Postprint version. Published in IEEE Transactions On Antennas And Propagation, Volume 49, Issue 3, March 1, 2001, pages 354-360.
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The definitive version is available at http://dx.doi.org/10.1109/8.918608
NOTE: At the time of publication, the author Dean Arakaki was not yet affiliated with Cal Poly.
This paper presents an efficient method to solve a large body scattering problem, viz. a paraboloid reflector antenna system, with only partial circular symmetry. The asymmetry in the system is introduced by two factors, viz. the microstrip feed and an inhomogeneous radome. The paper presents a novel approach, based on the equivalence and reciprocity principles and the “equivalent” aperture theory, to overcome the asymmetry problem. The technique thereby enables substantial computational efficiencies by analyzing the majority of the three-dimensional (3-D) computational domain in an effective two-dimensional (2-D) simulation, with the remainder being analyzed using a 3-D algorithm.
Electrical and Computer Engineering