Volume 33 Issue 2
Mar.  2024
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Yuewen GOU, Yikai CHEN, Shiwen YANG, “A Tightly Coupled Dipole Array with Diverse Element Reflection Phases for RCS Reduction,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 449–455, 2024 doi: 10.23919/cje.2022.00.121
Citation: Yuewen GOU, Yikai CHEN, Shiwen YANG, “A Tightly Coupled Dipole Array with Diverse Element Reflection Phases for RCS Reduction,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 449–455, 2024 doi: 10.23919/cje.2022.00.121

A Tightly Coupled Dipole Array with Diverse Element Reflection Phases for RCS Reduction

doi: 10.23919/cje.2022.00.121
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  • Author Bio:

    Yuewen GOU was born in Xi’an, China, in 1996. She received the the B.E. degree in electromagnetics and microwave technology and the B.A. degree in translation from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2018, where she is currently pursuing the Ph.D. degree in electronic science and technology. Her current research interests include ultra-wideband phased antenna arrays, low-scattering antenna arrays, and metasurface. (Email: beckygyw@163.com)

    Yikai CHEN was born in Hangzhou, China, in 1984. He received the B.E. and Ph.D. degrees in electromagnetics and microwave technology from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2006 and 2011, respectively. From 2011 to 2015, he was a Research Scientist with the Temasek Laboratories, National University of Singapore, Singapore. In 2015, he joined UESTC, as a Full Professor. He has authored or co-authored over 200 peer-reviewed articles and over 70 patents/patent disclosures. He has co-authored the book entitled the Characteristic Modes: Theory and Applications in Antenna Engineering (John Wiley, 2015), and one book chapter to Differential Evolution: Fundamentals and Applications in Electrical Engineering (IEEE Wiley, 2009). His current research interests include ultra-wideband phased antenna arrays, RCS reduction techniques, 5G base station antenna arrays, characteristic mode theory, and time modulation techniques for antenna array systems. Dr. Chen is a member of the Applied Computational Electromagnetics Society (ACES). He was a recipient of the National Excellent Doctoral Dissertation Award of China in 2013. He serves as an Associate Editor for the Electronics Letters and the Chinese Journal of Electronics, the review boards of 20 journals, and has also served many international conferences as TPC Members, Session Organizers, and Session Chairs. (Email: ykchen@uestc.edu.cn)

    Shiwen YANG was born in in Langzhong, China, in 1967. He received the B.S. degree in electronic science and technology from East China Normal University, Shanghai, China, in 1989, and the M.S. degree in electromagnetics and microwave technology and the Ph.D. degree in physical electronics from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 1992 and 1998, respectively. From 1994 to 1998, he was a Lecturer with the Institute of High Energy Electronics, UESTC. From 1998 to 2001, he was a Research Fellow at the School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore. From 2002 to 2005, he was a Research Scientist with Temasek Laboratories, National University of Singapore. Since 2005, he has been a Full Professor with the School of Electronic Engineering, UESTC. Since 2015, he has been a Chang-Jiang Professor with UESTC nominated by the Ministry of Education of China. He has authored or coauthored more than 300 technical papers. His current research interests include antennas, antennas arrays, optimization techniques, and computational electromagnetics. Dr. Yang was the recipient of the Foundation for China Distinguished Young Investigator presented by the National Science Foundation of China in 2011. He is the Chair of the IEEE Chengdu AP/EMC Joint Chapter and serves as an Associate Editor for IEEE Transactions on Antennas and Propagation. (Email: swnyang@uestc.edu.cn)

  • Corresponding author: Email: ykchen@uestc.edu.cn
  • Received Date: 2022-05-06
  • Accepted Date: 2023-02-13
  • Available Online: 2023-05-25
  • Publish Date: 2024-03-05
  • This paper proposes a novel low scattering tightly coupled dipole array (TCDA), aiming to reduce the radar cross section (RCS) of phased antenna arrays under a certain oblique incident wave. First, we build three types of antenna elements that exhibit similar radiation characteristics but diverse reflection phase differences based on the proposed theoretical analysis. The required reflection phase difference is achieved by using different dielectric superstrates for each antenna element. Then, by arranging the three types of subarrays next to each other, a low scattering TCDA (8 × 9) is designed. Meanwhile, a reference antenna array with a single type of antenna element is also constructed. To demonstrate the effectiveness of the proposed RCS reduction technique, simulated and measured results of the reference and proposed antenna array are compared. Both antenna arrays operate over the 6–18 GHz frequency band and can scan up to ±45° in the E-/H-planes. However, the proposed antenna array achieves a significant monostatic RCS reduction over 8–12 GHz, with a maximum reduction value of 7.55 dB. It indicates that this diverse element reflection phase technique is a good candidate for wideband RCS reduction.
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