The wavelet transform is of good localization property in the domain of time and frequency, which provides a comprehensive application in processing acoustic wave.

小波变换同时有在时间域和频率域对信号进行局部化的特点，使其在声波信号处理中有着广泛的应用前景。

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Wavelet packet transform is used as an efficient tool for precisely analyzing signal property, and provides orthogonal wavelet packet bases with better time frequency localization function.

小波包变换能作为一种有效工具对信号特性进行精细分析，同时提供具有良好时频局部性的正交小波包基。

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The main characteristic of the WT is the dual localization property in both time domain and frequency domain, which enables WT to be a high performance signal processing technique.

由于小波变换的时 -频局部化性质 ，使其成为信号处理的强有力工具。

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