Large Angle Electronically Controlled Beam Scanning Antenna Based on Liquid Crystal

作者

  • Wei Hu Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Di Jiang Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Jiahao Zhao Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Chenqi Zhang Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Guhaolan Zhao Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Bo Yan Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Jiacheng Zhao Information and Communication Engineering University of Electronic Science and Technology of China, Chengdu 611731, China
  • Chuanpei Xu Guilin University of Electronic Technology Guilin, Guangxi 541004, China
  • Guofu Wang Guangxi University of Science and Technology Liuzhou, Guangxi 545006, China

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https://doi.org/10.13052/2025.ACES.J.401106

关键词:

Large-angle beam scanning, liquid crystal, miniaturization, phased array antenna

摘要

In this paper we propose a miniaturized large-angle beam scanning phased array antenna using liquid crystal. We innovatively combine the liquid crystal electrically tunable structure with the wide-beam antenna element structure and design an integrated multi-layer antenna structure which realizes large-angle beam scanning within the working bandwidth. The problems of low beam control accuracy and narrow scanning angle of traditional array antenna are effectively addressed. The overall dimensions of the prototype are 74×60×4 mm. Based on the test results of the prototype the gain has reached 20.2 dBi at 27 GHz and the scanning angle was greater than ±60∘.

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Wei Hu is a doctoral candidate of electronic information in Information and Communication Engineering, University of Electronic Science and Technology of China. He has a master’s degree in communication and information system from Sichuan University. His main research direction is intelligent sensing and information system, microwave reconfigurable devices and systems, and broadband reconfigurable array antenna.

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Di Jiang is Professor of Information and Communication Engineering, University of Electronic Science and Technology of China. He is mainly engaged in broadband reconfigurable microwave devices, array antennas, and liquid crystal array antennas.

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Jiahao Zhao is a graduate student majoring in Electronic Information at the University of Electronic Science and Technology of China, with his main research directions focusing on RCS reduction metasurfaces and array antennas.

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Chenqi Zhang is a graduate student of Information and Communication Engineering, from the University of Electronic Science and Technology of China. His main research direction is phased array antenna and holographic antenna.

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Guhaolan Zhao is a graduate student majoring in Electronic Information at the University of Electronic Science and Technology of China. His research interests include reconfigurable antennas and antenna arrays.

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Bo Yan is a professor of Information and Communication Engineering at the University of Electronic Science and Technology of China. Her current research interests lie in embedded system, FPGA/ASIC design, and AI for the Internet of Things (AIoT).

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Jiacheng Zhao is a graduate student majoring in Information and Communication Engineering at the University of Electronic Science and Technology of China. His research focuses on metasurfaces for RCS reduction.

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Chuanpei Xu received her Ph.D. degree from Xidian University, China, in 2006. She is currently a professor of Instrument Science and Technology at Guilin University of Electronic Science and Technology in Guangxi, China. Her current research focuses on integrated circuit testing, automatic test and control systems, microfluidics, and biosensors.

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Guofu Wang was born in Pingdingshan, China, in 1977. He received the M.S. and Ph.D. degrees in signal and information processing from the Chinese Academy of Sciences in 2005 and 2007, respectively. Since 2017, he has been a Professor with the School of Electrical and Information Engineering, Guangxi University of Technology. His main research interests include adaptive signal processing and image processing. He has a rich research experience in the development of key technologies of photoelectric countermeasure turntables.

参考

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已出版

2025-11-30

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[1]
W. . Hu, 《Large Angle Electronically Controlled Beam Scanning Antenna Based on Liquid Crystal》, ACES Journal, 卷 40, 期 11, 页 1102–1108, 11月 2025.

期

2025: Vol 40 Iss 11

栏目

General Submission

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