Combined FEM/MOM technique of coupling and radiating apertures in rectangular waveguide

A. J. Sangster, Hanyang Wang

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Waveguide coupling and radiation by means of apertures is modelled using a hybrid technique which combines the finite element method with the moment method. Unlike the conventional pulse expansion and point matching technique, it ensures the convergence of the resultant admittance matrix elements without introducing any assumptions about the field distribution on the apertures. Coupling and radiation problems formed by a conventional transverse slot in rectangular waveguide and a complex T-shaped slot in a bifurcated waveguide are examined respectively, and excellent agreement has been obtained for both cases when compared both with alternative theoretical predictions and with measurements.

Original languageEnglish
Pages (from-to)1554-1557
Number of pages4
JournalIEEE Transactions on Magnetics
Issue number3 pt 1
Publication statusPublished - May 1995
EventProceedings of the 6th Biennial IEEE Conference on Electromagnetic Field Computation - Grenoble, Fr
Duration: 5 Jul 19947 Jul 1994


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