WAVELET TRANSFORMS FOR DISCRETE-TIME PERIODIC SIGNALS

被引：13

作者：

GUBNER, JA

CHANG, WB

机构：

[1] Department of Electrical and Computer Engineering, University of Wisconsin, Madison, WI 53706

来源：

SIGNAL PROCESSING | 1995年 / 42卷 / 02期

关键词：

ORTHONORMAL WAVELETS; BIORTHOGONAL WAVELETS; SYMMETRICAL BIORTHOGONAL WAVELETS; PYRAMID ALGORITHMS; FAST WAVELET TRANSFORMS;

D O I：

10.1016/0165-1684(94)00125-J

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：

Wavelet transforms for discrete-time periodic signals are developed. In this finite-dimensional context, key ideas from the continuous-time papers of Daubechies and of Cohen, Daubechies and Feauveau are isolated to give a concise, rigorous derivation of the discrete-time periodic analogs of orthonormal and symmetric biorthogonal bases of compactly supported wavelets. These discrete-time periodic wavelets are expressed in terms of circular FIR filters, and thus lead to fast wavelet transforms whose complexity is order N.

引用

页码：167 / 180

页数：14

共 25 条

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