DSP System Design Complexity Reduced IIR Filter Implementation for P
DSP System Design presents the investigation of special type of IIR polyphase filter structures combined with frequency transformation techniques used for fast, multi-rate filtering, and their application for custom fixed-point implementation. Detailed th
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DSP System Design Complexity Reduced IIR Filter Implementation for Practical Applications by
Artur Krukowski University of Westminster and
University of Westminster
KLUWER ACADEMIC PUBLISHERS NEW YORK, BOSTON, DORDRECHT, LONDON, MOSCOW
eBook ISBN: Print ISBN:
0-306-48708-X 1-4020-7558-8
©2004 Springer Science + Business Media, Inc. Print ©2003 Kluwer Academic Publishers Dordrecht All rights reserved No part of this eBook may be reproduced or transmitted in any form or by any means, electronic, mechanical, recording, or otherwise, without written consent from the Publisher Created in the United States of America
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Contents
Contributing Authors
vii
Preface
ix
Symbols and Abbreviations
xi
Polyphase IIR Filters Frequency Transformations
1 99
Filter Implementation
153
VHDL Filter Implementation
199
Appendix
221
References
227
Index
233
Contributing Authors
Artur Krukowski is with the University of Westminster since 1993 working as an Academic Researcher, then since 1999 as a Post Doctoral Researcher in Advanced DSP Systems in the Applied DSP and VLSI Research Group and since 2001 as a permanent member of the research staff. His areas of interest include Multi-rate Digital Signal Processing for Telecommunication Systems, digital filter design and their efficient lowlevel implementation, integrated circuit design, Digital Audio Broadcasting, Teleconferencing and Internet Technologies for Teaching. is with the University of Westminster (formerly the Polytechnic of Central London) since 1984. He is currently Professor of Applied DSP and VLSI Systems, leading the Applied DSP and VLSI Research Group at the University of Westminster. His research and teaching activities include digital and analog signal processing, silicon circuit and system design, digital filter design and implementation, A/D and D/A sigma-delta converters. He is currently working on efficiently implementable, lowpower DSP algorithms/architectures and Sigma-Delta modulator structures for use in the communications and biomedical industries.
Preface
This work presents the investigation of special type of IIR polyphase filter structures combined with frequency transformation techniques used for fast, multi-rate filtering, and their application for custom fixed-point implementation. Despite a lot of work being done on these subjects, there are still many unanswered questions. While a detailed coverage for all these questions in a single text is impossible, an honest effort has been made in this research monograph to address the exact analysis of the polyphase IIR structures and issues associated with their efficient implementation. Detailed theoretical analysis of the polyphase IIR structure has been presented for two and three coefficients in the two-path arrangement. This was then generalized for arbitrary filter order and any number of paths. The use of polyphase IIR structures in decimat
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