Research on the Full Polarimetric Electromagnetic Scattering Characteristics of Ocean Rough Surface

WANG Tong; TONG Chuangming; LI Ximin; JI Weijie

doi:10.11999/JEIT170924

Volume 40 Issue 6

May 2018

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WANG Tong, TONG Chuangming, LI Ximin, JI Weijie. Research on the Full Polarimetric Electromagnetic Scattering Characteristics of Ocean Rough Surface[J]. Journal of Electronics & Information Technology, 2018, 40(6): 1412-1418. doi: 10.11999/JEIT170924

Citation:

WANG Tong, TONG Chuangming, LI Ximin, JI Weijie. Research on the Full Polarimetric Electromagnetic Scattering Characteristics of Ocean Rough Surface[J]. Journal of Electronics & Information Technology, 2018, 40(6): 1412-1418. doi: 10.11999/JEIT170924

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Research on the Full Polarimetric Electromagnetic Scattering Characteristics of Ocean Rough Surface

doi: 10.11999/JEIT170924

1.
(Air Force Engineering University, Xi&rsquo
2.
(Air Force Xi&rsquo

Funds:

The National Natural Science Foundation of China (61372033)

Received Date: 2017-09-29
Rev Recd Date: 2018-01-16
Publish Date: 2018-06-19

Abstract

Abstract

Considering the fact that the classical two scale model which is based on the Geometrical Optics-Small Perturbation Method (GO-SPM) is sensitive to the cut-off wave number, a two scale model derived from the Geometrical Optics-Small Slope Approximation (GO-SSA) is established. In this model, the SPM in the classical two scale model is replaced by the first order Small Slope Approximation (SSA1). At the same time, the solution of geometrical optics for specular contribution is modified. The simulations show that GO-SSA can get the same accuracy as GO-SPM while do not need to consider the choice of cut-off wave number. The integral equation of GO-SSA is simplified based on the characteristics of Elfouhaily wave spectrum. At last, the full polarimetric scattering characteristics of Elfouhaily ocean model in monostatic and bistatic cases are simulated and analyzed. It can be found that the results of cross polarization present an interesting distribution with variation of angles which is different from classical models. In the three-dimensional results of bistatic scattering, the scattered direction with minimum value always exists in every polarization form. The value of the scattering power in this direction has relationship with the parameters of the environment, which has a potential application to the parameter inversion.
- Two scale,
- Small Slope Approximation (SSA),
- Polarimetric scattering,
- Bistatic

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References(31)

References

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