A fast design algorithm for elliptic-error and phase-error constrained LS 2-D FIR filters

被引：9

作者：

Hong, Xiaoying ^{[1
]}

Lai, Xiaoping ^{[2
]}

Zhao, Ruijie ^{[1
]}

机构：

[1] Shandong Univ, Sch Mech Elect & Informat Engn, Weihai 264209, Peoples R China

[2] Hangzhou Dianzi Univ, Inst Informat & Control, Hangzhou 310018, Zhejiang, Peoples R China

来源：

MULTIDIMENSIONAL SYSTEMS AND SIGNAL PROCESSING | 2016年 / 27卷 / 02期

关键词：

2-D nonlinear-phase FIR filters; Elliptic-error and phase-error constrained least-squares design; Matrix-based algorithm; LEAST-SQUARES METHOD; DIGITAL-FILTERS; FREQUENCY-RESPONSE; GROUP DELAY; OPTIMIZATION; PROGRAMS;

D O I：

10.1007/s11045-014-0312-5

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Two-dimensional (2-D) nonlinear-phase finite impulse response (FIR) filters have found many applications in signal processing and communication systems. This paper considers the elliptic-error and phase-error constrained least-squares design of 2-D nonlinear-phase FIR filters, and develops a matrix-based algorithm to solve the design problem directly for the filter's coefficient matrix rather than vectorizing it first as in the conventional methods. The matrix-based algorithm makes the design to consume much less design time than existing algorithms. Design examples and comparisons with existing methods demonstrate the effectiveness and high efficiency of the proposed design method.

引用

页码：477 / 491

页数：15

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