对信号进行频谱分析及滤波，使用高阶累积量对MPSK信号进行调制识别，三相光伏逆变并网的仿真，使用matlab实现智能预测控制算法，搭建OFDM通信系统的框架，有CDF三角函数曲线/三维曲线图。- The signal spectral analysis and filtering, Using high-order cumulants of MPSK signal modulation recognition, Three-phase photovoltaic inverter and network simulation, Use matlab intelligent predictive control algorithm, Build a framework OFDM communication system, There CDF trigonometric curve/3D graphs.