Joint azimuth-range jamming for ISAR based on time delay
Li Botao, Dong Wenfeng, Du Yuansong and 1 more
The Journal of Engineering · 2019
doi:10.1049/joe.2019.0363 (opens in a new tab)
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Abstract
Aiming at the problem that azimuth cosinusoidal phase-modulation cannot be directly implemented in application, and two-dimensional modulation can only be carried out in azimuth and distance, respectively, a joint azimuth-range jamming method based on time delay for ISAR is proposed. The ISAR signal captured by jammer is delayed in the fast time domain. The ISAR signal captured by jammer is then delayed in the fast time domain to achieve the cosinusoidal phase-modulation because the time delay is a function of slow time. The blind frequency shift modulation term is introduced at the same time. The simulation results show that the target will be completely submerged in the multiple jamming strips formed by the jamming signal, and the feasibility and effectiveness of the method are verified.
Abstract licence: CC BY-ND
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