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| Inter-pulse Periodical Shift-frequency Jamming Against Synthetic Aperture Radar |
| CHANG Xin DONG Chunxi TANG Zhengzhao DONG Yangyang LIU Mingming |
(School of Electronic Engineering, Xidian University, Xi’an 710071, China)
(State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, Luoyang 471003, China) |
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Abstract The regular false targets which are generated by the intermittent sampling repeater jamming can be easily recognized. To overcome this disadvantage, an inter-pulse periodical shift-frequency jamming method is proposed against Synthetic Aperture Radar (SAR). Combining the intermittent sampling jamming method with Doppler shift-frequency jamming method, the dense false targets can be produced by sectionalized modulation. Firstly, theoretical analysis shows that the two dimensional dense false targets with suppression effect can be produced ahead of the designated location of the jammer, and the main false target is deviated from the jammer in the azimuth. Moreover, the effect of the jamming and the factors are discussed. Subsequently, the model based on obtaining the jamming parameters is established and the energy compensation coefficient of false targets is also given. Finally, the validity is preliminarily verified by simulation experiments.
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Received: 10 May 2017
Published: 04 December 2017
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| Fund:973 Program of China (61**81**) |
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Corresponding Authors:
DONG Chunxi
E-mail: chxdong@mail.xidian.edu.cn
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