Platform echo and cross‐eye jamming against active‐passive composite monopulse radars

Abstract Active‐passive composite monopulse radar (APCMR) enhances the anti‐jamming capability by combing the advantages of active radars and passive radars. Previous studies have discussed the effectiveness of cross‐eye jamming against APCMR in a simplified scenario for isolating platform echo. In this paper, platform echo and cross‐eye jamming signals are jointly considered to analyse the jamming performance on APCMR. A mathematical model of the cross‐eye jamming against APCMR is established in the presence of the platform echo, and the jamming performance on active radar and passive radar is evaluated and compared in terms of cross‐eye gain and its probability. In order to ensure the jamming performance on both active and passive radars, a guideline for the setting of jammer parameters is proposed based on numerical simulations. The study can provide theoretical foundation for the design and application of cross‐eye jammers.