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Efficient and multiplierless design of FIR filters with very sharp cutoff via maximally flat building blocks

Vaidyanathan, P. P. (1985) Efficient and multiplierless design of FIR filters with very sharp cutoff via maximally flat building blocks. IEEE Transactions on Circuits and Systems, 32 (3). pp. 236-244. ISSN 0098-4094. http://resolver.caltech.edu/CaltechAUTHORS:VAIieeetcs85g

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Abstract

A new design technique for linear-phase FIR filters, based on maximally flat buildiing blocks, is presented. The design technique does not involve iterative approximations and is, therefore, fast. It gives rise to filters that have a monotone stopband response, as required in some applications. The technique is partially based on an interpolative scheme. Implementation of the obtained filter designs requires a much smaller number of multiplications than maximally flat (MAXFLAT) FIR filters designed by the conventional approach. A technique based on FIR spectral transformations to design new multiplierless FIR filter structures is then advanced, and multiplierless implementations for sharp cutoff specifications are included.


Item Type:Article
Additional Information:© Copyright 1985 IEEE. Reprinted with permission. Manuscript received April 2,1984. This work was supported in part by Caltech Funds and in part by the National Science Foundation under Grant ECS 84-04245. The author wishes to thank Dr. J. F. Kaiser of the Bell Communications Research, Inc., for his encouragement and useful discussions on the manuscript. The author is also grateful to the reviewers for a number of constructive suggestions.
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Alternative URL:http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=23566&arnumber=1085695&count=17&index=10
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Deposited On:06 Nov 2006
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