Triangular-Domain Basis Functions for Full-Wave Analysis of Microstrip Discontinuities

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)1187-1194
Journal / PublicationIEEE Transactions on Microwave Theory and Techniques
Issue number6/7
Publication statusPublished - Jun 1993
Externally publishedYes


A numerical technique for computing the S-para-meters of arbitrarily shaped microstrip discontinuities and interconnects is presented. The microstrip conducing surface is rendered in a triangular discretization. Unknown currents are expanded with triangular-domain basis functions in a method of moments solution to the mixed-potential integral equation (MPIE). Triangular basis functions offer several advantages over rectangular subdomain functions, including their ability to conform readily to arbitrary geometries without “staircase” effect Examples comparing triangular-domain modeling with rectangular-domain modeling and experiment are given. © 1993 IEEE