通过matlab代码，阐述了负荷预测的应用研究,最小均方误差（MMSE）的算法，用于信号特征提取、信号消噪，仿真图是速度、距离、幅度三维图像，LDPC码的完整的编译码。- By matlab code, It describes the application of load forecasting, Minimum mean square error (MMSE) algorithm, For feature extraction, signal de-noising, FIG simulation speed, distance, amplitude three-dimensional image, Complete codec LDPC code.