wavelet transformation

例句：

1. 1. Wavelet transform is a powerful tool for image processing.
   小波变换是图像处理的一个强大工具。
2. 2.In wavelet transform, the coefficients are calculated based on the energy of the signal.
   在小波变换中，系数是根据信号的能量来计算的。
3. 3. The wavelet transform has been widely used in various fields such as signal processing and image analysis.
   小波变换在信号处理和图像分析等领域得到了广泛应用。