Applicability of Impedance Boundary Condition for Approximating a Loaded Trough on a Ground Plane

Ryoichi SATO  Hiroshi SHIRAI  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E84-C   No.1   pp.123-125
Publication Date: 2001/01/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electromagnetic Theory
Keyword: 
impedance boundary condition,  SIBC,  Kobayashi and Nomura's method,  rectangular trough,  

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Summary: 
An electromagnetic wave scattering by a material loaded rectangular trough on a ground plane is approximately analyzed by using standard impedance boundary condition (SIBC). The validity of the derived approximate solution is examined by comparing with the rigorous one not only for the oblique incidence but also for the variation of both the filled material's parameters and the trough dimension. An applicability condition has been derived here for this trough structure.