有循环检测，周期性检测，多元数据分析的主分量分析投影，分析了该信号的时域、频域、倒谱，循环谱等,使用高阶累积量对MPSK信号进行调制识别，进行逐步线性回归，数值分析的EULER法，用于建立主成分分析模型。- There are cycle detection, periodic testing, Principal component analysis of multivariate data analysis projection, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Using high-order cumulants of MPSK signal modulation recognition, Stepwise linear regression, EULER numerical analysis method, Principal component analysis model for establishing.