Are Equiripple Digital FIR Filters Always Optimal with Minimax Error Criterion?

被引：5
|
作者：
Tseng, Ching-Yih [1 ]
Griffiths, Lloyd J. [2 ]
机构：
[1] Univ So Calif, Dept Elect Engn Syst, Signal & Image Proc Inst, Los Angeles, CA 90089 USA
[2] Univ Colorado, Coll Engn, Boulder, CO 80309 USA
来源：
IEEE SIGNAL PROCESSING LETTERS | 1994年 / 1卷 / 01期
关键词：
D O I：
10.1109/97.295312
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：
For exact linear phase digital finite impulse response (FIR) filters, it is well known that a filter with equiripple error function must be optimal with the minimax (Chebyshev) error criterion. This letter points out that such analogy is not true for FIR filters which approximate arbitrarily specified magnitude and phase responses.
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收藏
页码：5 / 8
页数：4
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