subject:(FFT)

Delft University of Technology

1. Son, Changbum (author). Noise Modelling and Reduction of Permanet Magnet Motor in EV.

Degree: 2018, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:67325401-d045-4d2c-85e2-dd01a9f8642e

► This paper aimes to present noise reduction methodology considering switching effect. For noise analysis, Nissan LEAF motor is benchmarked and the motor is simulated in… (more)

Subjects/Keywords: FFT; Harmonics

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APA (6^th Edition):

Son, C. (. (2018). Noise Modelling and Reduction of Permanet Magnet Motor in EV. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:67325401-d045-4d2c-85e2-dd01a9f8642e

Chicago Manual of Style (16^th Edition):

Son, Changbum (author). “Noise Modelling and Reduction of Permanet Magnet Motor in EV.” 2018. Masters Thesis, Delft University of Technology. Accessed January 22, 2021. http://resolver.tudelft.nl/uuid:67325401-d045-4d2c-85e2-dd01a9f8642e.

MLA Handbook (7^th Edition):

Son, Changbum (author). “Noise Modelling and Reduction of Permanet Magnet Motor in EV.” 2018. Web. 22 Jan 2021.

Vancouver:

Son C(. Noise Modelling and Reduction of Permanet Magnet Motor in EV. [Internet] [Masters thesis]. Delft University of Technology; 2018. [cited 2021 Jan 22]. Available from: http://resolver.tudelft.nl/uuid:67325401-d045-4d2c-85e2-dd01a9f8642e.

Council of Science Editors:

Son C(. Noise Modelling and Reduction of Permanet Magnet Motor in EV. [Masters Thesis]. Delft University of Technology; 2018. Available from: http://resolver.tudelft.nl/uuid:67325401-d045-4d2c-85e2-dd01a9f8642e

NSYSU

2. Hsu, Tang-Chia. Field observation and analysis of the growth and decay of Typhoon induced swell and wind-waves at southwest coastal Taiwan.

Degree: Master, Physical Oceanography, 2007, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0213107-151226

► During the typhoon season, the coastal Taiwan often receives swells follow by wind waves. The routes of typhoon and the geographic effects complicate the wave… (more)

Subjects/Keywords: HHT; FFT

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APA (6^th Edition):

Hsu, T. (2007). Field observation and analysis of the growth and decay of Typhoon induced swell and wind-waves at southwest coastal Taiwan. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0213107-151226

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hsu, Tang-Chia. “Field observation and analysis of the growth and decay of Typhoon induced swell and wind-waves at southwest coastal Taiwan.” 2007. Thesis, NSYSU. Accessed January 22, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0213107-151226.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hsu, Tang-Chia. “Field observation and analysis of the growth and decay of Typhoon induced swell and wind-waves at southwest coastal Taiwan.” 2007. Web. 22 Jan 2021.

Vancouver:

Hsu T. Field observation and analysis of the growth and decay of Typhoon induced swell and wind-waves at southwest coastal Taiwan. [Internet] [Thesis]. NSYSU; 2007. [cited 2021 Jan 22]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0213107-151226.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hsu T. Field observation and analysis of the growth and decay of Typhoon induced swell and wind-waves at southwest coastal Taiwan. [Thesis]. NSYSU; 2007. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0213107-151226

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Mississippi State University

3. Tari, Vahid. Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin.

Degree: PhD, Computational Engineering, 2015, Mississippi State University

URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;

► The aim of this PhD thesis is to incorporate deformation twinning in a full-field viscoplastic crystal plasticity model based on fast Fourier transform in… (more)

▼ The aim of this PhD thesis is to incorporate deformation twinning in a full-field viscoplastic crystal plasticity model based on fast Fourier transform in an effort to gain insights into its role on strain localization. This work is motivated by current experimental evidences on the important role that dislocation reactions at the twin interface play on damage initiation in materials during plastic deformation. We began first by investigating the role of slip on stress localization. To this end, we simulated the effect of macroscopic deformation path, which dictates a macroscopic stress state, as well as pre-existing microstructure in typical ferritic steel, where plastic deformation is accommodated by slip mechanism. The results show that the width of localized strain rate regions near grain boundaries is a function of the deformation path, and there is a positive correlation between local Taylor factor and local stress field, which slightly depends on deformation path. For the incorporation of mechanical twinning in twinning-induced plasticity (TWIP) steel, we implemented predominant reorientation scheme (PTR) in vpFFT, which was implemented previously in the mean field VPSC. The comparison between experimental and simulation results indicates that twin volume fraction, final texture, and stress-strain curve were satisfactorily predicted. Despite that predominant twin reorientation scheme was not suitable to capture lamellar shape of twins in the microstructure, twin domains were predicted to form and grow at or close to grain boundary regions. Finally, we surveyed current literature, which aimed at capturing the characteristic lamellar morphology of twins. Literature review shows several unsuccessful crystal plasticity simulations in capturing twin nucleation and twin lamellar shape at measocale. These inabilities can be attributed to i) twin nucleation that is controlled by local atomistic configurations and stress fluctuations at the grain boundaries, and ii) the random or stochastic nature of twin nucleation, which has been proved by EBSD observation. Based on the EBSD observations, twin nucleation depends on both microstructural (e.g, grain size, dislocation density) and loading conditions ( e.g, stress, strain). Furthermore, the propensity, frequency, and morphology of deformation twins are different among grain with the same orientation and applied boundary conditions. Advisors/Committee Members: Haitham El Kadiri (chair).

Subjects/Keywords: Crystal plasticity; FFT; mesoscale

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APA (6^th Edition):

Tari, V. (2015). Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin. (Doctoral Dissertation). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;

Chicago Manual of Style (16^th Edition):

Tari, Vahid. “Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin.” 2015. Doctoral Dissertation, Mississippi State University. Accessed January 22, 2021. http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;.

MLA Handbook (7^th Edition):

Tari, Vahid. “Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin.” 2015. Web. 22 Jan 2021.

Vancouver:

Tari V. Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin. [Internet] [Doctoral dissertation]. Mississippi State University; 2015. [cited 2021 Jan 22]. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;.

Council of Science Editors:

Tari V. Mesoscale full field modeling of stress localization in polycrystalline materials deforming by both slip and twin. [Doctoral Dissertation]. Mississippi State University; 2015. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-06082015-121659/ ;

University of Ghana

4. Essel, J.K. Head Tilt Classification Using FFT-PCA/SVM Algorithm .

Degree: 2018, University of Ghana

URL: http://ugspace.ug.edu.gh/handle/123456789/30025

► The complexity of a face’s components originates from the constant variations in the facial component that occur with respect to time. Notwithstanding these variations, humans… (more)

Subjects/Keywords: Algorithm; FFT-PCA/SVM

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APA (6^th Edition):

Essel, J. K. (2018). Head Tilt Classification Using FFT-PCA/SVM Algorithm . (Masters Thesis). University of Ghana. Retrieved from http://ugspace.ug.edu.gh/handle/123456789/30025

Chicago Manual of Style (16^th Edition):

Essel, J K. “Head Tilt Classification Using FFT-PCA/SVM Algorithm .” 2018. Masters Thesis, University of Ghana. Accessed January 22, 2021. http://ugspace.ug.edu.gh/handle/123456789/30025.

MLA Handbook (7^th Edition):

Essel, J K. “Head Tilt Classification Using FFT-PCA/SVM Algorithm .” 2018. Web. 22 Jan 2021.

Vancouver:

Essel JK. Head Tilt Classification Using FFT-PCA/SVM Algorithm . [Internet] [Masters thesis]. University of Ghana; 2018. [cited 2021 Jan 22]. Available from: http://ugspace.ug.edu.gh/handle/123456789/30025.

Council of Science Editors:

Essel JK. Head Tilt Classification Using FFT-PCA/SVM Algorithm . [Masters Thesis]. University of Ghana; 2018. Available from: http://ugspace.ug.edu.gh/handle/123456789/30025

5. Eriksson, Mattias. Design and Implementation of a Real-Time FFT-core for Frequency Domain Triggering.

Degree: The Institute of Technology, 2013, Linköping UniversityLinköping University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-99374

► To efficiently capture signal events when performing analog measurements, a competent toolbox is required. In this master thesis, a system for frequency domain triggering… (more)

Subjects/Keywords: FFT; digitizer; FPGA; triggering

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APA (6^th Edition):

Eriksson, M. (2013). Design and Implementation of a Real-Time FFT-core for Frequency Domain Triggering. (Thesis). Linköping UniversityLinköping University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-99374

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Eriksson, Mattias. “Design and Implementation of a Real-Time FFT-core for Frequency Domain Triggering.” 2013. Thesis, Linköping UniversityLinköping University. Accessed January 22, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-99374.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Eriksson, Mattias. “Design and Implementation of a Real-Time FFT-core for Frequency Domain Triggering.” 2013. Web. 22 Jan 2021.

Vancouver:

Eriksson M. Design and Implementation of a Real-Time FFT-core for Frequency Domain Triggering. [Internet] [Thesis]. Linköping UniversityLinköping University; 2013. [cited 2021 Jan 22]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-99374.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Eriksson M. Design and Implementation of a Real-Time FFT-core for Frequency Domain Triggering. [Thesis]. Linköping UniversityLinköping University; 2013. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-99374

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

6. Lindh, Fredrik; Wennerström, Jessica. Electronic Design Optimization of Vibration Monitor Instrument.

Degree: Design and Engineering, 2012, Mälardalen University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-17488

► Vibrations in machines increase friction on moving parts which cause chafing that will tear down the fabric of the machine components when given time,… (more)

Subjects/Keywords: vibration analysis; FPGA; FIR; FFT

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APA (6^th Edition):

Lindh, Fredrik; Wennerström, J. (2012). Electronic Design Optimization of Vibration Monitor Instrument. (Thesis). Mälardalen University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-17488

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lindh, Fredrik; Wennerström, Jessica. “Electronic Design Optimization of Vibration Monitor Instrument.” 2012. Thesis, Mälardalen University. Accessed January 22, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-17488.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lindh, Fredrik; Wennerström, Jessica. “Electronic Design Optimization of Vibration Monitor Instrument.” 2012. Web. 22 Jan 2021.

Vancouver:

Lindh, Fredrik; Wennerström J. Electronic Design Optimization of Vibration Monitor Instrument. [Internet] [Thesis]. Mälardalen University; 2012. [cited 2021 Jan 22]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-17488.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lindh, Fredrik; Wennerström J. Electronic Design Optimization of Vibration Monitor Instrument. [Thesis]. Mälardalen University; 2012. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-17488

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Waikato

7. Blake, Anthony Martin. Computing the fast Fourier transform on SIMD microprocessors .

Degree: 2012, University of Waikato

URL: http://hdl.handle.net/10289/6417

► This thesis describes how to compute the fast Fourier transform (FFT) of a power-of-two length signal on single-instruction, multiple-data (SIMD) microprocessors faster than or very… (more)

Subjects/Keywords: Fourier transform; FFT; DFT

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APA (6^th Edition):

Blake, A. M. (2012). Computing the fast Fourier transform on SIMD microprocessors . (Doctoral Dissertation). University of Waikato. Retrieved from http://hdl.handle.net/10289/6417

Chicago Manual of Style (16^th Edition):

Blake, Anthony Martin. “Computing the fast Fourier transform on SIMD microprocessors .” 2012. Doctoral Dissertation, University of Waikato. Accessed January 22, 2021. http://hdl.handle.net/10289/6417.

MLA Handbook (7^th Edition):

Blake, Anthony Martin. “Computing the fast Fourier transform on SIMD microprocessors .” 2012. Web. 22 Jan 2021.

Vancouver:

Blake AM. Computing the fast Fourier transform on SIMD microprocessors . [Internet] [Doctoral dissertation]. University of Waikato; 2012. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/10289/6417.

Council of Science Editors:

Blake AM. Computing the fast Fourier transform on SIMD microprocessors . [Doctoral Dissertation]. University of Waikato; 2012. Available from: http://hdl.handle.net/10289/6417

8. Santos, Daniela Silveira dos. Desenvolvimento de um software para aquisição e tratamento de sinais eletromiográficos: implementação e resultados.

Degree: Mestrado, Física Aplicada, 2004, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/76/76132/tde-09042014-113921/ ;

►

A partir do espectro de freqüência do sinal eletromiográfico pode-se calcular a freqüência mediana, a freqüência média e a moda da freqüência, podendo se avaliar… (more)

▼

A partir do espectro de freqüência do sinal eletromiográfico pode-se calcular a freqüência mediana, a freqüência média e a moda da freqüência, podendo se avaliar a fadiga muscular de um indivíduo. Atualmente as análises miográficas, do Depto de Fisioterapia da UNESP - Presidente Prudente, a coleta das medidas e a análise dos resultados são feitas em sistemas separados, isto é, há um sistema para aquisição dos sinais miográficos e outro para análise dos dados, em computadores diferentes. Isto causa problemas pois o indivíduo é submetido ao exercício e somente depois do exercício concluído o sinal é analisado. Com a intenção de melhorar a análise dos sinais miográficos foi desenvolvido um programa computacional no qual os cálculos de FFT e o tratamento do sinal são feitos simultaneamente a aquisição, isto é, em tempo real. A grande vantagem é a possibilidade de se corrigir possíveis erros durante a aquisição devidos a eletrodos mal posicionados, ruídos, evitar o cansaço excessivo do paciente ou até detectar um possível processo de lesão musculara antes que este ocorra. O aplicativo foi implementado em linguagem Visual Basic e rotinas do Matlab, encontra-se em funcionamento e os resultados práticos são discutidos neste trabalho.

From the frequency spectrum of a electromiographic signal the frequency mediana, the mean frequency and the frequency modal can be calculated. Using such parameters the muscular fading of a patient can be evaluated, for instance, using the FFT procedure. In the Phisiotherapy Department of Unesp at Presidente Prudente, experimental data are collected and analyzed using two separated systems. The data corresponding to the electro miographic signal are measured in the first step and then transferred and analyzed in another computer. This procedure is not straightforward since the patient is submitted to a given exercise and only after finishing it the data could be analyzed. Aiming to improve the analysis of the electromiographic signals a software was developed allowing the FFT calculations and the signal analysis to be performed during the data acquisition. The advantage is the possibility to adjust and correct the experimental procedure during the acquisition. Effects of electrodes malpositioning on the patient, electrical noise and excessive fatigue of the patient or even it is possible to detect a muscular lesion during the exercise. The software was developed in the Visual Basic language and using Matlab routines, it is now running and practical results are discussed in this work.

Advisors/Committee Members: Giacometti, José Alberto.

Subjects/Keywords: Electromyography; Eletromiografia; FFT; FFT

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APA (6^th Edition):

Santos, D. S. d. (2004). Desenvolvimento de um software para aquisição e tratamento de sinais eletromiográficos: implementação e resultados. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/76/76132/tde-09042014-113921/ ;

Chicago Manual of Style (16^th Edition):

Santos, Daniela Silveira dos. “Desenvolvimento de um software para aquisição e tratamento de sinais eletromiográficos: implementação e resultados.” 2004. Masters Thesis, University of São Paulo. Accessed January 22, 2021. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-09042014-113921/ ;.

MLA Handbook (7^th Edition):

Santos, Daniela Silveira dos. “Desenvolvimento de um software para aquisição e tratamento de sinais eletromiográficos: implementação e resultados.” 2004. Web. 22 Jan 2021.

Vancouver:

Santos DSd. Desenvolvimento de um software para aquisição e tratamento de sinais eletromiográficos: implementação e resultados. [Internet] [Masters thesis]. University of São Paulo; 2004. [cited 2021 Jan 22]. Available from: http://www.teses.usp.br/teses/disponiveis/76/76132/tde-09042014-113921/ ;.

Council of Science Editors:

Santos DSd. Desenvolvimento de um software para aquisição e tratamento de sinais eletromiográficos: implementação e resultados. [Masters Thesis]. University of São Paulo; 2004. Available from: http://www.teses.usp.br/teses/disponiveis/76/76132/tde-09042014-113921/ ;

9. Shin, Hundo. Channelization Techniques For Wideband Radios.

Degree: PhD, Electrical Engineering, 2017, University of Minnesota

URL: http://hdl.handle.net/11299/188888

► From the very start of mobile communications, wireless data traffic volume and the number of applications have increased continuously and this continued increase will eventually… (more)

▼ From the very start of mobile communications, wireless data traffic volume and the number of applications have increased continuously and this continued increase will eventually necessitate the use of wider signal bandwidths by the fundamental constraints imposed by Shannon’s theorem. Additionally, the air channel is a common limited resource that is shared by all users and applications. While this limited wireless resource has mostly been pre-allocated, the utilization at any given time is often very low. For this environment, cognitive radio and carrier aggregation are potential solutions. Both cognitive radio and carrier aggregation require the processing of wideband signals unlike what is normally the focus of conventional narrow band receivers. This, in turn, makes it necessary to design receivers with a large BW and high dynamic range, and these conflicting requirements typically form the bottleneck in existing systems. Here, we discuss channelization techniques using an analog FFT (fast Fourier transform) to solve the bottleneck. First, a fully integrated hybrid filter bank ADC using an analog FFT is presented. The proposed structure enables the signals in each channel of a wideband system to be separately digitized using the full dynamic range of the ADC, so the small signals in wideband can benefit in terms of lowered quantization noise while accommodating large in-band signals. The prototype which is implemented in TSMC’s 40nm CMOS GP process with VGA gains ranging from 1 to 4 shows 90.4mW total power consumption for both the analog and digital sections. Second, analog polyphase-FFT technique is introduced. Polyphase-FFT allows for low power implementations of high performance multi-channel filter banks by utilizing computation sharing not unlike a standard FFT. Additionally, it enables a longer “effective window length” than is possible in a standard FFT. This characteristic breaks the trade-off between the main-lobe width and the side-lobe amplitudes in normal finite impulse response (FIR) filters. The 4-channel I/Q prototype is implemented in TSMC’s 65nm GP technology. The measured trans- fer function shows >38dB side-lobe suppression at 1GS/s operation. The average measured IIP3 is +25dBm differential power and the total integrated output noise is 208µVrms. The total power consumption for the polyphase-FFT filter bank (8- channels total) is 34.6mW (34.6pJ/conv).

Subjects/Keywords: analog FFT; analog polyphase FFT; Channelization; wideband signal

15 more images…

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APA (6^th Edition):

Shin, H. (2017). Channelization Techniques For Wideband Radios. (Doctoral Dissertation). University of Minnesota. Retrieved from http://hdl.handle.net/11299/188888

Chicago Manual of Style (16^th Edition):

Shin, Hundo. “Channelization Techniques For Wideband Radios.” 2017. Doctoral Dissertation, University of Minnesota. Accessed January 22, 2021. http://hdl.handle.net/11299/188888.

MLA Handbook (7^th Edition):

Shin, Hundo. “Channelization Techniques For Wideband Radios.” 2017. Web. 22 Jan 2021.

Vancouver:

Shin H. Channelization Techniques For Wideband Radios. [Internet] [Doctoral dissertation]. University of Minnesota; 2017. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/11299/188888.

Council of Science Editors:

Shin H. Channelization Techniques For Wideband Radios. [Doctoral Dissertation]. University of Minnesota; 2017. Available from: http://hdl.handle.net/11299/188888

NSYSU

10. Lee, Tien-Lung. The Calculation for Harmonic Parameters based on FFT.

Degree: Master, Electrical Engineering, 2000, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0627100-144451

► In the region of the harmonic parameter analysis, we often use the Fast Fourier Transform (FFT) to get the character of the signal, but due… (more)

Subjects/Keywords: FFT; Harmonic Parameters

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APA (6^th Edition):

Lee, T. (2000). The Calculation for Harmonic Parameters based on FFT. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0627100-144451

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lee, Tien-Lung. “The Calculation for Harmonic Parameters based on FFT.” 2000. Thesis, NSYSU. Accessed January 22, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0627100-144451.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lee, Tien-Lung. “The Calculation for Harmonic Parameters based on FFT.” 2000. Web. 22 Jan 2021.

Vancouver:

Lee T. The Calculation for Harmonic Parameters based on FFT. [Internet] [Thesis]. NSYSU; 2000. [cited 2021 Jan 22]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0627100-144451.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lee T. The Calculation for Harmonic Parameters based on FFT. [Thesis]. NSYSU; 2000. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0627100-144451

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

NSYSU

11. Tsai, Da-wei. Edge Wave Analysis around Taiwan during Chilean and Eastern Japan Tsunami.

Degree: Master, Institute of Undersea Technology, 2014, NSYSU

URL: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804114-163959

► Chilean earthquake occurred on 27 Feb. 2010 with magnitude 8.8 Mw. On 11 March, 2011 another strong earthquake occurred in northeastern Japan with magnitude 9.1… (more)

Subjects/Keywords: numerical models; HHT; edge wave; FFT; tsunami

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APA (6^th Edition):

Tsai, D. (2014). Edge Wave Analysis around Taiwan during Chilean and Eastern Japan Tsunami. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804114-163959

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Tsai, Da-wei. “Edge Wave Analysis around Taiwan during Chilean and Eastern Japan Tsunami.” 2014. Thesis, NSYSU. Accessed January 22, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804114-163959.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Tsai, Da-wei. “Edge Wave Analysis around Taiwan during Chilean and Eastern Japan Tsunami.” 2014. Web. 22 Jan 2021.

Vancouver:

Tsai D. Edge Wave Analysis around Taiwan during Chilean and Eastern Japan Tsunami. [Internet] [Thesis]. NSYSU; 2014. [cited 2021 Jan 22]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804114-163959.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Tsai D. Edge Wave Analysis around Taiwan during Chilean and Eastern Japan Tsunami. [Thesis]. NSYSU; 2014. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0804114-163959

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

12. Silva Junior, Gilson Jerônimo da. A Teoria da Complexidade Aritmética Aplicada à Otimização de Transformadas Lineares .

Degree: 2012, Universidade Federal de Pernambuco

URL: http://repositorio.ufpe.br/handle/123456789/11174

► Encontrar a forma mais e ciente de resolver um problema aritmético e desenvolver algoritmos cada vez melhores é uma grande preocupação dos cientistas, matemáticos e… (more)

Subjects/Keywords: Transformadas Rápidas; FFT; Complexidade Multiplicativa; Complexidade Aditiva

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APA (6^th Edition):

Silva Junior, G. J. d. (2012). A Teoria da Complexidade Aritmética Aplicada à Otimização de Transformadas Lineares . (Thesis). Universidade Federal de Pernambuco. Retrieved from http://repositorio.ufpe.br/handle/123456789/11174

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Silva Junior, Gilson Jerônimo da. “A Teoria da Complexidade Aritmética Aplicada à Otimização de Transformadas Lineares .” 2012. Thesis, Universidade Federal de Pernambuco. Accessed January 22, 2021. http://repositorio.ufpe.br/handle/123456789/11174.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Silva Junior, Gilson Jerônimo da. “A Teoria da Complexidade Aritmética Aplicada à Otimização de Transformadas Lineares .” 2012. Web. 22 Jan 2021.

Vancouver:

Silva Junior GJd. A Teoria da Complexidade Aritmética Aplicada à Otimização de Transformadas Lineares . [Internet] [Thesis]. Universidade Federal de Pernambuco; 2012. [cited 2021 Jan 22]. Available from: http://repositorio.ufpe.br/handle/123456789/11174.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Silva Junior GJd. A Teoria da Complexidade Aritmética Aplicada à Otimização de Transformadas Lineares . [Thesis]. Universidade Federal de Pernambuco; 2012. Available from: http://repositorio.ufpe.br/handle/123456789/11174

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

UCLA

13. Yu, Tsung-Han. Energy-Efficient VLSI Signal Processing for Wideband Spectrum Sensing in Cognitive Radios.

Degree: Electrical Engineering, 2013, UCLA

URL: http://www.escholarship.org/uc/item/3dc5f3dq

► With the rapid increases in the number of wireless devices, fixed spectrum allocation has shown to be a major limitation to the evolution of wireless… (more)

Subjects/Keywords: Engineering; cognitive radios; FFT; spectrum sensing; VLSI

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APA (6^th Edition):

Yu, T. (2013). Energy-Efficient VLSI Signal Processing for Wideband Spectrum Sensing in Cognitive Radios. (Thesis). UCLA. Retrieved from http://www.escholarship.org/uc/item/3dc5f3dq

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Yu, Tsung-Han. “Energy-Efficient VLSI Signal Processing for Wideband Spectrum Sensing in Cognitive Radios.” 2013. Thesis, UCLA. Accessed January 22, 2021. http://www.escholarship.org/uc/item/3dc5f3dq.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Yu, Tsung-Han. “Energy-Efficient VLSI Signal Processing for Wideband Spectrum Sensing in Cognitive Radios.” 2013. Web. 22 Jan 2021.

Vancouver:

Yu T. Energy-Efficient VLSI Signal Processing for Wideband Spectrum Sensing in Cognitive Radios. [Internet] [Thesis]. UCLA; 2013. [cited 2021 Jan 22]. Available from: http://www.escholarship.org/uc/item/3dc5f3dq.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Yu T. Energy-Efficient VLSI Signal Processing for Wideband Spectrum Sensing in Cognitive Radios. [Thesis]. UCLA; 2013. Available from: http://www.escholarship.org/uc/item/3dc5f3dq

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

UCLA

14. Hsiao, Frank. High Speed DSP Circuits and Systems for 60 GHz Wireless Communication.

Degree: Electrical Engineering, 2013, UCLA

URL: http://www.escholarship.org/uc/item/5z42835j

► The unlicensed 60 GHz band provides new opportunities for short ranged indoor Gb/s wireless communication applications. Compared with III-V semiconductor process technologies, nanometer CMOS based… (more)

Subjects/Keywords: Electrical engineering; 60 GHz; ddfs; equalizer; fft

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APA (6^th Edition):

Hsiao, F. (2013). High Speed DSP Circuits and Systems for 60 GHz Wireless Communication. (Thesis). UCLA. Retrieved from http://www.escholarship.org/uc/item/5z42835j

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hsiao, Frank. “High Speed DSP Circuits and Systems for 60 GHz Wireless Communication.” 2013. Thesis, UCLA. Accessed January 22, 2021. http://www.escholarship.org/uc/item/5z42835j.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hsiao, Frank. “High Speed DSP Circuits and Systems for 60 GHz Wireless Communication.” 2013. Web. 22 Jan 2021.

Vancouver:

Hsiao F. High Speed DSP Circuits and Systems for 60 GHz Wireless Communication. [Internet] [Thesis]. UCLA; 2013. [cited 2021 Jan 22]. Available from: http://www.escholarship.org/uc/item/5z42835j.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hsiao F. High Speed DSP Circuits and Systems for 60 GHz Wireless Communication. [Thesis]. UCLA; 2013. Available from: http://www.escholarship.org/uc/item/5z42835j

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

15. Ravach, Tashi Arthur. Performance analysis of OFDM technology on radio-over-fiber systems.

Degree: 2011, RCAAP

URL: http://www.rcaap.pt/detail.jsp?id=oai:sapientia.ualg.pt:10400.1/3125

►

Dissertação de mest., Engenharia Eletrónica e Telecomunicações, Faculdade de Ciências e Tecnologia, Univ. do Algarve, 2011

Nowadays, the demand for high speed, high quality and… (more)

▼

Dissertação de mest., Engenharia Eletrónica e Telecomunicações, Faculdade de Ciências e Tecnologia, Univ. do Algarve, 2011

Nowadays, the demand for high speed, high quality and diversity in distributed services presents a challenge for telecommunication technology. Wireless systems provide the accessibility to end-user, but are not the solution for long distance links. Currently, the ideal technology for long-range transmissions at high data rates is optical fiber. Hence, a new concept for high capacity networks emerges, with centralized services into Base Stations (BS) engineered to provide flexibility and control over the system, and to perform operations such as electrical to optical domain conversion and modulation. Such Radio-over-Fiber (RoF) networks also appear as an attractive technology because they are efficient and cost effective. Orthogonal Frequency Division Multiplexing (OFDM) technology is widely used in a number of standards. For instance, it is actually the Multi-Carrier Modulation (MCM) technique applied in 802.11a/g/n wireless standards and in Digital Video Broadcasting-Terrestrial (DVB-T), among other prevailing systems, which makes this subject one particularly pertinent to study. OFDM systems are an appealing choice for waveform modulation, as they are very bandwidth efficient comparing to others MCM, and provide flexibility in data transmission rates. Additionally, an important advantage dwells in its natural robustness against severely interfering environments. In this thesis, fundamentals on OFDM technology are extensively described, and its application to wireless and optical fiber networks is introduced. The combined channel effects of these technologies on OFDM signals are investigated. In terms of performance analysis, this exposition focuses on understanding the importance of OFDM modulation parameters, and explores some OFDM signal properties. To achieve this, a simulator was implemented with Matlab to create arbitrary OFDM waveforms and emulate channel effects. This study also investigates the efficiency of OFDM technology over a real Radio Frequency (RF) system with an ideal communication channel. Finally, an experimental RoF configuration is implemented and its performance is assessed.

Advisors/Committee Members: Medeiros, Maria Carmo.

Subjects/Keywords: OFDM; FFT; 802.11; RoF; EVM; Matlab

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APA (6^th Edition):

Ravach, T. A. (2011). Performance analysis of OFDM technology on radio-over-fiber systems. (Thesis). RCAAP. Retrieved from http://www.rcaap.pt/detail.jsp?id=oai:sapientia.ualg.pt:10400.1/3125

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ravach, Tashi Arthur. “Performance analysis of OFDM technology on radio-over-fiber systems.” 2011. Thesis, RCAAP. Accessed January 22, 2021. http://www.rcaap.pt/detail.jsp?id=oai:sapientia.ualg.pt:10400.1/3125.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ravach, Tashi Arthur. “Performance analysis of OFDM technology on radio-over-fiber systems.” 2011. Web. 22 Jan 2021.

Vancouver:

Ravach TA. Performance analysis of OFDM technology on radio-over-fiber systems. [Internet] [Thesis]. RCAAP; 2011. [cited 2021 Jan 22]. Available from: http://www.rcaap.pt/detail.jsp?id=oai:sapientia.ualg.pt:10400.1/3125.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ravach TA. Performance analysis of OFDM technology on radio-over-fiber systems. [Thesis]. RCAAP; 2011. Available from: http://www.rcaap.pt/detail.jsp?id=oai:sapientia.ualg.pt:10400.1/3125

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

16. -1801-637X. High-Performance Sparse Fourier Transform on Parallel Architectures.

Degree: PhD, Computer Science, 2016, University of Houston

URL: http://hdl.handle.net/10657/3269

► Fast Fourier Transform (FFT) is one of the most important numerical algorithms widely used in numerous scientific and engineering computations. With the emergence of big… (more)

▼ Fast Fourier Transform (FFT) is one of the most important numerical algorithms widely used in numerous scientific and engineering computations. With the emergence of big data problems, however, in which the size of the processed data can easily exceed terabytes, it is challenging to acquire, process and store a sufficient amount of data to compute the FFT in the first place. The recently developed it{sparse} FFT (sFFT) algorithm provides a solution to this problem. The sFFT can compute a compressed Fourier transform by using only a small subset of the input data, thus achieves significant performance improvement. Modern homogeneous and heterogeneous multicore and manycore architectures are now part of the mainstream computing scene and can offer impressive performance for many applications. The computations that arise in sFFT lend it naturally to efficient parallel implementations. In this dissertation, we present efficient parallel implementations of the sFFT algorithm on three state-of-the-art parallel architectures, namely multicore CPUs, GPUs and a heterogeneous multicore embedded system. While the increase in the number of cores and memory bandwidth on modern architectures provide an opportunity to improve the performance through sophisticated parallel algorithm design, the sFFT is inherently complex, and numerous challenges need to address to deliver the optimal performance. In this dissertation, various parallelization and performance optimization techniques are proposed and implemented. Our parallel sFFT is more than 5x and 20x faster than the sequential sFFT on multicore CPUs and GPUs, respectively. Compared to full-size FFT libraries, the parallel sFFT achieves more than 9x speedup on multicore CPUs and 12x speedup on GPUs for a broad range of signal spectra. Advisors/Committee Members: Chapman, Barbara M. (advisor), Gnawali, Omprakash (committee member), Shah, Shishir Kirit (committee member), Shi, Weidong (committee member), May, Elebeoba E. (committee member).

Subjects/Keywords: Sparse FFT; Parallel computing; Compressive Sensing; GPU

8 more images…

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APA (6^th Edition):

-1801-637X. (2016). High-Performance Sparse Fourier Transform on Parallel Architectures. (Doctoral Dissertation). University of Houston. Retrieved from http://hdl.handle.net/10657/3269

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Chicago Manual of Style (16^th Edition):

-1801-637X. “High-Performance Sparse Fourier Transform on Parallel Architectures.” 2016. Doctoral Dissertation, University of Houston. Accessed January 22, 2021. http://hdl.handle.net/10657/3269.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

MLA Handbook (7^th Edition):

-1801-637X. “High-Performance Sparse Fourier Transform on Parallel Architectures.” 2016. Web. 22 Jan 2021.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

-1801-637X. High-Performance Sparse Fourier Transform on Parallel Architectures. [Internet] [Doctoral dissertation]. University of Houston; 2016. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/10657/3269.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Council of Science Editors:

-1801-637X. High-Performance Sparse Fourier Transform on Parallel Architectures. [Doctoral Dissertation]. University of Houston; 2016. Available from: http://hdl.handle.net/10657/3269

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

17. Andersson, Rikard. FFT Hardware Architectures with Reduced Twiddle Factor Sets.

Degree: The Institute of Technology, 2013, Linköping UniversityLinköping University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108148

► The goal of this thesis has been to reduce the hardware cost of SDF FFTs. Inorder to achieve this, two methods for simplifying rotations… (more)

Subjects/Keywords: FFT; SDF

…1 2 2 Introduction to the FFT 2.1 The FFT Algorithm… …2.2 FFT Hardware Architectures . . . . . . . . . . . . . . . . . . . . . 2.2.1 The SDF… …Architecture . . . . . . . . . . . . . . . . . . . . . 3 3 7 8 3 Methods to Simplify FFT Rotations… …Methodology 4.3.1 64-point FFT . . . . . . . . . . . . . . . . 4.3.2 128-point FFT… …4.3.3 256-point FFT . . . . . . . . . . . . . . . 4.3.4 512-point FFT…

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APA (6^th Edition):

Andersson, R. (2013). FFT Hardware Architectures with Reduced Twiddle Factor Sets. (Thesis). Linköping UniversityLinköping University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108148

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Andersson, Rikard. “FFT Hardware Architectures with Reduced Twiddle Factor Sets.” 2013. Thesis, Linköping UniversityLinköping University. Accessed January 22, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108148.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Andersson, Rikard. “FFT Hardware Architectures with Reduced Twiddle Factor Sets.” 2013. Web. 22 Jan 2021.

Vancouver:

Andersson R. FFT Hardware Architectures with Reduced Twiddle Factor Sets. [Internet] [Thesis]. Linköping UniversityLinköping University; 2013. [cited 2021 Jan 22]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108148.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Andersson R. FFT Hardware Architectures with Reduced Twiddle Factor Sets. [Thesis]. Linköping UniversityLinköping University; 2013. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-108148

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

18. Holstensson, Oskar. Study of Interferer Canceling Systems in a Software Defined Radio Receiver.

Degree: The Institute of Technology, 2013, Linköping UniversityLinköping University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92757

► This thesis describes the work related to an interferer rejection system employing frequency analysis and cancellation through phase-opposed signal injection. The first device in… (more)

Subjects/Keywords: ASIC; FFT; Interferer Cancellation; RF; SDR; VHDL

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APA (6^th Edition):

Holstensson, O. (2013). Study of Interferer Canceling Systems in a Software Defined Radio Receiver. (Thesis). Linköping UniversityLinköping University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92757

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Holstensson, Oskar. “Study of Interferer Canceling Systems in a Software Defined Radio Receiver.” 2013. Thesis, Linköping UniversityLinköping University. Accessed January 22, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92757.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Holstensson, Oskar. “Study of Interferer Canceling Systems in a Software Defined Radio Receiver.” 2013. Web. 22 Jan 2021.

Vancouver:

Holstensson O. Study of Interferer Canceling Systems in a Software Defined Radio Receiver. [Internet] [Thesis]. Linköping UniversityLinköping University; 2013. [cited 2021 Jan 22]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92757.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Holstensson O. Study of Interferer Canceling Systems in a Software Defined Radio Receiver. [Thesis]. Linköping UniversityLinköping University; 2013. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92757

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Linköping University

19. Prasad, Boopal Padma. A Reconfigurable FFT Architecture for Variable Length and Multi-Streaming WiMax Wireless OFDM Standards.

Degree: Electronics System, 2011, Linköping University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72983

► This paper presents a reconfigurable FFT architecture for variable length andmultistreaming WiMax wireless standard. The architecture processes 1 streamof 2048-pt FFT, up to 2… (more)

Subjects/Keywords: FFT; FPGA; Reconfigurability; Wireless; OFDM; WiMax

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APA (6^th Edition):

Prasad, B. P. (2011). A Reconfigurable FFT Architecture for Variable Length and Multi-Streaming WiMax Wireless OFDM Standards. (Thesis). Linköping University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72983

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Prasad, Boopal Padma. “A Reconfigurable FFT Architecture for Variable Length and Multi-Streaming WiMax Wireless OFDM Standards.” 2011. Thesis, Linköping University. Accessed January 22, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72983.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Prasad, Boopal Padma. “A Reconfigurable FFT Architecture for Variable Length and Multi-Streaming WiMax Wireless OFDM Standards.” 2011. Web. 22 Jan 2021.

Vancouver:

Prasad BP. A Reconfigurable FFT Architecture for Variable Length and Multi-Streaming WiMax Wireless OFDM Standards. [Internet] [Thesis]. Linköping University; 2011. [cited 2021 Jan 22]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72983.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Prasad BP. A Reconfigurable FFT Architecture for Variable Length and Multi-Streaming WiMax Wireless OFDM Standards. [Thesis]. Linköping University; 2011. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72983

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of New Mexico

20. Briggs, Matthew. Improving Mobile SOC's Performance as an Energy Efficient DSP Platform with Heterogeneous Computing.

Degree: Electrical and Computer Engineering, 2015, University of New Mexico

URL: http://hdl.handle.net/1928/25733

► Mobile system-on-chip (SOC) technology is improving at a staggering rate spurred primarily by the adoption of smartphones and tablets. This rapid innovation has allowed the… (more)

Subjects/Keywords: SOC; Android; Renderscript; DFT; FFT; Power

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APA (6^th Edition):

Briggs, M. (2015). Improving Mobile SOC's Performance as an Energy Efficient DSP Platform with Heterogeneous Computing. (Masters Thesis). University of New Mexico. Retrieved from http://hdl.handle.net/1928/25733

Chicago Manual of Style (16^th Edition):

Briggs, Matthew. “Improving Mobile SOC's Performance as an Energy Efficient DSP Platform with Heterogeneous Computing.” 2015. Masters Thesis, University of New Mexico. Accessed January 22, 2021. http://hdl.handle.net/1928/25733.

MLA Handbook (7^th Edition):

Briggs, Matthew. “Improving Mobile SOC's Performance as an Energy Efficient DSP Platform with Heterogeneous Computing.” 2015. Web. 22 Jan 2021.

Vancouver:

Briggs M. Improving Mobile SOC's Performance as an Energy Efficient DSP Platform with Heterogeneous Computing. [Internet] [Masters thesis]. University of New Mexico; 2015. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/1928/25733.

Council of Science Editors:

Briggs M. Improving Mobile SOC's Performance as an Energy Efficient DSP Platform with Heterogeneous Computing. [Masters Thesis]. University of New Mexico; 2015. Available from: http://hdl.handle.net/1928/25733

21. Kopecká Nikol. Využití rychlé Fourierovy transformace při diagnostice Alzheimerovy choroby z EEG .

Degree: 2014, Czech University of Technology

URL: http://hdl.handle.net/10467/24202

► Cílem této práce byla diagnostika Alzheimerovy choroby na základě EEG signálu pacientů. Neinvazivní charakter a jednoduchost EEG by umožnilo snadné vyšetření rizikových skupin obyvatelstva. Včasná… (more)

Subjects/Keywords: Alzheimerova choroba; analýza EEG; FFT; Cepstrum

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APA (6^th Edition):

Nikol, K. (2014). Využití rychlé Fourierovy transformace při diagnostice Alzheimerovy choroby z EEG . (Thesis). Czech University of Technology. Retrieved from http://hdl.handle.net/10467/24202

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Nikol, Kopecká. “Využití rychlé Fourierovy transformace při diagnostice Alzheimerovy choroby z EEG .” 2014. Thesis, Czech University of Technology. Accessed January 22, 2021. http://hdl.handle.net/10467/24202.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Nikol, Kopecká. “Využití rychlé Fourierovy transformace při diagnostice Alzheimerovy choroby z EEG .” 2014. Web. 22 Jan 2021.

Vancouver:

Nikol K. Využití rychlé Fourierovy transformace při diagnostice Alzheimerovy choroby z EEG . [Internet] [Thesis]. Czech University of Technology; 2014. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/10467/24202.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Nikol K. Využití rychlé Fourierovy transformace při diagnostice Alzheimerovy choroby z EEG . [Thesis]. Czech University of Technology; 2014. Available from: http://hdl.handle.net/10467/24202

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of North Texas

22. Tompkins, Nicholas William. Design of a Machine Condition Monitoring System with Bluetooth Low Energy.

Degree: 2017, University of North Texas

URL: https://digital.library.unt.edu/ark:/67531/metadc984239/

This thesis discusses the design considerations for a machine conditioning sensor utilizing Bluetooth low energy (BLE). Advisors/Committee Members: Li, Xinrong, Acevedo, Miguel F., Fu, Shegli.

Subjects/Keywords: BLE; FFT; Analog Sensor; MCU; Vibration; IoT

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APA (6^th Edition):

Tompkins, N. W. (2017). Design of a Machine Condition Monitoring System with Bluetooth Low Energy. (Thesis). University of North Texas. Retrieved from https://digital.library.unt.edu/ark:/67531/metadc984239/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Tompkins, Nicholas William. “Design of a Machine Condition Monitoring System with Bluetooth Low Energy.” 2017. Thesis, University of North Texas. Accessed January 22, 2021. https://digital.library.unt.edu/ark:/67531/metadc984239/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Tompkins, Nicholas William. “Design of a Machine Condition Monitoring System with Bluetooth Low Energy.” 2017. Web. 22 Jan 2021.

Vancouver:

Tompkins NW. Design of a Machine Condition Monitoring System with Bluetooth Low Energy. [Internet] [Thesis]. University of North Texas; 2017. [cited 2021 Jan 22]. Available from: https://digital.library.unt.edu/ark:/67531/metadc984239/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Tompkins NW. Design of a Machine Condition Monitoring System with Bluetooth Low Energy. [Thesis]. University of North Texas; 2017. Available from: https://digital.library.unt.edu/ark:/67531/metadc984239/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

23. Bergach, Mohamed Amine. Adaptation du calcul de la Transformée de Fourier Rapide sur une architecture mixte CPU/GPU intégrée : Adaptation of the Fast Fourier Transform processing on hybride integrated CPU/GPU architecture.

Degree: Docteur es, Informatique, 2015, Nice

URL: http://www.theses.fr/2015NICE4060

►

Les architectures multi-cœurs Intel Core (IvyBridge, Haswell,...) contiennent à la fois des cœurs CPU généralistes (4), mais aussi des cœurs dédiés GPU embarqués sur cette… (more)

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Les architectures multi-cœurs Intel Core (IvyBridge, Haswell,...) contiennent à la fois des cœurs CPU généralistes (4), mais aussi des cœurs dédiés GPU embarqués sur cette même puce (16 et 40 respectivement). Dans le cadre de l'activité de la société Kontron (qui participe à ce financement de nature CIFRE) un objectif important est de calculer efficacement sur cette architecture des tableaux et séquences de transformées de Fourier rapides (FFT), comme par exemple on en trouve dans des applications radar. Alors que des bibliothèques natives (mais propriétaires) existent chez Intel pour les CPU, rien de tel n'est actuellement disponible pour la partie GPU. L'objectif de la thèse était donc de définir le placement efficace de modules FFT, en étudiant au niveau théorique la forme optimale permettant de regrouper des étages de calcul d'une telle FFT en fonction de la localité des données sur un cœur de calcul unique. Ce choix a priori permet d'espérer une efficacité des traitements, en ajustant la taille de la mémoire disponible à celles des données nécessaires. Ensuite la multiplicité des cœurs reste exploitable pour disposer plusieurs FFT calculées en parallèle, sans interférence (sauf contention du bus entre CPU et GPU). Nous avons obtenu des résultats significatifs, tant au niveau de l'implantation d'une FFT (1024 points) sur un cœur CPU SIMD, exprimée en langage C, que pour l'implantation d'une FFT de même taille sur un cœur GPU SIMT, exprimée alors en OpenCL. De plus nos résultats permettent de définir des règles pour synthétiser automatiquement de telles solutions, en fonction uniquement de la taille de la FFT son nombre d'étages plus précisément), et de la taille de la mémoire locale pour un coeur de calcul donné. Les performances obtenues sont supérieures à celles de la bibliothèque native Intel pour CPU), et démontrent un gain important de consommation sur GPU. Tous ces points sont détaillés dans le document de thèse. Ces résultats devraient donner lieu à exploitation au sein de la société Kontron.

Multicore architectures Intel Core (IvyBridge, Haswell…) contain both general purpose CPU cores (4) and dedicated GPU cores embedded on the same chip (16 and 40 respectively). As part of the activity of Kontron (the company partially funding this CIFRE scholarship), an important objective is to efficiently compute arrays and sequences of fast Fourier transforms (FFT) such as one finds in radar applications, on this architecture. While native (but proprietary) libraries exist for Intel CPU, nothing is currently available for the GPU part.The aim of the thesis was to define the efficient placement of FFT modules, and to study theoretically the optimal form for grouping computing stages of such FFT according to data locality on a single computing core. This choice should allow processing efficiency, by adjusting the memory size available to the required application data size. Then the multiplicity of cores is exploitable to compute several FFT in parallel, without interference (except for possible bus contention…

Advisors/Committee Members: Simone, Robert de (thesis director).

Subjects/Keywords: FFT; OpenCL; GPGPU; CPU; SIMD; SIMT; AAA; FFT; OpenCL; GPGPU; CPU; SIMD; SIMT; AAA

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bergach, M. A. (2015). Adaptation du calcul de la Transformée de Fourier Rapide sur une architecture mixte CPU/GPU intégrée : Adaptation of the Fast Fourier Transform processing on hybride integrated CPU/GPU architecture. (Doctoral Dissertation). Nice. Retrieved from http://www.theses.fr/2015NICE4060

Chicago Manual of Style (16^th Edition):

Bergach, Mohamed Amine. “Adaptation du calcul de la Transformée de Fourier Rapide sur une architecture mixte CPU/GPU intégrée : Adaptation of the Fast Fourier Transform processing on hybride integrated CPU/GPU architecture.” 2015. Doctoral Dissertation, Nice. Accessed January 22, 2021. http://www.theses.fr/2015NICE4060.

MLA Handbook (7^th Edition):

Bergach, Mohamed Amine. “Adaptation du calcul de la Transformée de Fourier Rapide sur une architecture mixte CPU/GPU intégrée : Adaptation of the Fast Fourier Transform processing on hybride integrated CPU/GPU architecture.” 2015. Web. 22 Jan 2021.

Vancouver:

Bergach MA. Adaptation du calcul de la Transformée de Fourier Rapide sur une architecture mixte CPU/GPU intégrée : Adaptation of the Fast Fourier Transform processing on hybride integrated CPU/GPU architecture. [Internet] [Doctoral dissertation]. Nice; 2015. [cited 2021 Jan 22]. Available from: http://www.theses.fr/2015NICE4060.

Council of Science Editors:

Bergach MA. Adaptation du calcul de la Transformée de Fourier Rapide sur une architecture mixte CPU/GPU intégrée : Adaptation of the Fast Fourier Transform processing on hybride integrated CPU/GPU architecture. [Doctoral Dissertation]. Nice; 2015. Available from: http://www.theses.fr/2015NICE4060

Université de Grenoble

24. Jazzar, Ali. Modélisation électromagnétique d'un choc de foudre en aéronautique : Electromagnetic Modeling of lightning for aircraft applications.

Degree: Docteur es, Sciences et technologie industrielles, 2012, Université de Grenoble

URL: http://www.theses.fr/2012GRENT077

►

Dans une vision de transports plus économiques, l’apport des matériaux composites est une solution technologique importante pour l'industrie aéronautique, même si cela ouvre de nouvelles… (more)

▼

Dans une vision de transports plus économiques, l’apport des matériaux composites est une solution technologique importante pour l'industrie aéronautique, même si cela ouvre de nouvelles questions de compatibilité électromagnétique sur l’ensemble du système et nécessite l’utilisation d’outils de simulation adaptés. Cette thèse présente l’évaluation de cette mutation technologique vis-à-vis de la problématique foudre. Les méthodes conventionnellement utiliséesdans le cadre de la modélisation électromagnétique en 3D des effets indirects de foudre sur les aéronefs s’avèrent limitées car la prise en compte de toutes les particularités géométriques ouphysiques des dispositifs étudiés est difficile. Dans le cadre du Projet PREFACE (PRojet d’ÉtudeFoudre sur Avion Composite plus Électrique), ces travaux de thèse proposent d’évaluer desméthodes de modélisation non conventionnelles dans le domaine de l’aéronautique et enparticulier la méthode intégrale de recherche de schémas électriques équivalents localisés (PEEC).Une maquette composite de type caisson a été conçue et réalisée afin de représenter la structureminimale d’une section de fuselage, incluant du câblage intérieur. Des mesures ont été effectuéespour étudier et évaluer les mécanismes de couplages électromagnétiques entre les structurescomposites et les dispositifs internes après injection d’un courant, en particulier dans le cadre dela problématique de l’agression foudre. Une comparaison avec des modélisations PEEC (codeInCa3D) dans différentes configurations a permis avec succès de comprendre les phénomènesphysiques mis en jeu. Les avantages de cette approche apparaissent très nettement quand il s’agitde prendre en compte les différents paramètres dimensionnant pour déterminer la répartition descourants sur la structure et sur les câbles connectés à l’intérieur. Ceci permet de formuler desrègles générales de conception des protections des équipements internes qui peuvent êtreappliquées sur les avions à moindre coût.

For economic reasons, the use of composite materials seems to be a valuable solution foraeronautic industries, even if their efficiency concerning the electromagnetic compatibility of on-board systems requires some studies. For that, the use of adapted simulations tools isunavoidable. This thesis presents the evaluation of this technological mutation towards lightningissue. The methods conventionally used in the context of 3D electromagnetic modeling oflightning’s indirect effects on aircrafts prove to be restricted because it is difficult to take intoaccount all geometric or physical particularities of devices. In the framework of the PREFACEproject (a national project devoted to the study of Lightning Indirect Effects (LIE) on moreelectric and composite aircrafts), this thesis proposes to evaluate unconventional modellingmethods in aeronautics, in particular, the integral method PEEC (Partial Element EquivalentCircuit). A composite model like caisson has been designed and constructed to represent theminimal structure of fuselage section, including…

Advisors/Committee Members: Clavel, Edith (thesis director), Meunier, Gérard (thesis director).

Subjects/Keywords: Modélisation PEEC; Modélisation Foudre; Mesures fréquentielles; FFT; PEEC Modelling; Lightning modelling; Harmonics measures; FFT

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Jazzar, A. (2012). Modélisation électromagnétique d'un choc de foudre en aéronautique : Electromagnetic Modeling of lightning for aircraft applications. (Doctoral Dissertation). Université de Grenoble. Retrieved from http://www.theses.fr/2012GRENT077

Chicago Manual of Style (16^th Edition):

Jazzar, Ali. “Modélisation électromagnétique d'un choc de foudre en aéronautique : Electromagnetic Modeling of lightning for aircraft applications.” 2012. Doctoral Dissertation, Université de Grenoble. Accessed January 22, 2021. http://www.theses.fr/2012GRENT077.

MLA Handbook (7^th Edition):

Jazzar, Ali. “Modélisation électromagnétique d'un choc de foudre en aéronautique : Electromagnetic Modeling of lightning for aircraft applications.” 2012. Web. 22 Jan 2021.

Vancouver:

Jazzar A. Modélisation électromagnétique d'un choc de foudre en aéronautique : Electromagnetic Modeling of lightning for aircraft applications. [Internet] [Doctoral dissertation]. Université de Grenoble; 2012. [cited 2021 Jan 22]. Available from: http://www.theses.fr/2012GRENT077.

Council of Science Editors:

Jazzar A. Modélisation électromagnétique d'un choc de foudre en aéronautique : Electromagnetic Modeling of lightning for aircraft applications. [Doctoral Dissertation]. Université de Grenoble; 2012. Available from: http://www.theses.fr/2012GRENT077

Brno University of Technology

25. Bartoš, Jan. Systém pro podporu porovnání algoritmů redukce šumu v audio signálu: System for the support of comparison of algorithms for noise reduction in audiosignal.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/17604

► The main purpose is to create a system for working with audio-signal, which is user-friendly and ready for next expansion. The program is developed in… (more)

Subjects/Keywords: Knihovna Qt; FFT; spektrální odečítání; prahování spektrogramu; Qt Library; FFT; Spectral Subtraction; Tresholding

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❌

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bartoš, J. (2019). Systém pro podporu porovnání algoritmů redukce šumu v audio signálu: System for the support of comparison of algorithms for noise reduction in audiosignal. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/17604

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bartoš, Jan. “Systém pro podporu porovnání algoritmů redukce šumu v audio signálu: System for the support of comparison of algorithms for noise reduction in audiosignal.” 2019. Thesis, Brno University of Technology. Accessed January 22, 2021. http://hdl.handle.net/11012/17604.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bartoš, Jan. “Systém pro podporu porovnání algoritmů redukce šumu v audio signálu: System for the support of comparison of algorithms for noise reduction in audiosignal.” 2019. Web. 22 Jan 2021.

Vancouver:

Bartoš J. Systém pro podporu porovnání algoritmů redukce šumu v audio signálu: System for the support of comparison of algorithms for noise reduction in audiosignal. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/11012/17604.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bartoš J. Systém pro podporu porovnání algoritmů redukce šumu v audio signálu: System for the support of comparison of algorithms for noise reduction in audiosignal. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/17604

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

26. Brudík, Vladislav. Měření biologických signálů pomocí systému Biopac: Measurement of biological signals with Bipack system.

Degree: 2018, Brno University of Technology

URL: http://hdl.handle.net/11012/8487

► This bachelor's thesis deals with questions of sensing electrical brain activity by electroencephalograph, and the data processing. Theoretical part is focused on brain, it's anatomy… (more)

Subjects/Keywords: Elektroencefalograf; Mozek; Biopac; Rychlá Fourierova Transformace (FFT); Electroencephalograph; Brain; Biopac; Fast Fourier Transformation (FFT)

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Brudík, V. (2018). Měření biologických signálů pomocí systému Biopac: Measurement of biological signals with Bipack system. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/8487

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Brudík, Vladislav. “Měření biologických signálů pomocí systému Biopac: Measurement of biological signals with Bipack system.” 2018. Thesis, Brno University of Technology. Accessed January 22, 2021. http://hdl.handle.net/11012/8487.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Brudík, Vladislav. “Měření biologických signálů pomocí systému Biopac: Measurement of biological signals with Bipack system.” 2018. Web. 22 Jan 2021.

Vancouver:

Brudík V. Měření biologických signálů pomocí systému Biopac: Measurement of biological signals with Bipack system. [Internet] [Thesis]. Brno University of Technology; 2018. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/11012/8487.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Brudík V. Měření biologických signálů pomocí systému Biopac: Measurement of biological signals with Bipack system. [Thesis]. Brno University of Technology; 2018. Available from: http://hdl.handle.net/11012/8487

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Akron

27. Mirza, Ameen Baig. Parallel Computation of the Interleaved Fast Fourier Transform with MPI.

Degree: MS, Computer Science, 2008, University of Akron

URL: http://rave.ohiolink.edu/etdc/view?acc_num=akron1226941684

► Fourier Transforms have wide range of applications ranging from signal processing to astronomy. The advent of digital computers led to the development of the FFT… (more)

Subjects/Keywords: Computer Science; FFT; processors; DCT; case FFT; lifting algorithm; gg90; FFT using

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Mirza, A. B. (2008). Parallel Computation of the Interleaved Fast Fourier Transform with MPI. (Masters Thesis). University of Akron. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=akron1226941684

Chicago Manual of Style (16^th Edition):

Mirza, Ameen Baig. “Parallel Computation of the Interleaved Fast Fourier Transform with MPI.” 2008. Masters Thesis, University of Akron. Accessed January 22, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1226941684.

MLA Handbook (7^th Edition):

Mirza, Ameen Baig. “Parallel Computation of the Interleaved Fast Fourier Transform with MPI.” 2008. Web. 22 Jan 2021.

Vancouver:

Mirza AB. Parallel Computation of the Interleaved Fast Fourier Transform with MPI. [Internet] [Masters thesis]. University of Akron; 2008. [cited 2021 Jan 22]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1226941684.

Council of Science Editors:

Mirza AB. Parallel Computation of the Interleaved Fast Fourier Transform with MPI. [Masters Thesis]. University of Akron; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1226941684

Universidade Presbiteriana Mackenzie

28. Luiz Carlos Bernardo. Sistemas de comunicação utilizando transmissão OFDM baseado em wavelets com subportadoras com modulação caótica.

Degree: 2013, Universidade Presbiteriana Mackenzie

URL: http://tede.mackenzie.com.br//tde_busca/arquivo.php?codArquivo=2939

►

Sistemas de comunicações baseados em sinais caóticos representam um novo campo de estudo de transmissão em banda larga. Entretanto, sistemas baseados em sinais caóticos não… (more)

▼

Sistemas de comunicações baseados em sinais caóticos representam um novo campo de estudo de transmissão em banda larga. Entretanto, sistemas baseados em sinais caóticos não apresentaram ainda um desempenho distinto em termos de taxa de erro, quando transmitidos em canais sem fios ou na presença de interferências em comparação aos sistemas tradicionais. O foco deste trabalho está na proposta de um novo esquema obtido através da conjugação das características da comunicação tradicional baseada em subportadoras ortogonais e aquelas originadas por sinais caóticos. Mais precisamente, a modulação caótica é empregada nas subportadoras de um sistema OFDM (Multiplexação por Divisão de Frequência Ortogonal) tradicional. Este novo modelo de modulação é implementado através de geração de sequências caóticas em um mapa unidimensional controlado por um parâmetro p que define uma região central do mapa como um intervalo de guarda e, por conseguinte, o comportamento caótico da sequência gerada. Este parâmetro também determina diretamente a amplitude de cada símbolo, fazendo-o mais irregular e menos previsível, evitando a detecção por pessoal não autorizado, possibilitando o aumento do nível de segurança da transmissão. Além da mudança no modulador do OFDM convencional de 4QAM para caótico, ter-se-á a substituição da Transformada Rápida de Fourier (IFFT/FFT), largamente utilizada em sistemas OFDM pela Transformada Wavelet (IDWT/DWT), de maneira a aprimorar os pontos fracos do sistema OFDM convencional. Como contribuição adicional, tem se a concepção do sinal com modulação simbólica em quadratura, ou seja, uma parte do sinal foi gerada no eixo I e a outra parte no eixo Q, criando uma modulação caótica em quadratura que é submetida aos mesmos canais da modulação caótica anterior. Os sistemas propostos foram simulados em ambiente MATLAB utilizando-se de funções pré-existentes no modulo de ferramentas de comunicações (Communications System Toolbox) e o seu comportamento analisado em termos de gráficos que representam a relação da taxa de erro do bit (BER) versus relação sinal ruído (SNR). Os resultados obtidos foram reportados e debatidos.

A chaotic signal based communication system represents a new wideband transmission model. Nonetheless, chaotic based systems have not yet shown a distinguished performance in terms of bit error rate when transmitted in narrow band channels or in the presence of impairments in comparison to the traditional communications systems. The focus of this work relies on an experiment that overcomes this issue, through the conjugation of the characteristics of traditional communications based in orthogonal carriers and those originated from chaotic signals. More clearly, the chaotic modulation is employed in sub-carriers of traditional OFDM (Orthogonal Frequency Division Multiplexing). This novel modulation scheme is implemented through the generation of chaotic sequences in a one dimensional map controlled by a parameter p which defines the central region of the map as a guard interval, the slope of the…

Advisors/Committee Members: Maria das Dores dos Santos Miranda, Paulo Batista Lopes, Marco Antonio Assis de Melo, Francisco Martins Portelinha, Paulo Alves Garcia.

Subjects/Keywords: OFDM; sinais caóticos; IFFT/FFT; IDWT/DWT; IDWT/DWT; wavelets; ENGENHARIA ELETRICA; wavelets; OFDM; chaotic signals; IFFT/FFT

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bernardo, L. C. (2013). Sistemas de comunicação utilizando transmissão OFDM baseado em wavelets com subportadoras com modulação caótica. (Thesis). Universidade Presbiteriana Mackenzie. Retrieved from http://tede.mackenzie.com.br//tde_busca/arquivo.php?codArquivo=2939

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bernardo, Luiz Carlos. “Sistemas de comunicação utilizando transmissão OFDM baseado em wavelets com subportadoras com modulação caótica.” 2013. Thesis, Universidade Presbiteriana Mackenzie. Accessed January 22, 2021. http://tede.mackenzie.com.br//tde_busca/arquivo.php?codArquivo=2939.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bernardo, Luiz Carlos. “Sistemas de comunicação utilizando transmissão OFDM baseado em wavelets com subportadoras com modulação caótica.” 2013. Web. 22 Jan 2021.

Vancouver:

Bernardo LC. Sistemas de comunicação utilizando transmissão OFDM baseado em wavelets com subportadoras com modulação caótica. [Internet] [Thesis]. Universidade Presbiteriana Mackenzie; 2013. [cited 2021 Jan 22]. Available from: http://tede.mackenzie.com.br//tde_busca/arquivo.php?codArquivo=2939.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bernardo LC. Sistemas de comunicação utilizando transmissão OFDM baseado em wavelets com subportadoras com modulação caótica. [Thesis]. Universidade Presbiteriana Mackenzie; 2013. Available from: http://tede.mackenzie.com.br//tde_busca/arquivo.php?codArquivo=2939

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

29. Joščák, Juraj. Strojový přepis kytarových melodií do tabulatury: Computer Aided Transformation of Guitar Solos from Recorded Song to Tabs.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/180324

► The aim of this thesis was automatic pitch detection in melodic guitar lines and subsequent transcription to guitar tablature. Final system uses comb filtering to… (more)

Subjects/Keywords: rozpoznávanie tónu; gitara; Fourierova transformácia; FFT; audio; tablatúra; pitch detection; guitar; Fourier transform; FFT; audio; tablature

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Joščák, J. (2019). Strojový přepis kytarových melodií do tabulatury: Computer Aided Transformation of Guitar Solos from Recorded Song to Tabs. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/180324

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Joščák, Juraj. “Strojový přepis kytarových melodií do tabulatury: Computer Aided Transformation of Guitar Solos from Recorded Song to Tabs.” 2019. Thesis, Brno University of Technology. Accessed January 22, 2021. http://hdl.handle.net/11012/180324.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Joščák, Juraj. “Strojový přepis kytarových melodií do tabulatury: Computer Aided Transformation of Guitar Solos from Recorded Song to Tabs.” 2019. Web. 22 Jan 2021.

Vancouver:

Joščák J. Strojový přepis kytarových melodií do tabulatury: Computer Aided Transformation of Guitar Solos from Recorded Song to Tabs. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/11012/180324.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Joščák J. Strojový přepis kytarových melodií do tabulatury: Computer Aided Transformation of Guitar Solos from Recorded Song to Tabs. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/180324

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

30. Matuszek, Martin. Měření pulzu z videa: Pulse Detection from Video.

Degree: 2018, Brno University of Technology

URL: http://hdl.handle.net/11012/53341

► The aim of the Master's thesis was to study contemporary methods for human pulse detection from standard video and suggest a method, which can be… (more)

Subjects/Keywords: detekce pulzu z videa; Gaussovská pyramida; FFT; PCA; filtrování signálu; pulse detection from video; Gauss pyramid; FFT; PCA; signal filtering

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❌

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Matuszek, M. (2018). Měření pulzu z videa: Pulse Detection from Video. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/53341

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Matuszek, Martin. “Měření pulzu z videa: Pulse Detection from Video.” 2018. Thesis, Brno University of Technology. Accessed January 22, 2021. http://hdl.handle.net/11012/53341.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Matuszek, Martin. “Měření pulzu z videa: Pulse Detection from Video.” 2018. Web. 22 Jan 2021.

Vancouver:

Matuszek M. Měření pulzu z videa: Pulse Detection from Video. [Internet] [Thesis]. Brno University of Technology; 2018. [cited 2021 Jan 22]. Available from: http://hdl.handle.net/11012/53341.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Matuszek M. Měření pulzu z videa: Pulse Detection from Video. [Thesis]. Brno University of Technology; 2018. Available from: http://hdl.handle.net/11012/53341

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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Open Access Theses and Dissertations