NDLI: Electromagnetic scattering of a target with strong or weak coupled underlying oceanic surface: a FEM approach with FFT accelerated iterative robin boundary condition

Content Provider	IEEE Xplore Digital Library
Author	Peng Liu Ya-Qiu Jin
Copyright Year	2005
Description	Author affiliation: Key Lab. of Wave Scattering & Remote Sensing Inf. of Minist. of Educ., Fudan Univ., Shanghai, China (Peng Liu; Ya-Qiu Jin)
Abstract	To study electromagnetic scattering of a target at high altitude above rough oceanic surface, the iterative robin boundary condition (IRBC) is employed to separate and enclose two isolate regions of the target and underlying surface. The fields in these two enclosed regions are strongly or weakly coupled by iteratively solving the scattering field integral equation in the finite element method (FEM) with updating the right-hand side residual of the robin BC. Most time consuming of the algorithm is spent on evaluating the robin BC on the fictitious planar boundary over the large-scale rough surface. The scattering field integral equation is written as the 1D (one-dimensional) convolution form and is solved efficiently by using the fast Fourier transform (FFT). This study presents a numerical description for the scattering mechanism associated with strong or weak coupled interactions of a volumetric target at various altitudes above randomly rough surface.
File Size	273962
File Format	PDF
ISBN	078039433X
DOI	10.1109/APMC.2005.1606910
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-04
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic scattering Electromagnetic coupling Sea surface Acceleration Iterative methods Boundary conditions Rough surfaces Surface roughness Integral equations Finite element methods finite element method target and rough surface electromagnetic scattering Robin boundary condition
Content Type	Text
Resource Type	Article

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