中文说明：用于处理波动信号的程序，实现对数据在时域及频域的分析，能够清晰的看到信号的时频分布特性，有助于理解现象的机理，拿出来和大家分享一下。
English Description：
The program is used to process the fluctuation signal, realize the analysis of the data in the time domain and frequency domain, can clearly see the time-frequency distribution characteristics of the signal, help to understand the mechanism of the phenomenon, take it out and share with you.