wavelet signal的用法和样例：
例句
- At the same time, the selection method of Wavelet bases and hierarchy number is also analyzed here.
同时，分析了在合成脉动风时小波函数基的选取方法和分层数的选取。 - A new image fusion method based on biorthogonal wavelet that different frequency component on each decomposition level uses different operator is proposed.
摘要提出一种各分解层上的不同频率分量采用不同的融合算子的双正交小波函数图像融合的新方法。
