Modeling of the bistatic electromagnetic scattering from sea surfaces covered in oil for microwave applications

被引：47
|
作者：
Pinel, Nicolas [1 ]
Dechamps, Nicolas [1 ]
Bourlier, Christophe [1 ]
机构：
[1] Univ Nantes, EPUN, IREENA Lab, Radar Team, F-44306 Nantes 03, France
来源：
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2008年 / 46卷 / 02期
关键词：
ocean remote sensing; radar scattering; scattering by rough surfaces; sea surface;
D O I：
10.1109/TGRS.2007.902412
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
This paper describes the influence of oil pollution over sea surfaces on the height spectrum and the height auto correlation function of rough surfaces. An oil slick damps the capillarity waves of the surface height spectrum and reduces the root mean square slope of the surface. These modified functions then have an influence on the radar cross section (RCS) from contaminated sea surfaces. The bistatic RCS of the contaminated sea surface is then presented by comparison with a clean sea: results from a benchmark numerical model are presented and compared with a new semiempirical model using the geometric optics approximation and then the first-order smallslope approximation.
引用
收藏
页码：385 / 392
页数：8
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