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A fast MoM approach for analyzing large arrays in a grounded multilayered medium
Author(s) -
Mahachoklertwattana Pongsak,
Pathak Prabhakar H.,
Burkholder Robert J.
Publication year - 2008
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/2008rs003834
Subject(s) - truncation (statistics) , method of moments (probability theory) , finite element method , matrix (chemical analysis) , computer science , planar , boundary (topology) , truncation error , boundary element method , element (criminal law) , algorithm , mathematics , mathematical analysis , physics , materials science , statistics , estimator , computer graphics (images) , machine learning , political science , law , composite material , thermodynamics
A fast approach is developed here to analyze large finite planar periodic arrays of elements in a grounded multilayered medium with relatively arbitrary element truncation boundaries. An array shape matrix is introduced which contains information on the array element truncation boundary, and it can be easily incorporated into preconditioned iterative method of moments matrix solvers without significantly increasing computational resources. The performance of the present approach is illustrated through numerical results.