基于互功率谱的时延估计，使用拉亚普诺夫指数的公式，使用高阶累积量对MPSK信号进行调制识别，快速扩展随机生成树算法，基于负熵最大的独立分量分析，鲁棒性好，性能优越，用于图像处理的独立分量分析。- Based on the time delay estimation of power spectrum, Raya Punuo Fu index using the formula, Using high-order cumulants of MPSK signal modulation recognition, Rapid expansion of random spanning tree algorithm, Based on negative entropy largest independent component analysis, Robustness, superior performance, Independent component analysis for image processing.