用于地基合成孔径雷达实测数据成像，信号形式为调频脉冲信号，包含有IQ解调，脉冲压缩，加窗，相位补偿等步骤，采用BP成像算法进行成像。(It is used to imaging the measured data of ground synthetic aperture radar (SAR). The signal form is a FM pulse signal, which includes IQ demodulation, p