机载SAR有源干扰分析与比较

机载合成孔径雷达的干扰是当前电子对抗领域关注的焦点问题.在首先介绍了几种常用的SAR有源干扰方法的基础上,重点阐述了相干干扰的工作原理.然后,从压制系数出发,推算出了达到SAR压制系数条件下,不同干扰方式的功率表达式.结合仿真结果,对不同干扰方法的干扰性能进行了评估和比较.最后,针对各种干扰方法的性能优缺点,提出了综合运用多种方法对机载SAR进行有源干扰的作战策略.对机载SAR有源压制干扰的作战应用具备一定的指导意义.

Comparative Analysis of Active Jamming to Airborne SAR

Nowadays the jamming to airborne SAR is a focus of interest.Several kinds of active jamming methods to SAR are introduced,with emphasis on the principle of coherent jamming.Then,starting with the suppression coefficient,the interference power expressions of different jamming methods at the same suppression coefficient.Combined with simulation,the performances of different jamming methods are assessed and compared.At the last,aiming at the advantages and disadvantages of the methods,the way of comprehensive utilization of these active jamming methods to deal with the airborne SAR is given.