A Coupled Analytical-Finite Element Technique for the Calculation of Radiation From Tilted Rectangular Waveguide Slot Antennas

In this paper, we present a coupled calculation technique based on space segmentation for the calculation of radiation from tilted rectangular waveguide slot antennas. The basic idea of the method is the segmentation of the antenna into two space regions: an internal one, formed by the waveguide, an...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2008-06, Vol.44 (6), p.1666-1669
Main Authors: Benko, P.T., Ladanyi-Turoczy, B., Pavo, J.
Format: Article
Language:English
Subjects:
Antenna radiation patterns
Antenna theory
Broadband antennas
Coupled techniques
Cross-disciplinary physics: materials science
rheology
Electromagnetic coupling
Electromagnetic radiation
Electromagnetic waveguides
Exact sciences and technology
Finite element methods
Magnetism
Materials science
Other topics in materials science
Physics
radiation patterns
Rectangular waveguides
Slot antennas
Waveguide theory
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Summary:In this paper, we present a coupled calculation technique based on space segmentation for the calculation of radiation from tilted rectangular waveguide slot antennas. The basic idea of the method is the segmentation of the antenna into two space regions: an internal one, formed by the waveguide, and an external one, consisting of the half space where the slots are radiating into. The internal problem is solved using finite element method, while analytical calculations are performed in the external domain. Frequency-dependent behaviour of the analyzed antenna is also investigated. Measurements taken in the 2.4- and 5.8-GHz ISM frequency bands were found to be in a good agreement with the calculated results.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2007.915981