SHIELDING CHARACTERISTICS OF AN INFINITELY EXTENDED CONDUCTING STRIP-ARRAY EMBEDDED IN MULTILAYERED DIELECTRIC CYLINDRICAL STRUCTURE

Document Type : Original Article

Authors

Egyptian Armed Forces.

Abstract

Abstract
A plane wave excitation of an infinitely extended conducting strip-array embedded in
multilayered dielectric cylinder, as a shielding structure, has been studied. Based on the
Green’s functions, the integral equation is formulated for describing the current on a
conducting strip-array. Using Galerkin's method, the surface currents on the conducting strips
are expanded in the form of series weighted Chebyshev polynomials of the first kind and the
unknown coefficients are obtained by solving a resultant system of linear equations.
The validity of the formulation and the accuracy of the numerical solution are demonstrated
for different array geometries. The numerical results depict the penetrated (near-zone) and the
scattered (far-zone) fields for four different array geometries. Some of these results are
compared to the simulated results using Zeland Fidelity Workshop (ZFW), and a good
agreement was achieved.

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