插值与拟合，解方程，数据分析，使用高阶累积量对MPSK信号进行调制识别，实现了对10个数字音的识别程序主同步信号PSS在时域上的相关仿真，正确率可以达到98％，时间序列数据分析中的梅林变换工具。-Interpolation and fitting, solution of equations, data analysis, Using high-order cumulants of MPSK signal modulation recognition, Realization of 10 digital audio recognition program PSS primary synchronization signal in the time domain simulation related, Accuracy can reach 98 , Time series data analysis Mellin transform tool.