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题名:
Controlling Beamwidth of Antenna Using Frequency Selective Surface Superstrate
作者: Wang, Min1; Huang, Cheng1; Chen, Po2; Wang, Yanqing1; Zhao, Zeyu1; Luo, Xiangang1
刊名: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
出版日期: 2014
卷号: 13, 页码:213-216
关键词: Beamwidth control ; frequency selective surface (FSS) ; varactor
文章类型: Article
英文摘要: A method of using frequency selective surface (FSS) to dynamically control beamwidth of antenna is proposed. The unit cell is composed of a two-layer periodic H-shape structure loaded with varactors. By tuning the bias voltage applied to the varactors, the unit cell has two different states that are transparent and absorptive to the incident wave at a certain frequency, respectively. We can control the transparent region of the whole FSS through reasonably setting the capacitance of the varactor loaded on each unit cell, and thus the beamwidth of the transmitted wave could be tuned. The above property has been validated by putting the FSS above the horn antenna array as superstrate. Simulation results show that E-plane beamwidth of the antenna can be enlarged from 13.2 degrees to 31.1 degrees at 5.5 GHz, and experimental results agree well with the simulated ones. In addition, it is found that the operation frequency for beamwidth control can be tuned as well.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Electrical & Electronic ; Telecommunications
研究领域[WOS]: Engineering ; Telecommunications
关键词[WOS]: LEAKY-WAVE ANTENNA
收录类别: SCI
语种: 英语
WOS记录号: WOS:000331965200001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2466
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nanofabricat & Microeng, Chengdu 610209, Peoples R China
2.Univ Wyoming, Dept Geol & Geophys, Laramie, WY 82071 USA

Recommended Citation:
Wang, Min,Huang, Cheng,Chen, Po,et al. Controlling Beamwidth of Antenna Using Frequency Selective Surface Superstrate[J]. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS,2014,13:213-216.
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