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题名: Single-layer broadband linearly polarized reflectarray antenna by using phase-delay lines
作者: Han, Chunhui; Yunhua Zhang(张云华); Yang, Qingshan
作者部门: 微波遥感部
会议名称: 2016 Progress In Electromagnetics Research Symposium, PIERS 2016
会议日期: August 8, 2016 - August 11, 2016
会议地点: Shanghai, China
会议录: 2016 Progress In Electromagnetics Research Symposium, PIERS 2016 - Proceedings
会议录出版者: Institute of Electrical and Electronics Engineers Inc.
出版日期: 2016
收录类别: EI
页码: 1956-1960
ISBN号: 9781509060931
英文摘要: In 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.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.nssc.ac.cn/handle/122/5698
Appears in Collections:微波遥感部_会议论文

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