Improved iterative methods for the design of quadrature mirror-image filter banks

被引：11
|
作者：
Xu, H
Lu, WS
Antoniou, A
机构：
[1] Department of Electrical and Computer Engineering, University of Victoria, Victoria
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING | 1996年 / 43卷 / 05期
关键词：
D O I：
10.1109/82.494386
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 iterative method for the design of two-band quadrature mirror-image filter (QMF) banks proposed by Chen and Lee is examined and improved by deriving simple, explicit, and precise expressions for the evaluation of two integrals involved in the computation of the objective function, The method is then extended to the design of QMF banks with low reconstruction delays and to the design of filter banks with equiripple complex reconstruction error, The paper concludes with design examples which illustrate the efficiency and performance of the algorithms developed and the quality of the filter banks that can be designed.
引用
收藏
页码：363 / 371
页数：9
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