Closed-form design of maximally flat FIR fractional delay filters

被引：16
|
作者：
Pei, Soo-Chang [1 ]
Wang, Peng-Hua
Lin, Huei-Shan
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
[2] Chang Gung Univ, Dept Elect Engn, Tao Yuan 333, Taiwan
[3] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 10617, Taiwan
来源：
IEEE SIGNAL PROCESSING LETTERS | 2006年 / 13卷 / 07期
关键词：
cosine series expansion; fractional delay (FD); maximally flat (MF) delay filters; sine series expansion;
D O I：
10.1109/LSP.2006.872397
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：
Eight types of maximally flat finite impulse response (FIR) fractional delay filters are proposed. They are designed by separately approximating the real part and the imaginary part of the frequency response. Among these eight types of filters, two of them are equivalent to the existing design results in the open literature. Therefore, a more general closed-form design of the maximally flat FIR fractional delay filters is described in this letter, and some design examples of FIR fractional delay filters will be illustrated.
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页码：405 / 408
页数：4
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