Conical Horn Antennas Employing an Offset Moment Method and Mode Matching Technique

Conical Horn Antennas Employing an Offset Moment Method and Mode Matching Technique

A Hybrid technique for the analysis of conical horn antennas is presented based on a rigorous description of the horn aperture-free space discontinuity. The transition from the feeding waveguide to the radiating aperture is analyzed by using the mode matching technique (MMT) employing a stepped-wave...

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Veröffentlicht in:IEEE transactions on magnetics 2009-03, Vol.45 (3), p.1092-1095
Hauptverfasser: Diamantis, S.G., Orfanidis, A.P., Kyriacou, G.A.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna accessories
Antenna feeds
Apertures
Cross-disciplinary physics: materials science
rheology
Discontinuity
Electromagnetic waveguides
Exact sciences and technology
Horn antennas
Horns
Magnetism
Matching
Materials science
Mathematical models
mode matching methods
Moment methods
Offsets
Other topics in materials science
Physics
Reflector antennas
Waveguide discontinuities
Waveguide junctions
Waveguide transitions
Waveguides
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Beschreibung
Zusammenfassung:A Hybrid technique for the analysis of conical horn antennas is presented based on a rigorous description of the horn aperture-free space discontinuity. The transition from the feeding waveguide to the radiating aperture is analyzed by using the mode matching technique (MMT) employing a stepped-waveguide approach. The discontinuity between the horn aperture and free space is modeled by combining an offset Moment Method with the MMT for the last waveguide section. Results for the input standing wave ratio are given and compared with commercial software results which demonstrate the very good performance of the method.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2012629