Volume 4 Issue 3
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Wei Yi-wen, Guo Li-xin, Yin Hong-cheng. Analysis of the Scattering Characteristics of Sea Surface with the Influence from Internal Wave[J]. Journal of Radars, 2015, 4(3): 326-333. doi: 10.12000/JR15060
Citation: Wei Yi-wen, Guo Li-xin, Yin Hong-cheng. Analysis of the Scattering Characteristics of Sea Surface with the Influence from Internal Wave[J]. Journal of Radars, 2015, 4(3): 326-333. doi: 10.12000/JR15060
shu

Analysis of the Scattering Characteristics of Sea Surface with the Influence from Internal Wave

DOI: 10.12000/JR15060
  • 1.

    (State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an 710071, China)

  • 2.

    (School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China)

  • 3.

    (National Electromagnetic Scattering Laboratory, Beijing 100854, China)

  • Received Date: 2015-05-18
  • Rev Recd Date: 2015-06-15
  • Publish Date: 2015-06-28
    Abstract
  • The internal wave travels beneath the sea surface and modulate the roughness of the sea surface through the wave-current interaction. This makes some dark and bright bands can be observed in the Synthetic Aperture Radar (SAR) images. In this paper, we first establish the profile of the internal wave based on the KdV equations; then, the action balance equation and the wave-current interaction source function are used to modify the sea spectrum; finally, the two-scale theory based facet model is combined with the modified sea spectrum to calculate the scattering characteristics of the sea. We have simulated the scattering coefficient distribution of the sea with an internal wave traveling through. The influence on the scattering coefficients and the Doppler spectra under different internal wave parameters and sea state parameters are analyzed.

     

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    • References(16)
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