摘要
从信号时频分析的角度讨论了小波变换的应用，重点是多尺度分析和小波包，指出了用小波包分析非平稳信号的步骤。
From the view of time frequence analysis the applications of wavelet transform are introduced,the multyresolution analysis and wavelet package are emphasized,the process of analysing non smooth signals with wavelet package are concluded.
出处
《太原理工大学学报》
CAS
1999年第3期254-257,共4页
Journal of Taiyuan University of Technology
基金
山西省留学归国科研基金
关键词
小波变换
多尺度分析
小波包
时频分析
信号分析
wavelet transform
multyresolution analysis
wavelet package
time frequence analysis
