Design of two-dimensional FIR digital filters with specified magnitude and group delay responses by analytical least-squares method

被引：0

作者：

Pei, SC

Shyu, JJ

机构：

[1] Department of Electrical Engineering, National Taiwan University

[2] Dept. of Comp. Sci. and Engineering, Tatung Institute of Technology, Taipei

来源：

SIGNAL PROCESSING | 1996年 / 54卷 / 03期

关键词：

analytical least-squares method; FIR filter; 2-D all-pass equalizer;

D O I：

10.1016/S0165-1684(96)00113-2

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：

In this paper, an analytical least-squares approach to the design of quadrantally symmetric 2-D filters is extended to design complex-coefficient 2-D FIR filters with arbitrary complex frequency responses. Given the design specifications, the filter coefficients are determined directly from a closed-form transformation matrix, such that time-consuming optimization, matrix inversion and iteration procedures can be avoided. Several examples are presented to demonstrate the simplicity and effectiveness of the proposed method.

引用

页码：273 / 283

页数：11

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