Application of Trapezoidal-Shaped Characteristic Basis Functions to Arrays of Electrically Interconnected Antenna Elements

R. Maaskant, R. Mittra, A.G. Tijhuis

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

17 Citations (Scopus)

Abstract

This paper describes a novel technique for generating the characteristic basis functions (CBFs) used to represent the surface currents on finite arrays of electrically interconnected antenna elements. The CBFs are high-level basis functions, defined on subdomains in which the original problem is divided. They are initially generated on extended subdomains; next, an easy-to-implement windowing technique is applied to them to truncate the undesired singularities in the currents generated at the artificial edges of the subdomains. The envelope of the window is trapezoidal in shape and we deliberately introduce a certain amount of overlap between the supports of the CBFs to ensure the continuity of the currents across the common interface between the adjacent subdomains. The accuracy and effectiveness of this method is demonstrated for a moderate as well as a large size array of tapered slot antennas (TSAs).
Original languageEnglish
Title of host publicationProceeding of the 2007 International Conference on Electromagnetics in Advanced Applications (ICEAA 2007) 17-21 September 2007, Torino, Italy
EditorsR.D. Graglia
Place of PublicationTorino, Italy
PublisherPolitecnico di Torino
Pages567-571
ISBN (Print)978-1-424-40766-8
DOIs
Publication statusPublished - 2007
Event10th International Conference on Electromagnetics in Advanced Applications (ICEAA 2007) - Torino, Italy
Duration: 17 Sep 200721 Sep 2007
Conference number: 10

Conference

Conference10th International Conference on Electromagnetics in Advanced Applications (ICEAA 2007)
Abbreviated titleICEAA 2007
Country/TerritoryItaly
CityTorino
Period17/09/0721/09/07

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