Scattering of an Electromagnetic Plane Wave by a Plane with Local Change of Surface Impedance

Michinari SHIMODA
Ryuichi IWAKI
Masazumi MIYOSHI

Publication
IEICE TRANSACTIONS on Electronics   Vol.E87-C    No.1    pp.44-51
Publication Date: 2004/01/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electromagnetic Theory
Keyword: 
scattering of electromagnetic waves,  mixed boundary-value problems,  inhomogeneous impedance boundary,  Fourier analysis,  

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Summary: 
The electromagnetic scattering of a plane wave by an inhomogeneous plane whose surface impedance changes locally on the plane is treated. A boundary-value problem is formulated to describe the scattering phenomenon, in which the boundary condition depends on the surface impedance of the plane. Application of the Fourier transform derives an integral equation, which is approximately solved by the method of least-squares. From the solution of the equation, the scattered field is obtained by the inverse Fourier transform. By the use of the incomplete Lipschitz-Hankel integral for the computation of the field, numerical examples are given and the scattering phenomenon is discussed.