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DSP System Design
Complexity Reduced IIR Filter
Implementation for Practical Applications
by
Artur Krukowski
University of Westminster
简单介绍
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 decimation and interpolation is being
presented and performance assessed in terms of the number of calculations
required for the given filter specification and the simplicity of
implementation. Specimen decimation filter designs to be used in Sigma-
Delta lowpass and bandpass A/D converters are presented which seem to
outperform traditional approaches. |
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eetop公众号
创芯大讲堂
创芯人才网
发表于 2008-5-28 08:11:16
楼主
![[U.Meyer-Baese]Digital Signal Processing with Field Programmable Gate Arrays 3rd Ed.jpg](data/attachment/forum/month_0805/20080528_53874b7bad2abf8ac3edfmT4aK0UtSRg.jpg "[U.Meyer-Baese]Digital Signal Processing with Field Programmable Gate Arrays 3rd Ed.jpg")