ESTIMATION OF LOCAL-POWER SPECTRAL DENSITIES FOR NONSTATIONARY SIGNALS USING WAVELET TRANSFORM

被引：1
|
作者：
CLOUET, JF [1 ]
FOUQUE, JP [1 ]
POSTEL, M [1 ]
机构：
[1] UNIV PARIS 06,ANAL NUMER LAB,F-75252 PARIS 05,FRANCE
来源：
MATHEMATICS AND COMPUTERS IN SIMULATION | 1995年 / 38卷 / 1-3期
关键词：
D O I：
10.1016/0378-4754(93)E0081-F
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
We present a new method based on wavelet transform for the estimation of the power spectrum for a class of non-stationary signals arising in the analysis of random media. Using a convergence result for this signal we can reduce the estimation of the power spectrum to the estimation of only two wavelet coefficients.
引用
收藏
页码：183 / 188
页数：6
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