Rahman, N. H. A. and Ali, M. T. and Islam, M. T. and Yamada, Y. (2016) Improvement of contoured beam characteristics of a parabolic reflector antenna by asymmetrically distributed array feed. In: 4th IEEE Asia-Pacific Conference on Antennas and Propagation, APCAP 2015, 30 Jun - 3 July 2015, Indonesia.
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Abstract
Precise contoured beam is important especially in broadcasting satellite application. In order to achieve a precise contoured beam for Malaysia, selection of feed structures is very important. In this paper, feed structures for horn antenna and array antenna are studied for a parabolic reflector antenna system. Feed positions of the feed structures are determined by a newly developed feed position graph. For the case of a horn feed, a problem with regards to its physical dimension is shown. By employing array feed, precise contoured beams are achieved. The actual performance and accuracy of contoured beams are ensured through electromagnetic simulations in FEKO.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | feeds, ray tracing, Reflector, satellite antennas |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Malaysia-Japan International Institute of Technology |
| ID Code: | 73478 |
| Deposited By: | Mohd Zulaihi Zainudin |
| Deposited On: | 26 Nov 2017 03:37 |
| Last Modified: | 26 Nov 2017 03:37 |
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