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Hierarchical frequency grid management for arbitrary response FWL IIR filter design using a genetic algorithm

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2 Author(s)
Arsian, T. ; Sch. of Eng., Wales Univ., Cardiff, UK ; Horrocks, D.H.

A new approach of frequency grid management during the design of digital filters is presented. The technique uses a genetic algorithm, for a single-stage design of digital IIR filters with finite wordlength, which performs a two-stage fitness evaluation. The first performed on a coarse frequency grid. Whereas the second being performed on a relatively denser scale. The results obtained indicate a significant reduction in computational overhead

Published in:

Circuits and Systems, 1996. ISCAS '96., Connecting the World., 1996 IEEE International Symposium on  (Volume:2 )

Date of Conference:

12-15 May 1996