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A new approach to the realization of low-sensitivity IIR digital filters

Vaidyanathan, P. P. and Mitra, Sanjit K. and Neuvo, Yrjö (1986) A new approach to the realization of low-sensitivity IIR digital filters. IEEE Transactions on Acoustics, Speech, and Signal Processing, 34 (2). pp. 350-361. ISSN 0096-3518. http://resolver.caltech.edu/CaltechAUTHORS:VAIieeetassp86

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Abstract

A new implementation of an IIR digital filter transfer function is presented that is structurally passive and, hence, has extremely low pass-band sensitivity. The structure is based on a simple parallel interconnection of two all-pass sections, with each section implemented in a structurally lossless manner. The structure shares a number of properties in common with wave lattice digital filters. Computer simulation results verifying the low-sensitivity feature are included, along with results on roundoff noise/dynamic range interaction. A large number of alternatives is available for the implementation of the all-pass sections, giving rise to the well-known wave lattice digital filters as a specific instance of the implementation.


Item Type:Article
Additional Information:© Copyright 1986 IEEE. Reprinted with permission. Manuscript received December 18, 1984; revised October 28, 1985. This work was supported in part by the National Science Foundation under Grants ECS 82-18310, ECS 84-04245, and ECS 85-08017, and in part by Caltech’s Programs in Advanced Technology Grant. The authors wish to thank the anonymous reviewers of this paper for their constructive criticisms. Also, the help of V. Liu, a graduate student at Caltech, in preparing Table I is gratefully acknowledged.
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Alternative URL:http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=26197&arnumber=1164829&count=22&index=21
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Deposited On:18 Oct 2006
Last Modified:26 Dec 2012 09:12

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