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Directive beam expansions for the generalized multipole technique
Author(s) -
Sabariego R. V.,
Landesa L.,
Obelleiro F.
Publication year - 1999
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/(sici)1098-2760(19990920)22:6<382::aid-mop4>3.0.co;2-b
Subject(s) - multipole expansion , directive , microwave , matrix (chemical analysis) , scattering , beam (structure) , impedance parameters , fast multipole method , physics , computational physics , computer science , mathematics , mathematical optimization , electrical impedance , optics , quantum mechanics , chemistry , programming language , chromatography
In recent years, the generalized multipole technique (GMT) and other fictitious source methods have been widely used to solve electromagnetic scattering problems. Nevertheless, these methods have been shown to be very sensitive to the source locations, and often produce ill‐conditioned matrix systems. The current approach suggests a kind of synthesized directive expansion to reduce the dependence on the source locations, the condition number of the impedance matrix, and the number of unknowns. ©1999 John Wiley & Sons, Inc. Microwave Opt Technol Lett 22: 382–387, 1999