对逆合成孔径雷达欺骗干扰技术

Deception Jamming Technique for ISAR

逆合成孔径雷达具有极高的两维分辨率，可对运动目标进行精确的成像跟踪，在导弹防御体系中占有重要的地位，同时其信号处理增益极高，具有较强的抗干扰能力，因此，传统的干扰方式很难起到对抗效果。利用数字存储和信号处理技术，可根据雷达信号产生两维相参的干扰信号，利用较小的辐射功率实现对抗的目的，是ISAR对抗的首选手段。

ISAR is of high 2-D resolution and is at the important position in the missile defense sys- tem. Because of very high signal process gain, ISAR has better anti-jamming capability. Conven- tional jamming modes are hard to prove effective to ISAR. Using digital memory and signal process- ing technique, coherent jamming signal can be obtained according to radar signal. The method given realizes the aim of jamming radar at a cost of lower radiation power. So the method is the first choice to counter ISAR.