Volume 11 Issue 2
Apr.  2022
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Article Navigation >  Journal of Radars  > 2022  >  11(2): 213-226
CUI Guolong, FAN Tao, KONG Yukai, et al. Pseudo-random agility technology for interpulse waveform parameters in airborne radar[J]. Journal of Radars, 2022, 11(2): 213–226. doi: 10.12000/JR21189
Citation: CUI Guolong, FAN Tao, KONG Yukai, et al. Pseudo-random agility technology for interpulse waveform parameters in airborne radar[J]. Journal of Radars, 2022, 11(2): 213–226. doi: 10.12000/JR21189
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Pseudo-random Agility Technology for Interpulse Waveform Parameters in Airborne Radar

DOI: 10.12000/JR21189
  • 1.

    School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

  • 2.

    Beijing Institute of Radio Measurement, Beijing 100854, China

Funds:  The National Natural Science Foundation of China (61771109, U19B2017, 62101097), The Chang Jiang Scholars Program, China Postdoctoral Science Foundation (2020M680147, 2021T140096)
More Information
  • Corresponding author: CUI Guolong, cuiguolong@uestc.edu.cn
  • Received Date: 2021-11-26
  • Accepted Date: 2022-03-16
  • Rev Recd Date: 2022-03-10
    • Available Online: 2022-03-18
  • Publish Date: 2022-04-11
    Abstract
  • The pseudo-random agility technology for interpulse waveform parameters in airborne radar increases the complexity and uncertainty of radar waveform and improves its anti-clutter and anti-interference ability by optimizing the pulse repetition interval, initial phase, frequency, and amplitude, which is one of the main developmental directions of airborne radar technology. The pseudo-random agility of interpulse parameters makes multi-pulse coherent accumulation and modeling of clutter spectrum characteristics difficult. In this paper, a pseudo-random agility signal model of interpulse parameters is established. Furthermore, a non-uniform parameter coherent processing method is proposed, and the anti-interference performance is analyzed. Based on the analysis, the clutter echo model of airborne radar with random pulse repetition interval is studied, and a joint transmitter-receiver filter design is proposed for strong clutter processing. Finally, numerical simulation is conducted to verify the results.

     

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