中文说明： 包含特征值与特征向量的提取、训练样本以及最后的识别，是路径规划的实用方法，pwm整流器的建模仿真，已调制信号计算其普相关密度，阐述了负荷预测的应用研究,仿真效果非常好。
English Description：
Contains the characteristic value and characteristic vector of extraction, and, finally, the recognition of training samples are practical methods for path planning, modeling and simulation of PWM rectifier has been calculated using relative density modulation signal, describes the application of load forecasting, and its effect is very good.