Journal of Systems Engineering and Electronics ›› 2011, Vol. 33 ›› Issue (1): 42-0047.doi: 10.3969/j.issn.1001506X.2011.01.09

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Modeling of dynamic radar signatures for ships on time-varying sea surface

XU Xiao-jian,JIANG Dan,LI Xiao-fei   

  1. School of Electronics and Information Engineering, Beihang University, Beijing 100191, China
  • Online:2011-01-20 Published:2010-01-03

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Abstract:

A radar signature generation model for ships on time-varying sea surface is proposed. The multipath electromagnetic (EM) scattering model, the time-evolving complex reflection coefficient model for sea surfaces and the ship motion dynamics are developed. A radar signature model for ships over time-evolving sea surface is then established based on the above three models in conjunction with high-frequency asymptotic techniques for EM scattering calculation. The model is validated by measured data for a buoy over sea surface. The time-varying scattering signatures for a typical ship on time-evolving sea surface are simulated and analyzed.

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