功率谱分析，用于序列的周期识别。将一序列用不同周期的谐波分解,并用F检验进行周期检验。-Power spectrum analysis for identification of sequence cycles. One sequence will be different harmonic decomposition cycle and test cycle with F test.

双树复数小波变换的Matlab程序的F部分，全部解压到同一个文件夹下后可直接调用函数-Dual-Tree Complex Wavelet Transform Matlab for the F part of the procedure, all extract to the same folder can be a direct call function

02 正弦信号的叠加合成；合成f 50Hz，幅值为3的方波- 02 sine signal synthesis Synthesis of f 50 hz, square wave amplitude is 3