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The New Mathematical Model of Motion Compensation for Stepped-Frequency Radar Signal

Author

Listed:
  • Yun Lin
  • Xiaochun Xu
  • Jinfeng Pang
  • Bin Li
  • Ruolin Zhou

Abstract

When a stepped-frequency radar is used to obtain the high-resolution range profile (HRRP) of high-speed target, accurate speed estimation and motion compensation must be considered. Therefore, in this paper, a novel mathematical method is presented for estimating the target speed. Firstly, the pulse Doppler method is used to calculate the initial estimation value. Secondly, based on the initial estimation value, the minimum entropy method is used to calculate the coarse estimation value. Finally, based on the coarse estimation value, the minimum -Norms method is used to calculate the accurate estimation value. The numeric simulation results confirm that this new method is effective and predominant, which has a much higher estimation accuracy in a low SNR and a much larger estimation range of target speed. The final estimation value can be used to well compensate for the influence of target speed on HRRP.

Suggested Citation

  • Yun Lin & Xiaochun Xu & Jinfeng Pang & Bin Li & Ruolin Zhou, 2014. "The New Mathematical Model of Motion Compensation for Stepped-Frequency Radar Signal," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-9, January.
    • Handle: RePEc:hin:jnlmpe:142482
    DOI: 10.1155/2014/142482
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