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High‐order method‐of‐moments solution of the scattering by three‐dimensional PEC bodies using quadrature‐based point matching
Author(s) -
Gedney Stephen D.
Publication year - 2001
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.1162
Subject(s) - discretization , nyström method , integral equation , mathematical analysis , point set registration , scattering , quadrature (astronomy) , electric field integral equation , mathematics , basis function , exponential function , method of moments (probability theory) , physics , point (geometry) , optics , geometry , statistics , estimator
In this paper, a novel high‐order method‐of‐moments solution of the electric‐ and magnetic‐field integral equations is presented. It is shown that, after choosing a smooth set of basis and testing functions, a simple transformation can be performed rendering a point‐based discretization of the integral equation at discrete quadrature points. Through numerical studies, it is shown that the proposed method results in exponential error convergence of the RCS for smooth three‐dimensional scattering structures. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 29: 303–309, 2001.