Volume 13 Issue 5
Sep.  2024
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Article Navigation >  Journal of Radars  > 2024  >  13(5): 1037-1048
WANG Yingfu, YIN Jiapeng, LU Zhonghao, et al. Analysis of the influence of distributed interrupted-sampling repeating signals on airborne interferometer parameter measurements[J]. Journal of Radars, 2024, 13(5): 1037–1048. doi: 10.12000/JR24090
Citation: WANG Yingfu, YIN Jiapeng, LU Zhonghao, et al. Analysis of the influence of distributed interrupted-sampling repeating signals on airborne interferometer parameter measurements[J]. Journal of Radars, 2024, 13(5): 1037–1048. doi: 10.12000/JR24090
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Analysis of the Influence of Distributed Interrupted-sampling Repeating Signals on Airborne Interferometer Parameter Measurements

DOI: 10.12000/JR24090 CSTR: 32380.14.JR24090
  • 1.

    State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, National University of Defense Technology, Changsha 410073, China

  • 2.

    State Key Laboratory of Automatic Target Recognition, National University of Defense Technology, Changsha 410073, China

Funds:  The National Ministries Foundation
More Information
  • Corresponding author: YIN Jiapeng, yinjiapeng@nudt.edu.cn
  • Received Date: 2024-05-16
  • Rev Recd Date: 2024-06-20
    • Available Online: 2024-06-24
  • Publish Date: 2024-07-05
    Abstract
  • In the context of counter-reconnaissance against airborne interferometers, this study proposes a jamming method designed to disrupt the parameter measurement capabilities of interferometers by generating distributed signals based on an interrupted-sampling repeating technique. An emitter and a transmitting jammer are combined to form a distributed jamming system. The transmitting jammer samples the emitter signal and transmits the repeating signal to an interferometer. A quasi-synchronization constraint is established according to the change in the positional relation between the airborne interferometer and the jamming system. Additionally, a model for the superposition of distributed signals is provided. Then, the mathematical principle underlying distributed signal jamming is expounded according to the pulse spatial and temporal parameter measurement using the interferometer system. Moreover, the influence of various signal parameters on the jamming effect is analyzed to propose a principle for distributed signal design. Simulation and darkroom experiments show that the proposed method can effectively disrupt the accurate measurement of the pulse spatial domain and time domain parameters, such as azimuth-of-arrival, pulse width, and repetition interval.

     

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