Design of cosine-modulated filter banks with perfect reconstruction

被引：0

作者：

Zhang, ZJ ^{[1
]}

Shui, PL ^{[1
]}

Jiao, LC ^{[1
]}

机构：

[1] Xidian Univ, Natl Key Lab Radar Signal Proc, Xian 710071, Peoples R China

来源：

CHINESE JOURNAL OF ELECTRONICS | 2005年 / 14卷 / 01期

关键词：

filter banks; Lagrange multiplier approach; perfect reconstruction;

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：

An efficient iterative Lagrange multiplier approach is developed in this paper to design cosine-modulated FIR filter banks with perfect reconstruction. The objective function is formulated as a quadratic function of the prototype filter coefficients whose minimum point can be obtained using the Lagrange multiplier approach in each step. This approach has high design efficiency and is not sensitive to changes in the initial prototype filter coefficients. A design example is presented to demonstrate the effectiveness of the new method.

引用

页码：103 / 105

页数：3

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