是机器学习的例程，匹配追踪和正交匹配追踪，使用高阶累积量对MPSK信号进行调制识别，用于图像处理的独立分量分析，分析了该信号的时域、频域、倒谱，循环谱等。- Machine learning routines, Matching Pursuit and orthogonal matching pursuit, Using high-order cumulants of MPSK signal modulation recognition, Independent component analysis for image processing, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.