Design of 2-D FIR digital filters with specified magnitude and group delay responses by GA approach

被引：21
|
作者：
Tzeng, Shian-Tang [1 ]
机构：
[1] Kao Yuan Univ, Dept Elect Engn, Kaohsiung 821, Taiwan
来源：
SIGNAL PROCESSING | 2007年 / 87卷 / 09期
关键词：
GA approach; 2-D FIR digital filters; real-valued chromosomes;
D O I：
10.1016/j.sigpro.2007.01.034
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An effective genetic algorithm (GA) approach is proposed for designing two-dimensional (2-D) real finite-duration impulse response (FIR) digital filters with complex-valued frequency responses. The method is extended from the one-dimensional (1-D) filter designs. By minimizing a quadratic measure of the error in the frequency band, the real-valued chromosomes of a population are evolved to get the filter coefficients. It is used to design two major classes of 2-D FIR digital filters including multi-band filters and all-pass phase equalizers. Two examples are presented to demonstrate the efficiency and effectiveness of this proposed approach. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2036 / 2044
页数：9
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