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CRLH waveguide based ka-band beam-steering leaky-wave antenna for radar application
Yang, Qingshan; Zhao, Xiaowen; Zhang, Yunhua,
Department微波遥感部
Source PublicationProgress in Electromagnetics Research Symposium
2015
Pages2820-2823
Language英语
ISSN1559-9450
ISBN9781934142301
AbstractA KB-band beam-steering leaky-wave antenna (LWA) based on composite right/left-handed (CRLH) rectangular waveguide is proposed and investigated in this paper. The CRLH waveguide is composed of a traditional rectangular waveguide with short-circuited double ridge corrugations periodically mounted on one broadtail. The CRLH structure is air-filled to avoid dielectric loss. A straight long slot is cut on the other broadtail of the rectangular waveguide acting as the radiation aperture to realize a LWA. A balanced condition has been optimized for the LWA to acquire a continuous beam-steering capability from backward to forward quadrants. This capability is verified and high-gain performance is realized by simulations. Compared with other planar CRLH LWAs, the LWA proposed in this paper has the advantages of high power capacity, low loss and consistent high gain, which is very suitable for applications in practical radar systems.
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5204
Collection微波遥感部
Recommended Citation
GB/T 7714
Yang, Qingshan,Zhao, Xiaowen,Zhang, Yunhua,. CRLH waveguide based ka-band beam-steering leaky-wave antenna for radar application[C]:Electromagnetics Academy,2015:2820-2823.
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