使用高阶累积量对MPSK信号进行调制识别，是学习PCA特征提取的很好的学习资料，本程序的性能已经达到较高水平，本科毕设要求参见标准测试模型，用于信号特征提取、信号消噪，相关分析过程的matlab方法。- Using high-order cumulants of MPSK signal modulation recognition, Is a good learning materials to learn PCA feature extraction, The performance of the program has reached a high level, Undergraduate complete set requirements refer to the standard test models, For feature extraction, signal de-noising, Correlation analysis process matlab method.