Local search method for FIR filter coefficients synthesis

Author

Ye, Zhi ; Chang, Chip-Hong

Author_Institution

Centre for High Performance Embedded Syst., Nanyang Technol. Univ., Singapore

fYear

2004

fDate

28-30 Jan. 2004

Firstpage

255

Lastpage

260

Abstract

This paper presents a two-stage local search method for synthesizing finite precision FIR filter coefficients, with the aim to reduce the number of addition/subtraction in the realization of linear phase FIR filters. In the first stage, an initial set of coefficients is formed by taking into consideration the sensitivities of coefficients on frequency response. In the second stage, a tree search algorithm is utilized to achieve the objective function specified by the desirable Normalized Peak Ripple. The size of the search space is also studied.

Keywords

FIR filters; frequency response; network synthesis; tree searching; FIR filter coefficients synthesis; finite impulse response; frequency response; linear phase FIR filters realisation; local search method; normalized peak ripple; tree search algorithm; Circuit stability; Constraint optimization; Digital signal processing; Electronic mail; Embedded system; Finite impulse response filter; Frequency response; Passband; Search methods; Signal processing algorithms;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronic Design, Test and Applications, Proceedings. DELTA 2004. Second IEEE International Workshop on

Conference_Location

Perth, WA, Australia

Print_ISBN

0-7695-2081-2

Type

conf

DOI

10.1109/DELTA.2004.10042

Filename

1409849