信号处理中的旋转不变子空间法，抑制载波型差分相位调制，使用高阶累积量对MPSK信号进行调制识别，均值便宜跟踪的示例，与理论分析结果相比，感应双馈发电机系统的仿真，有循环检测，周期性检测。- Signal Processing ESPRIT method, Suppressed carrier type differential phase modulation, Using high-order cumulants of MPSK signal modulation recognition, Example tracking mean cheap, Compared with the results of theoretical analysis, Simulation of doubly fed induction generator system, There are cycle detection, periodic testing.