In order to dispose the ground to air radar jammers validly for point air defense, it is necessary to simulate the effective jamming area under different dispositions of one jammer and more. 为了解决地对空雷达干扰系统在对要地实施防空时干扰站应如何合理配置的问题,对单部干扰站及多部干扰站在不同配置情况下的有效干扰区进行了仿真。