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Wideband analysis of electromagnetic scattering from partially inhomogeneous dielectric bodies-of-revolution with the use of macromodels

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1 Author(s)
Kucharski, A.A. ; Wroclaw Univ. of Technol., Wroclaw

In this paper previously introduced idea of so-called integral equation macromodels (IEMs) is applied to problems involving scattering from inhomogeneous dielectric bodies, characterized by the rotational symmetry. The problem is formulated in terms of the volume-surface integral equation, where volume currents account for inhomogeneous parts of dielectric. Next, the volume currents are eliminated from the set, which leads to well-known domain-decomposition method (DDM), where the final equation to be solved for a given excitation mechanism, incorporates only surface currents. Then, the DDM is combined with the wideband approximation technique, namely asymptotic waveform evaluation (AWE), resulting in a scattering model valid over certain frequency interval.

Published in:

Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on

Date of Conference:

23-27 March 2009