Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)
- 2002.07a
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- Pages.545-548
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- 2002
A Unidirectional Beam Antenna using a Probe Excited Circular Ring near the Reflector
- Phongcharoenpanich, Chuwong (King Mongkut′s Institute of Technology Ladkrabang) ;
- Lamultree, Suthasinee (King Mongkut′s Institute of Technology Ladkrabang) ;
- Kosulvit, Sompol (King Mongkut′s Institute of Technology Ladkrabang) ;
- Krairiksh, Monai (King Mongkut′s Institute of Technology Ladkrabang)
- Published : 2002.07.01
Abstract
This paper proposes a unidirectional beam antenna using a probe excited circular ring near the reflector. The antenna structure is simple. The radiation characteristics of the antenna fur various spacing between a probe excited circular ring and the reflector are analyzed. These characteristics are also compared with the conventional single aperture near the reflector. It is found that the proposed structure yields better characteristics than the conventional structure. The numerical results of the radiation pattern, elevational beam peak, beamwidth, and maximum directivity are investigated. The result of the analysis is very useful to design the antenna of the high directivity with unidirectional beam.
Keywords