Design of Orthonormal Filter Banks based on Meyer Wavelet

被引：0
|
作者：
Teng Xudong [1 ]
Dai Yiqing [2 ]
Lu Xinyuan [2 ]
Liang Jianru [1 ]
机构：
[1] Shanghai Univ Engn Sci, Sch Elect & Elect Engn, Shanghai, Peoples R China
[2] Shanghai Rail Transit Maintenance Support Co Ltd, Commun & Signal Branch, Shanghai, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED COMPUTER SCIENCE AND APPLICATIONS | 2015年 / 6卷 / 07期
关键词：
Meyer wavelet; Time-shift factor; orthonormal FIR filter banks; Symmetrical Index;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A new design method for orthonormal FIR filter banks, which can be constructed using the generalized Meyer wavelet by taking into account the effect of time-shift factor, is proposed in this paper. These generalized Meyer wavelets are proved to be of the same basic properties and the time-frequency localization characteristics as the classical Meyer wavelet, furthermore some performances of the Meyer wavelets are improved by change of time-shift factor, which can better satisfy requirements of constructing orthonormal filter banks. The simulation shows that design of orthonormal filter banks based on the generalized Meyer wavelets with maximal symmetrical index is rational and effective.
引用
收藏
页码：109 / 112
页数：4
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