On Chebyshev design of linear-phase FIR filters with frequency inequality constraints

被引：14
|
作者：
Lai, XP [1 ]
Zhao, RJ [1 ]
机构：
[1] Shandong Univ, Sch Informat Engn, Weihai 264209, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2006年 / 53卷 / 02期
关键词：
alternation theorem; constrained Chebyshev design; finite-impulse response (FIR) filter; Remez algorithm;
D O I：
10.1109/TCSII.2005.855733
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：
The alternation theorem is the basis of the Remez algorithm for unconstrained Chebyshev design of finite-impulse response (FIR) filters. In this paper, we extend the alternation theorem to the inequality-constrained case and present an improved Remez algorithm for the design of minimax FIR filters with inequality constraints in frequency domain. Compared with existing algorithms, the presented algorithm has faster convergence rate and guaranteed optimal solutions.
引用
收藏
页码：120 / 124
页数：5
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