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有限长信号的分解重构及小波变换滤波
石油物探
1996年 35卷 第No. 3期
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Title
Decomposition and representation for finite signals and frequency domain filtering
Organization
Changchun College of Geology. Changchun 130026
摘要
本文针对有限长离散信号的具体特点,采用Mallat塔式分解重构算法,就有限长离散信号小波变换滤波过程中有关小波的选择问题提出了作者的见解,并就一个理论模型绘出了数值算例。
Abstract
In this paper, according to the characteristics of finite discrete signals and employing the Mallat pyramid algorithm, the authors discuss thc problem about how to choose the proper wavelet in frequency domain filtering for a finite discrete signal and give some computing results for a theoretical model.
关键词：
分解与重构;
B-样条小波;
线性相位;
滤波;
Keywords:
Decomposition and Representation;
B-Spline Wavelet;
Linear Phase;
Filtering;
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