A hybrid FEM/MOM analysis for the scattering and radiating properties of a slot in slotted-waveguide array antennas

A. J. Sangster, Hanyang Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A hybrid technique is proposed for the analysis of radiating elements in slotted-waveguide antennas. Unlike conventional approaches, the technique formulates the field in the geometrically discretised aperture or slot in terms of a functional. Consequently, the requirements to provide a dyadic Green's function for the aperture or an attenuated field model in an equivalent branch waveguide, as we encountered in the conventional moment method, are avoided, and hence it has the ability to treat irregularly shaped coupling or radiating apertures. Comparisons with the conventional moment method, for a typical radiating slot geometry, are presented and these confirm the validity of the proposed technique. It is intended to extend the method to examine the problem of radiating T-shaped apertures in bifurcated waveguide.

Original languageEnglish
Title of host publicationIEE Conference Publication
Pages386-389
Number of pages4
Edition384
Publication statusPublished - 1994
EventProceedings of the 2nd International Conference on Computation in Electromagnetics - Nottingham, UK
Duration: 12 Apr 199414 Apr 1994

Conference

ConferenceProceedings of the 2nd International Conference on Computation in Electromagnetics
CityNottingham, UK
Period12/04/9414/04/94

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