雷达间的同频干扰属于雷达内部电磁兼容问题的一部分。同频干扰严重影响雷达对目标的正常探测与跟踪，严重时会导致接收机前端损坏，需采用抗干扰措施消除。对雷达同频干扰的危害进行介绍，分析同频干扰产生的机理，给出了降低或消除雷达同频干扰的有效技术措施。结果表明，雷达间同频干扰产生方式多样，抗干扰措施可以有效降低同频干扰，但都存在局限性。消除同频干扰最好在雷达设计之初就总体考虑。%The shared⁃frequency jamming between radars is a part of electromagnetic compatibility within the radars essen⁃tially. It should be eliminated with anti⁃jamming measures because it may effect the radars’normal detection and tracking to tar⁃gets,even damage the receiver front⁃end if the jamming is serious. In this paper,the harm of the shared⁃frequency jamming is introduced,the cause of radar shared frequency interference phenomenon is analyzed,and the technical measures to eliminate radar shared⁃frequency jamming are presented. The results show that the occurrence forms of shared⁃frequency jamming are various,anti⁃interference measures can effectively reduce the radar shared⁃frequency jamming,but they have limitation;and the best way to eliminate the radar shared⁃frequency jamming is to consider it at the begging of the radar design.
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