The simulation results show that the ambiguity is depressed while the beamwidth and the side lobe level are well controlled via this method, which is quite helpful to spaceborne SAR system designing.

• 仿真结果表明，这种方法很好地抑制了模糊度，同时控制了主瓣宽度和副瓣电平，对星载SAR系统设计具有实际意义。