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.
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。
参考来源 - 小波变换和信号的时频局部分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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