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《Chinese Journal of Geophysics》 2012-10
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A formulation of electromagnetic scattering polarization kernel function on random rough sea surfaces

GAO Guo-Xing1,2,WANG Zhen-Zhan2 1 Navy Submarine Academy,Qingdao 266071,China 2 Center for Space Science and Applied Research,Chinese Academy of Sciences,Beijing 100191,China  
According to magnetic field integration equation,a formulation of approximate scattering polarization kernel function from a second iteration of surface current integral equation is proposed and analyzed for the scattering from rough surfaces.This kernel function is derived by an extension Kirchhoff Approximation model,and hence so-called the Extended Kirchhoff Approximation model(EKA).Elfouhaily had adopted an approach similar to Holliday′s to derive the formulation of the scattering field from perfectly conducting surfaces and obtained a result including a polarization kernel vector that depends on the slope term,which was referred as the supplementary field term by Elfouhaily.In this paper,we present a full form of polarization vector kernel function for bistatic scattering from rough surface,according to an approximated model.Then the theoretical results are given by considering the configuration of back-scattering and compared with the Elfouhaily′s model.This analysis is important for the comprehension of the polarization kernel vector function for the electromagnetic scattering of rough surface.
【Fund】: 国家高技术研究发展计划(863)项目(2007AA092116)资助
【CateGory Index】: TN011
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