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Dissertations / Theses on the topic 'Quadrature mirror filter bank'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Velazquez, Scott Richard. "A hybrid quadrature mirror filter bank approach to analog-to-digital conversion." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/11538.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.<br>Includes bibliographical references (leaf 168).<br>by Scott Richard Velazquez.<br>M.S.

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2

Stoffell, Kevin M. "Implementation of a Quadrature Mirror Filter Bank on an SRC reconfigurable computer for real-time signal processing." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Sep%5FStoffell.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, September 2006.<br>Thesis Advisor(s): Douglas J. Fouts. "September 2006." Includes bibliographical references (p. 111-112). Also available in print.

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3

Vrána, Jaroslav. "Kvadraturní zrcadlové banky filtrů se sigma-delta modulátory." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-233436.

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Dissertation thesis is focused on real digital signal processing by quadrature mirror digital filter banks. In the first part a dual channel quadrature mirror digital filter bank is described briefly. Mainly transfer functions for distorted subband signals are described. In the next part generalized sigma-delta modulator and its linear model are described. Subsequently the generalized sigma-delta modulator is used in decomposition part of quadrature mirror digital filter bank. Designed structure is analyzed. Two design method of transfer functions are designed for the structure on the basis of

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4

Kasaei, Shohreh. "Fingerprint analysis using wavelet transform with application to compression and feature extraction." Thesis, Queensland University of Technology, 1998. https://eprints.qut.edu.au/36053/7/36053_Digitised_Thesis.pdf.

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The main goal of this research is to design an efficient compression al~ gorithm for fingerprint images. The wavelet transform technique is the principal tool used to reduce interpixel redundancies and to obtain a parsimonious representation for these images. A specific fixed decomposition structure is designed to be used by the wavelet packet in order to save on the computation, transmission, and storage costs. This decomposition structure is based on analysis of information packing performance of several decompositions, two-dimensional power spectral density, effect of each frequency

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5

Bulusu, Sri Satish Krishna Chaitanya. "Performance Analysis and PAPR Reduction Techniques for Filter-Bank based Multi-Carrier Systems with Non-Linear Power Amplifiers." Thesis, Paris, CNAM, 2016. http://www.theses.fr/2016CNAM1042/document.

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Cette thèse a été effectuée dans le cadre du projet européen FP7 EMPHATIC (Enhanced Multicarrier Techniques for Professional Ad-Hoc and Cell-Based Communications). Plusieurs universités européennes et deux partenaires industriels: THALES Communications Security et CASSIDIAN ont participé à ce projet. L'objectif de ce projet est de développer, d'évaluer et de démontrer les apports des techniques multi-porteuses avancées, permettant une meilleure utilisation des bandes de fréquences radio existantes en fournissant des services de données à large bande, en coexistence avec les services traditionn

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Bulusu, Sri Satish Krishna Chaitanya. "Performance Analysis and PAPR Reduction Techniques for Filter-Bank based Multi-Carrier Systems with Non-Linear Power Amplifiers." Electronic Thesis or Diss., Paris, CNAM, 2016. http://www.theses.fr/2016CNAM1042.

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Cette thèse a été effectuée dans le cadre du projet européen FP7 EMPHATIC (Enhanced Multicarrier Techniques for Professional Ad-Hoc and Cell-Based Communications). Plusieurs universités européennes et deux partenaires industriels: THALES Communications Security et CASSIDIAN ont participé à ce projet. L'objectif de ce projet est de développer, d'évaluer et de démontrer les apports des techniques multi-porteuses avancées, permettant une meilleure utilisation des bandes de fréquences radio existantes en fournissant des services de données à large bande, en coexistence avec les services traditionn

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7

Bařina, David. "Videokodek - komprese videosekvencí." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2009. http://www.nusl.cz/ntk/nusl-236699.

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This thesis deals with modern methods of a lossy still image and video compression. Wavelet transformation and SPIHT algorithm also belong to these methods. In second half of this thesis, a videocodec is implemented based on acquired knowledge. This codec uses Daubechies wavelets to analyse an image. Afterwards there is a modified SPIHT algorithm applied on gained coefficients. A lot of effort was put in order to optimize this computation. It is possible to use the created codec in Video for Windows, DirectShow and FFmpeg multimedia frameworks. At the end of this thesis, commonly used codecs a

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8

QUI, TAI-GUANG, and 邱泰光. "Design of quadrature mirror filter banks." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/67156468976499864886.

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9

Chung, Ding-Cheng, and 鍾定丞. "Design of Quadrature Mirror Filter banks based on Particle Swarm Optimization." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/13172872536882155661.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>101<br>Quadrature Mirror Filter banks is an important topic of wavelet theory, image processes and data compression; Traditionally a linear-phase finite impulse response(LP-FIR) low-pass filter and high-pass filter are used to construct QMF, recently several reports suggest that implement QMF by using IIR digital allpass filter, this structure could solve some problem such as amplitude distortion, also, be able to achieve the same specifications as using FIR filter with less filter order. Under this structure, the design problem we face is a highly nonlinear optimi

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10

Yang, Zhen-Yu, and 楊鎮宇. "Application of Quadrature Mirror Filter Banks to simulate the auditory cochlea mechanism of hearing impaired people." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/44194457922718759267.

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碩士<br>國立臺灣大學<br>工程科學及海洋工程學研究所<br>97<br>Being incapable of perceiving the complete voice contain will lead to hearing impaired people to have learning difficulty on language acquisition.Moreover, normal people without hearing problems may subjectively comprehend the reactions of impaired listeners during communication. Hence, it is difficult for normal people to tackle the core of problems and assist the hearing impaired to overcome communication barriers. We simulate the voice that hearing impaired people might receive by modulating the sampling frequency with use of shifting devices in this s

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11

Meng-kunLi and 李孟昆. "An Fast Algorithm and Hardware Design for Analysis and Synthesis Quadrature Mirror Filter Banks on the SBR in DRM." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/94865787430833418165.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>101<br>This brief presents a novel fast algorithm derivation and structure design of analysis and synthesis quadrature mirror filterbanks (SQMF) on the spectral band replication (SBR) in Digital Radio Mondiale (DRM). After pre- and post-procedures, a Fourier transform-based (FT-based) computational kernel was required to construct two types of fast algorithms that offered certain advantages. The proposed method employs a modified radix-2 fast Fourier transform (FFT) for analysis QMF (AQMF) to reduce the number of additions at the last stage of the butterfly, and a

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12

LING, MING-XING, and 林明興. "Quadrature mirror filter design by Chebyshev approximation." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/49760218487555791989.

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13

Wang, Yu-Hwa, and 王裕華. "A DFT Filter Bank Implementation for Multiband Digital Quadrature Demodulators." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/90791751408019947905.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>94<br>The design of multiband digital communication receivers is an important subject in the field of the software define radio(SDR). Digital quadrature demodulation is a well-known approach to implement SDR receivers. The sampled received in a digital quadrature demodulator satisfy the quadrature sampling condition. By applying the quadrature sampling theory to multiband signals, one can implement multiband SDR receivers with low complexity. The filter bank is another approach to process multiband signals. In the filter bank receiver, the sampled received signal do

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14

An-KaiLi and 李安凱. "Design and Application of Fast Algorithm of Recursive-Structure-Based Quadrature Mirror Filter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/18420213928873653939.

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碩士<br>國立成功大學<br>電機工程學系<br>103<br>This thesis proposed a novel fast algorithm and common structure design of analysis and synthesis quadrature mirror filterbanks (AQMF, SQMF) on the spectral band replication in digital radio mondiale (DRM). Based on recent Lai et al.’s concept, an extended issue is addressed form the view point of recursively computing the AQMF and SQMF coefficients. The proposed-I method also combines with the lifting scheme algorithm. The results show that the proposed AQMF algorithm has a great improvement on computational complexity. For the recursive kernel computation (N

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15

Chen, Yuan-Been, and 陳源彬. "Fast and Low Round-off Error Implementations of Quadrature Mirror Filter for Subband Coding." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/95207791622463295356.

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16

Chi-JenChen and 陳麒任. "Decision Feedback Equalizers for Spatial Multiplexing Filter Bank Multicarrier with Offset Quadrature Amplitude Modulation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/3472cf.

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