DESIGN OF 2-D RECURSIVE DIGITAL-FILTERS WITH CONSTANT GROUP DELAY CHARACTERISTICS

被引：2

作者：

NAGAMUTHU, N ^{[1
]}

SIDAHMED, MA ^{[1
]}

AHMADI, M ^{[1
]}

机构：

[1] UNIV WINDSOR,DEPT ELECT ENGN,WINDSOR N9B 3P4,ONTARIO,CANADA

来源：

JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 1985年 / 320卷 / 3-4期

关键词：

IMAGE PROCESSING - Enhancement - SEISMIC WAVES - Monitoring;

D O I：

10.1016/0016-0032(85)90045-6

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A modification of a scheme developed previously is presented. The technique uses the McClellan transformation applied to a 1-D zero-phase recursive filter to obtain a 2-D zero-phase recursive filter which is unstable. The stabilization process is done through the decomposition of the 2-D zero-phase filter using the spectral factorization technique into four single quadrant filters. The coefficients of the derived single quandrant filter can be used as the initial values in a direct optimization scheme to minimize an error criterion, which includes the phase and magnitude response of the filter.

引用

页码：191 / 200

页数：10

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