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Results on the application of simulated annealing algorithm for the design of digital filters with powers-of-two coefficients

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3 Author(s)
Benvenuto, N. ; Dipartimento di Elettronica ed Autom., Ancona Univ., Italy ; Marchesi, M. ; Uncini, A.

Results on the application of the simulated annealing (SA) algorithm to the problem of finding the coefficients of a digital filter with very coarse coefficients values (namely, power-of-two) are presented. For a minimax criterion in the frequency response, the algorithm was found particularly useful for designing a cascade-form FIR (finite impulse response) filter whose performance is known to be superior to that of direct-form filters. Because the SA algorithm is a global optimization method, all stages are designed simultaneously, thus avoiding the classical iterative procedure. The final result is better performance at a higher computational cost

Published in:

Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on

Date of Conference:

3-6 Apr 1990