使用高阶累积量对MPSK信号进行调制识别，包括主成分分析、因子分析、贝叶斯分析，实现了对10个数字音的识别，预报误差法参数辨识-松弛的思想，供做算法研究人员参考，粒子图像分割及匹配均为自行编制的子例程。-Using high-order cumulants of MPSK signal modulation recognition, Including principal component analysis, factor analysis, Bayesian analysis, To achieve the recognition of 10 digital sound, Prediction Error Method for Parameter Identification- the idea of relaxation, Algorithm for researchers to do reference, Particle image segmentation and matching subroutines themselves are prepared.