101 |
Serial and parallel concatenated turbo codes /Ho, Mark Sum Chuen. Unknown Date (has links)
Thesis (PhDTelecommunications)--University of South Australia, 2002.
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Design of structured nonbinary quasi-cyclic low-density parity-check codesLiu, Yue, Electrical Engineering & Telecommunications, Faculty of Engineering, UNSW January 2009 (has links)
Since the rediscovery, LDPC codes attract a large amount of research efforts. In 1998, nonbinary LDPC codes were firstly investigated and the results shown that they are better than their binary counterparts in performance. Recently, there is always a requirement from the industry to design applied nonbinary LDPC codes. In this dissertation, we firstly propose a novel class of quasi-cyclic (QC) LDPC codes. This class of QC-LDPC codes embraces both linear encoding complexity and excellent compatibility in various degree distributions and nonbinary expansions. We show by simulation results that our proposed QC-LDPC codes perform as well as their comparable counterparts. However, this proposed code structure is more flexible in designing. This feature may show its power when we change the code length and rate adaptively. Further more, we present two algorithms to generate codes with short girth and better girth distribution. The two algorithms are designed based on progressive edge growth (PEG) algorithm and they are specifically designed for quasi-cyclic structure. The simulation results show the improvement they achieved. In this thesis, we also investigate the believe propagation based iterative algorithms for decoding of nonbinary LDPC codes. The algorithms include sum-product (SP) algorithm, SP algorithm using fast Fourier transform, min-sum (MS) algorithm and complexity reduced extended min-sum (EMS) algorithm. In particular, we present the proposed modified min-sum algorithm with threshold filtering which further reduces the computation complexity.
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Identification and characterization of genes involved in the biogenesis of small RNAs in rice, Oryza sativa L.Sasaki, Taeko. January 1900 (has links)
Thesis (M.Sc.). / Written for the Dept. of Plant Science. Title from title page of PDF (viewed 2008/05/29). Includes bibliographical references.
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Image coding using wavelet transform and adaptive block truncation coding /Chaiyaboonthanit, Thanit. January 1991 (has links)
Thesis (M.S.)--Rochester Institute of Technology, 1991. / Typescript. Includes bibliographical references (leaves 127-130).
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Design and pilot test of a bar code system for inventory controlSalcedo, Jorge. January 1990 (has links)
Thesis (M.S.)--Ohio University, August, 1990. / Title from PDF t.p.
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Bandwidth-efficient coded modulation and iterative decoding /Li, Xiaodong, January 1998 (has links)
Thesis (Ph. D.)--University of Washington, 1998. / Vita. Includes bibliographical references (leaves [95]-102).
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107 |
Robust image and video coding with adaptive rate controlWang, Hongqiang. January 2009 (has links)
Thesis (Ph.D.)--University of Nebraska-Lincoln, 2009. / Title from title screen (site viewed July 21, 2009). PDF text: xii, 170 p. : ill. (some col.) ; 3 Mb. UMI publication number: AAT 3350500. Includes bibliographical references. Also available in microfilm and microfiche formats.
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108 |
Studies on graph-based coding systemsSun, Jing. January 2004 (has links)
Thesis (Ph. D.)--Ohio State University, 2004. / Title from first page of PDF file. Document formatted into pages; contains xvi, 129 p.; also includes graphics. Includes bibliographical references (p. 126-129).
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109 |
Performance analysis of CDMA systems in multipath channels /Cameron, Rick, January 1993 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1993. / Vita. Abstract. Includes bibliographical references (leaves 82-85). Also available via the Internet.
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110 |
A study of microRNA-132 and -212 in murine granulosa cells during folliculogenesisLin, Sau-wah, Selma. January 2010 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2010. / Includes bibliographical references (leaves 231-275). Also available in print.
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