表示出两帧图像间各个像素点的相对情况，基于互功率谱的时延估计，模式识别中的bayes判别分析算法，阐述了负荷预测的应用研究,插值与拟合，解方程，数据分析。-Between two images showing the relative circumstances of each pixel, Based on the time delay estimation of power spectrum, Pattern Recognition bayes discriminant analysis algorithm, It describes the application of load forecasting, Interpolation and fitting, solution of equations, data analysis.