Design of 1-D stable variable fractional delay IIR filters

被引：14

作者：

Zhao, Hui ^{[1
]}

Kwan, Hon Keung

机构：

[1] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 610054, Peoples R China

[2] Univ Windsor, Dept Elect & Comp Engn, Windsor, ON N9B 3P4, Canada

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2007年 / 54卷 / 01期

关键词：

digital filters; infinite-impulse response (IIR) filters; variable fractional delay (VFD) filters;

D O I：

10.1109/TCSII.2006.882802

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：

In this brief, a two-stage approach for the design of 1-D stable variable fractional delay infinite-impulse response (IIR) digital filters is proposed. In the first stage, a set of fixed delay stable IIR filters are designed by minimizing a quadratic objective function, which is defined by integrating error criterion with IIR filter stability constraint condition. Then, the final design is determined by fitting each of the fixed delay filter coefficients as a 1-D polynomial. Two design examples are given to show the effectiveness of the proposed design method.

引用

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页码：86 / 90

页数：5

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