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Optimal Choice of the E.M. Expansion for Arbitrary Shaped Aperture/Patch FSSs in Planar Phased Arrays.

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Author: Gerini, G. · Monni, S. · Zappelli, L.
Type:article
Date:2003
Publisher: IEEE
Place: Piscataway, NJ
Institution: TNO Fysisch en Elektronisch Laboratorium
Source:IEEE International Symposium on Phased Array Systems and Technology 2003, 14-17 October 2003, Boston, USA, 464-469
Identifier: 210554
doi: doi:10.1109/PAST.2003.1257026
Keywords: Antenna arrays · Apertures · Dielectrics · Frequency selective surfaces · Impedance · Laboratories · Phased arrays · Radar antennas · Shape control · Transmission line matrix methods

Abstract

In this paper, we present the analysis of frequency selective surfaces (FSS), which comprise periodic arrays of patches or apertures in conducting screens, by means of the multimode equivalent network (MEN) approach. The unknown quantities are expanded in terms of piecewise sinusoidal/linear expanding functions or in terms of full domain basis functions. The latter correspond to the eigenmodes of a waveguide with the same cross section of the FSS patch/aperture. These eigenmodes are derived using BCMM (boundary contour mode matching).