插值与拟合，解方程，数据分析，进行逐步线性回归，阐述了负荷预测的应用研究,多目标跟踪的粒子滤波器，PLS部分最小二乘工具箱,现代信号处理中谱估计在matlab中的使用。- Interpolation and fitting, solution of equations, data analysis, Stepwise linear regression, It describes the application of load forecasting, Multi-target tracking particle filter, PLS PLS toolbox, Modern signal processing used in the spectral estimation in matlab.