A weighted least-squares method for the design of stable 1-D and 2-D IIR digital filters

被引：125

作者：

Lu, WS ^{[1
]}

Pei, SC

Tseng, CC

机构：

[1] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada

[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1998年 / 46卷 / 01期

关键词：

IIR filter; quadratic programming; weighted least-squares method;

D O I：

10.1109/78.651159

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 paper, we present a new approach to the least-squares design of stable infinite impulse response (IIR) digital filters, The design is accomplished by using an iterative scheme in which the denominator polynomial obtained from the preceding iteration is treated as a part of the weighting function, and each iteration is carried out by solving a standard quadratic programming problem that yields a stable rational function, When the iteration converges, a stable and truly least-squares solution is obtained. The method is then extended to address the least-squares design of stable IIR two-dimensional (2-D) filters, Examples are included to illustrate the proposed design techniques.

引用

页码：1 / 10

页数：10

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