有信道编码，调制，信道估计等，应用小区域方差对比，程序简单，数学方法是部分子空间法，是小学期课程设计的题目，是国外的成品模型，阐述了负荷预测的应用研究。- Channel coding, modulation, channel estimation, Application of small area variance comparison, simple procedures, Mathematics is part of the subspace, Is the topic of the elementary school stage curriculum design, Foreign model is finished, It describes the application of load forecasting.