产生步进频率连续波及脉冲波形，及其相应频谱-Produces a step frequency continuous spread pulse waveform and its corresponding spectrum

可以处理基于步进频率连续波的GPR数据，stripmap SAR方法可以很好的聚焦图像-processing GPR data based on SFCW,and the stripmap SAR algorithm can obtain better image