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Single-layer broadband linearly polarized reflectarray antenna by using phase-delay lines
Han, Chunhui; Zhang, Yunhua; Yang, Qingshan
Department微波遥感部
Source Publication2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings
2016
Pages1956-1960
Language英语
ISBN9781509060931
AbstractIn this paper, a novel X-band broadband single-layer unit cell with attached phase-delay lines for reflectarray antennas is proposed to surmount the limitation of the reflectarray bandwidth. The unit cell is composed of three circular rings, each with a pair of gaps which are mutually placed orthogonally, and two identical circular phase-delay lines are attached to the outer ring to provide the required reflection phase. After the simulation for the unit cell carried out, a large reflecting phase range of about 600° and almost linear phase curve are achieved at the center frequency of 10 GHz. Parallel phase curves of different frequencies ranging from 9 GHz to 12 GHz are also obtained. To validate the broadband performance of the proposed unit cell, a 9 × 9 center-fed reflectarray antenna operating at X band is designed and simulated. Simulation results show that the designed antenna has 34% 1-dB gain bandwidth, which demonstrates that an obvious improvement on the bandwidth has been achieved compared to the previous works. Besides, the cross-polarization level is decreased to -40 dB by a mirror symmetric element arrangement. © 2016 IEEE.
Conference Name2016 Progress In Electromagnetics Research Symposium, PIERS 2016
Conference DateAugust 8, 2016 - August 11, 2016
Conference PlaceShanghai, China
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5698
Collection微波遥感部
Recommended Citation
GB/T 7714
Han, Chunhui,Zhang, Yunhua,Yang, Qingshan. Single-layer broadband linearly polarized reflectarray antenna by using phase-delay lines[C]:Institute of Electrical and Electronics Engineers Inc.,2016:1956-1960.
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