时间序列数据分析中的梅林变换工具，分析了该信号的时域、频域、倒谱，循环谱等,可以提取一幅图中想要的目标。- Time series data analysis Mellin transform tool, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Target can be extracted in a picture you want.