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Simulation of ship generated turbulent and vortical wake imaging by SAR

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Journal of Electronics (China)

Abstract

Synthetic Aperture Radar (SAR) imaging of ocean surface features is studied. The simulation of the turbulent and vortical features generated by a moving ship and SAR imaging of these wakes is carried out. The turbulent wake damping the ocean surface capillary waves may be partially responsible for the suppression of surface waves near the ship track. The vortex pair generating a change in the lateral flow field behind the ship may be partially responsible for an enhancement of the waves near the edges of the smooth area. These hydrodynamic phenomena as well as the changes of radar backscatter generated by turbulence and vortex are simulated. An SAR imaging model is then used on such ocean surface features to provide SAR images. Comparison of two ships’ simulated SAR images shows that the wake features are different for various ship parameters.

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Authors and Affiliations

  1. The Nat. Key Lab of Microwave Imag. Tech., Inst. of Electron., Chinese Academy of Sci., 100080, Beijing

    Wang Aiming & Zhu Minhui

Authors
  1. Wang Aiming
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  2. Zhu Minhui
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Cite this article

Wang, A., Zhu, M. Simulation of ship generated turbulent and vortical wake imaging by SAR. J. of Electron.(China) 21, 64–71 (2004). https://doi.org/10.1007/BF02687799

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  • DOI: https://doi.org/10.1007/BF02687799

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