Title :
Results on the application of simulated annealing algorithm for the design of digital filters with powers-of-two coefficients
Author :
Benvenuto, N. ; Marchesi, M. ; Uncini, A.
Author_Institution :
Dipartimento di Elettronica ed Autom., Ancona Univ., Italy
Abstract :
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
Keywords :
digital filters; frequency response; minimax techniques; cascade-form FIR; digital filters; finite impulse response; frequency response; global optimization method; minimax criterion; powers-of-two coefficients; simulated annealing algorithm; Algorithm design and analysis; Computational efficiency; Digital filters; Finite impulse response filter; Frequency response; Iterative algorithms; Iterative methods; Minimax techniques; Optimization methods; Simulated annealing;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on
Conference_Location :
Albuquerque, NM
DOI :
10.1109/ICASSP.1990.115611