进行波形数据分析,合成孔径雷达（SAR)目标成像仿真，对于初学者具有参考意义，通过虚拟阵元进行DOA估计，正确率可以达到98％，是机器学习的例程。- Waveform data analysis, Synthetic Aperture Radar (SAR) imaging simulation target, For beginners with a reference value, Conducted through virtual array DOA estimation, Accuracy can reach 98 , Machine learning routines.