结合PCA的尺度不变特征变换(SIFT)算法，使用高阶累积量对MPSK信号进行调制识别，STM32制作的MP3的全部资料。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Using high-order cumulants of MPSK signal modulation recognition, STM32 all the information produced by the MP3.