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Initial Design of Phase-Frequency Scanned Array Using CRLH Leaky-Wave Antennas
Yang, Qingshan; Zhao, Xiaowen; Zhang, Yunhua
Department微波遥感部
Source Publication2018 15TH EUROPEAN RADAR CONFERENCE (EURAD)
2018
Pages557-560
ISBN978-2-8748-7053-8
Abstract

Initial design of phase-frequency scanned array using composite right/left-handed (CRLH) waveguide leaky-wave antennas (LWAs) is studied in this paper. The array consists of 32 frequency scanning CRLH LWAs that are fed by a phased feed system. Two-dimensional (2D) beam steering capability is achieved in the plane normal to the array aperture and verified by the full-wave simulations. This array is capable of scanning to 61 degrees from backward to forward directions in the frequency-scan plane and 17 degrees in the phase-scan plane. The beamwidth is approximately 2 degrees with -20 dB sidelobe level (SLL) in the frequency-scan plane and 2.5 degrees with maximum -10 dB SLL in the phase-scan plane. Compared with traditional 2D scanning array, the feed system of this phase-frequency scanned array can be simplified significantly.

KeywordComposite Right/left-handed (Crlh) Leaky-wave Antenna ( Lwa) Phased Array Phase-frequency Scanned Array Two-dimensional (2d) Beam Steering
Conference Name15th European Radar Conference (EuRAD)
Conference DateSEP 26-28, 2018
Conference PlaceMadrid, SPAIN
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6682
Collection微波遥感部
Recommended Citation
GB/T 7714
Yang, Qingshan,Zhao, Xiaowen,Zhang, Yunhua. Initial Design of Phase-Frequency Scanned Array Using CRLH Leaky-Wave Antennas[C],2018:557-560.
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