Radome Enclosed Circularly Polarized Antenna System with Enhanced Beamwidth
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Pradhan, Suman
Gupta, Bhaskar
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Mark
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Společnost pro radioelektronické inženýrství
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Abstract
This paper presents a circularly polarized (CP) patch antenna system enclosed by a nosecone radome which has a wide beam response. A U-slot loaded corner truncated patch antenna is mounted upon a conical ground structure for achieving the wide beam response. When two such antennas, one Right Handed CP (RHCP) and another Left Handed CP (LHCP) are placed inside a nosecone radome, a drastic reduction in the antenna beamwidth is observed. Finally a metallic conical ring is added to the structure which improves the beamwidth of the antenna and we achieve a beamwidth of 74° and 120° in the ϕ=0° and ϕ=90° planes respectively. The antenna system also provides a good axial ratio bandwidth performance.
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Radioengineering. 2022 vol. 31, č. 1, s. 54-61. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2022/22_01_0054_0061.pdf
https://www.radioeng.cz/fulltexts/2022/22_01_0054_0061.pdf
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en
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Except where otherwised noted, this item's license is described as Creative Commons Attribution 4.0 International license