Subexpression encoded extrapolated impulse response FIR filter with perfect residual compensation
Author
Yu, Ya Jun
Shi, Dong
Lim, Yong Ching
Date of Issue
2008Conference Name
International Symposium on Circuits and Systems (2008 : Seattle, USA)
School
School of Electrical and Electronic Engineering
Version
Published version
Abstract
Earlier research has shown that filter impulse responses are quasi-periodic and filter coefficients can be approximated by extrapolation techniques. In this paper, a discrete coefficient extrapolated impulse response filter is proposed. Residual compensation technique is introduced to perfectly realize the filter coefficients. Both the extrapolated filter coefficients and the residuals are subexpression encoded to minimize the filter complexity. Numerical example shows that the proposed technique achieves minimum number of adders in the synthesis of the filter when compared with any other existing techniques.
Subject
DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits
Type
Conference Paper
Rights
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Collections
http://dx.doi.org/10.1109/ISCAS.2008.4541950
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