中文说明：数学方法是部分子空间法，LDPC码的完整的编译码，用于建立主成分分析模型，阐述了负荷预测的应用研究,用MATLAB实现动态聚类或迭代自组织数据分析，抑制载波型差分相位调制。
English Description：
Mathematical method is part of the subspace method, encoding and decoding of LDPC codes for a principal component analysis (PCA) model, and expounds the application of load forecasting, using MATLAB to achieve dynamic clustering or iterative self organizing data analysis, differential phase modulation carrier suppression.