DESIGN OF 2-D DIGITAL-FILTERS WITH OCTAGONAL PASSBAND AND STOPBAND BOUNDARIES

被引：1

作者：

SHPAK, DJ ^{[1
]}

ANTONIOU, A ^{[1
]}

机构：

[1] UNIV VICTORIA,DEPT ELECT & COMP ENGN,VICTORIA V8W 3P6,BC,CANADA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS | 1991年 / 38卷 / 12期

关键词：

D O I：

10.1109/31.108506

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：

A method for the design of 2-D digital filters with octagonal passband and stopband boundaries is described. The method involves cascading four 1-D FIR or IIR digital filters. Consequently, it is easy to apply and leads to fast, economical, and efficient designs. By choosing appropriate passband- and stopband-edge frequencies for the 1-D filters, 2-D filters with approximately circular or elliptical passband and stopband boundaries can readily be designed. Additionally, it is possible to realize causal 2-D IIR filters with linear-phase passbands by using 1-D IIR filters having linear-phase passbands.

引用

页码：1534 / 1542

页数：9

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