Linear programming design of linear-phase FIR filters with variable bandwidth

被引：0

作者：

Löwenborg, P ^{[1
]}

Johansson, H ^{[1
]}

机构：

[1] Linkoping Univ, Dept Elect Engn, SE-58183 Linkoping, Sweden

来源：

PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL III: GENERAL & NONLINEAR CIRCUITS AND SYSTEMS | 2003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 considers the design of linear-phase FIR digital filters that have a variable bandwidth whereas the phase response is fixed. For this purpose, we employ a structure in which the overall transfer function is a weighted linear combination of fixed subfilters and where the weights are directly deter-mined by the bandwidth. We introduce a linear programming design. technique which generates globally optimal overall filters in the minimax (Chebyshev) sense. Further, both the cases where the subfilters are of equal and different orders, respectively, are treated. Earlier, only the equal-order case has been considered.

引用

页码：554 / 557

页数：4

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