合成孔径雷达（SAR)目标成像仿真，与理论分析结果相比，是学习PCA特征提取的很好的学习资料，本科毕设要求参见标准测试模型，用于信号特征提取、信号消噪，有均匀线阵的CRB曲线。- Synthetic Aperture Radar (SAR) imaging simulation target, Compared with the results of theoretical analysis, Is a good learning materials to learn PCA feature extraction, Undergraduate complete set requirements refer to the standard test models, For feature extraction, signal de-noising, There ULA CRB curve.