SAR成像仿真，设定场景参数，目标参数和信号参数后对应两种不同分辨率完成正交解调接收方式仿真SAR回波信号，观察信号的时、频域波形。-SAR imaging simulation, set the scene parameters, target parameters and signal parameters corresponding to the two different resolutions to complete the quadrature demodulator receive

多点目标 单站SAR的回波信号仿真以及BP后向投影成像 参数见合成孔径雷达成像——算法与实现一书表6.1 运行结果正确，注释比较详细-Percent more single station SAR point target echo signal simulation and backward projection imaging BP parameters, see synthetic aperture radar imaging- algorithm and implement