Cosine-modulated FIR filter banks satisfying perfect reconstruction: An iterative algorithm

被引：0

作者：

Ibarra-Manzano, OG ^{[1
]}

Jovanovic-Dolecek, G ^{[1
]}

机构：

[1] Univ Guanajuato, FIMEE, Dept Elect Engn, Salamanca, Mexico

来源：

42ND MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, PROCEEDINGS, VOLS 1 AND 2 | 1999年

关键词：

D O I：

暂无

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：

This paper presents an efficient algorithm for the design of M-channel cosine-modulated filter banks satisfying perfect reconstruction (Pn). It is well known that FIR filter bank, satisfying the PR property, can be obtained by cosine modulation of a linear-phase prototype of length N = 2mM (M is the number of channels and m is an arbitrary positive integer) by minimizing of the stopband energy of this prototype filter. Our algorithm seeds only a few iterations to obtain a solution at minimizing procedure requiring approximately m(M/2) parameters to be optimized. Some design examples and comparisons are included.

引用

页码：1061 / 1064

页数：4

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