进行逐步线性回归，主同步信号PSS在时域上的相关仿真，合成孔径雷达（SAR)目标成像仿真，自己编的5种调制信号，阐述了负荷预测的应用研究,快速扩展随机生成树算法。- Stepwise linear regression, PSS primary synchronization signal in the time domain simulation related, Synthetic Aperture Radar (SAR) imaging simulation target, Own five modulation signal, It describes the application of load forecasting, Rapid expansion of random spanning tree algorithm.