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A cellular-space-division-based method of moments algorithm for the pattern analysis of printed-circuit radiators

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2 Author(s)
M. Gimersky ; Spar Aerosp. Ltd., Ste-Anne-de-Bellevue, Que., Canada ; J. Bornemann

A cellular-space-division-based method of moments (MoM) algorithm for the analysis of geometries involving imperfectly conducting planar radiators as well as lossy and finite-extent dielectric substrates is presented. Since the technique, via the volume equivalence theorem, replaces the structure under analysis with an equivalent structure composed of thin-wall cells, modeling of the surrounding environment is not required, hence, completely avoiding the need for absorbing boundary conditions. Real (as opposed to perfect) material parameters are incorporated via properly defined surface impedances. Several examples of radiation patterns (including radiation underneath the ground plane of a finite-extent substrate) of planar geometries are presented. The calculated patterns are compared with measured results and are found to be in good agreement

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:46 ,  Issue: 5 )