合成孔径雷达（SAR)目标成像仿真，采用加权网络中节点强度和权重都是幂率分布的模型，阐述了负荷预测的应用研究,采用偏最小二乘法，调试通过可以使用，预报误差法参数辨识-松弛的思想。-Synthetic Aperture Radar (SAR) imaging simulation target, Using weighted model nodes in the network strength and weight are power law distribution, It describes the application of load forecasting, Partial least squares method, Debugging can be used, Prediction Error Method for Parameter Identification- the idea of relaxation.