A NOVEL METHOD FOR MODELING 2-D FIR DIGITAL-FILTERS IN FREQUENCY-DOMAIN WITH NONUNIFORM SAMPLES

被引：6
|
作者：
ANGELIDIS, E
机构：
[1] Research Centre of Hellenic Navy (GETN), Ministry of Defense, Holargos
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING | 1994年 / 41卷 / 07期
关键词：
D O I：
10.1109/82.298383
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：
Two approaches-a direct and a progressive-for the design of a class of 2-D FIR digital filters in the frequency domain using Kronecker products and a new class of 2-D Newton-type polynomials are presented. The sample grid under consideration is described by the 'product representation' {omega(x1), omega(x)2,..., omega(xm)} X {omega(y1, omega(y2),..., omega(yn}, where the frequencies omega(x) and omega(y), are not necessarily uniformly spaced. Attractive features of the proposed method are: a) the reduction of the 2-D design problem to 1-D formulas b) the existence and uniqueness of the solution c) the capability of using real number arithmetic d) the stability in ill-conditioned cases and e) the inherent parallelism. The method can also be extended to m-d filter.
引用
收藏
页码：482 / 486
页数：5
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