Measurement of RCS from a Dielectric Coated Cylindrical Cavity and Calculation Using IPO-EIBC

Masato TADOKORO  Kohei HONGO  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E85-C   No.9   pp.1692-1696
Publication Date: 2002/09/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
electromagnetic scattering,  radar cross section,  cavity,  iterative physical optics,  impedance boundary conditions,  

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Summary: 
The radar cross section (RCS) of a dielectric-coated cylindrical cavity was measured and the measurements were compared with those calculated according to the iterative physical optics (IPO). The IPO analysis used the equivalent-impedance boundary condition (EIBC) based on transmission-line theory which takes into account the thickness of the coating. It was consequently found that this condition is much more effective than the ordinary-impedance boundary condition based on the intrinsic impedance of the material.