Volume 5 Issue 2
Apr.  2016
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Article Navigation >  Journal of Radars  > 2016  >  5(2): 156-163
Dai Huanyao, Liu Yong, Huang Zhenyu, Zhang Yang. Detection and Identification of Multipath Jamming Method for Polarized Radar Seeker[J]. Journal of Radars, 2016, 5(2): 156-163. doi: 10.12000/JR16046
Citation: Dai Huanyao, Liu Yong, Huang Zhenyu, Zhang Yang. Detection and Identification of Multipath Jamming Method for Polarized Radar Seeker[J]. Journal of Radars, 2016, 5(2): 156-163. doi: 10.12000/JR16046
shu

Detection and Identification of Multipath Jamming Method for Polarized Radar Seeker

doi: 10.12000/JR16046
  • 1.

    (State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, Luoyang 471003, China)

  • 2.

    (The Institute of Effectiveness Evaluation of Flying Vehicle, Beijing 100085, China

Funds:

The National Natural Science Foundation of China (61301236, 61401469)

  • Received Date: 2016-03-01
  • Rev Recd Date: 2016-04-10
  • Publish Date: 2016-04-28
    Abstract
  • Multipath jamming is an effective self-defense jamming mode used to counter airborne fire-control radar or radar seekers. Multipath jamming has a deceptive jamming effect on the range, velocity, and angle of radar, making it difficult to identify and suppress. In this study, a polarized radar seeker structure is proposed. Based on the mechanism of the multipath jamming effect on radar, orthogonal polarization signal models of jamming and direct arrived signal are established. Next, a method to detect multipath jamming based on statistical property differences of polarization phases is proposed. The physical connotation of this method is clear and easy to realize. This method can be used to determine the presence of a jamming signal and identify the signal pattern and polarization types. The feasibility of this method has been verified via a simulation experiment, thereby demonstrating that the method serves as a useful reference for effectively countering multipath jamming.

     

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