给出接收信号眼图及系统仿真误码率，阐述了负荷预测的应用研究,搭建OFDM通信系统的框架，直线阵采用切比学夫加权控制主旁瓣比，合成孔径雷达（SAR)目标成像仿真，结合PCA的尺度不变特征变换(SIFT)算法。- The received signal is given eye and BER simulation systems, It describes the application of load forecasting, Build a fr a mework OFDM communication system, Linear array using cut than learning laid upon the right control of the main sidelobe ratio, Synthetic Aperture Radar (SAR) imaging simulation target, Combined with PCA scale invariant feature transform (SIFT) algorithm.