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Cluster Computing

, Volume 22, Supplement 6, pp 14367–14375 | Cite as

Smeared spectrum jamming suppression based on time unit analysis and polarization cancellation

  • Xin LiEmail author
  • Chunyang Wang
  • Hui Yuan
  • Junpeng Shi
Article
  • 34 Downloads

Abstract

By analyzing the time structure after pulse compression, an electronic counter-countermeasure (ECCM) combining time unit analysis and polarization cancellation is proposed in this paper to counter smeared spectrum (SMSP) jamming, which is an effective jamming type to linear frequency modulation (LFM) signals. The stretch processing to receive signals in main and auxiliary channels is firstly done and the time structure differences of pulse compression results are analyzed. Based on the time structure differences, the main-to-auxiliary ratio is defined, and the characteristics of this function in different time units are analyzed. According to the statistical parameter of modulus and phase ratio in different time units, the jamming suppression factor is computed by searching the jamming-only time unit. The influences of background noise and polarization purity are analyzed finally. Some computer simulation results are given to prove the effectiveness of the proposed method.

Keywords

Smeared spectrum (SMSP) jamming Linear frequency modulation (LFM) signal Time units analysis Polarization cancellation 

Notes

Acknowledgements

This work was supported by the National Science Foundation of China (Grant No. 61601502).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Air and Missile Defense CollegeAir Force Engineering UniversityXi’anChina

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