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- Title
Linearly polarised radial line slot antenna for high-power microwave application.
- Authors
Shengren Peng; Chengwei Yuan; Ting Shu; Xuelong Zhao
- Abstract
An all-metal linearly polarised radial line slot antenna without dielectric is proposed in this study. As a result of this study, new design suggestions have been introduced which greatly contribute to the performance improvement of this type of antennas for high power microwave application. An antenna prototype operating at 9.27 GHz was designed with a height of 10 cm and an aperture radius of 25.5 cm. Experimental measurements show that at the centre frequency, the antenna gain reaches 31.3 dBi, an aperture efficiency of 55%, return loss is less than -20 dB. The radiation patterns indicate a reasonable cross-polarisation level more than 30 dB below the co-polarisation. This all-metal antenna efficiency is higher than the traditional one.
- Subjects
SLOT antennas -- Design &; construction; ELECTRIC lines; MICROWAVES; POLARIZATION (Electricity); APERTURE antennas
- Publication
IET Microwaves, Antennas & Propagation (Wiley-Blackwell), 2017, Vol 11, Issue 5, p680
- ISSN
1751-8725
- Publication type
Article
- DOI
10.1049/iet-map.2016.0289