Symmetric orthogonal complex-valued filter bank design by semidefinite programming

被引：8
|
作者：
Kha, Ha Hoang [1 ]
Tuan, Hoang Duong
Vo, Ba-Ngu
Nguyen, Truong Q.
机构：
[1] Univ New S Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
[2] Univ Melbourne, Dept Elect & Elect Engn, Parkville, Vic 3052, Australia
[3] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2007年 / 55卷 / 09期
基金：
澳大利亚研究理事会;
关键词：
complex-valued filter bank; semidefinite programming (SDP); trigonometric polynomial;
D O I：
10.1109/TSP.2007.896288
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 design method for complex-valued two-channel finite impulse response (FIR) filter banks with both orthogonality and symmetry properties is developed. Based on a novel linear matrix inequality (LMI) characterization of trigonometric curves, the optimal design of perfect-reconstruction filter banks is cast into a semidefinite programming (SDP) problem. The dimension of the resulting SDP problem is further reduced by exploiting convex duality. Consequently, the globally optimal solution can be found for any practical filter length and desired regularity order.
引用
收藏
页码：4405 / 4414
页数：10
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