本程序主要用于求解信号小波变换后，信号奇异点处的李氏指数和模极大值，对信号的断点进行定量的描述，可用于信号故障诊断。(This program is mainly used to solve the Lie index and the modulus maxima at the signal singular point after signal wavelet transform, and quantitatively describe the breakpoint of the signal, which can be used for signal fault diagnosis.)