部分实现了追踪测速迭代松弛算法，基于互功率谱的时延估计，最大似然（ML）准则和最大后验概率（MAP）准则，阐述了负荷预测的应用研究,相关分析过程的matlab方法。- Partially achieved tracking speed iterative relaxation algorithm, Based on the time delay estimation of power spectrum, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, It describes the application of load forecasting, Correlation analysis process matlab method.