Design of doubly complementary filters with approximate linear phase

被引:3
|
作者
Klouche-Djedid, A [1 ]
Lawson, SS [1 ]
机构
[1] Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England
来源
关键词
D O I
10.1049/ip-vis:20000213
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 new procedure for the design of a real doubly complementary (DC) pair of digital filters obtained from an all-pass structure is presented. The filter design is based on a zero-phase FIR filter design with multi-band frequency specifications and approximate linear-phase characteristic. The resulting complex or real all-pass filter structure is guaranteed to be stable. Some examples illustrating the design method including comparisons with conventional approximately linear phase IIR filters are also shown.
引用
收藏
页码:103 / 108
页数:6
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