Design of a New Balanced Side Slotted Vivaldi Antenna with Director using Genetic Algorithm

作者

  • Xiaoyan Zhang 1) School of Information Engineering East China Jiaotong University, Nanchang, 330013, China 2) State Key Laboratory of Millimeter Waves, Nanjing, China
  • Yuxu Hu School of Information Engineering East China Jiaotong University, Nanchang, 330013, China
  • Aiyun Zhan School of Information Engineering East China Jiaotong University, Nanchang, 330013, China

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https://doi.org/10.13052/2023.ACES.J.381107

关键词:

Balanced side slotted Vivaldi antenna, director, genetic algorithm optimization, ultra-wide band

摘要

Generally, side slotting and directional techniques can improve the performance of a conventional Vivaldi antenna (CVA), but the optimal structure and distribution of slots and directors may be irregular or even complex, requiring significant manual effort, thus limiting the design possibilities. In this paper, a genetic algorithm (GA) is introduced to assist in designing and optimizing a new type of balanced side slotted Vivaldi antenna with director (SSVAD). The methods of artificial intelligence make the process of searching for the optimal structure of such a multi-objective and multi-dimensional problem simpler and more diverse. The GA-generated SSVAD antenna consists of a CVA and 34 slots with varying lengths, as well as 5 metal strips. It has a compact size of 38.2×49×0.8 mm3 (or 0.32λL×0.41λL×0.007λL, where λL is the lowest operating frequency of 2.48 GHz). The measured results show that the antenna has a peak gain >0 dBi over 2.48-10.88 GHz and >5 dBi over 4.6-10.88 GHz with S11<-10 dB standard, and exhibits directional characteristics at most of the operating frequencies. Since the measured results are basically consistent with the simulation ones, the effectiveness of the designed scheme has been proven.

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Xianyan Zhang received the B.S. degree in applied physics and the M.S. degree in physical electronics from Yunnan University, Kunming, China, in 2001 and 2004, respectively, and the Ph.D. degree in electromagnetic field and microwave technology from Institute of Electronics, Chinese Academy of Sciences in 2007. Her research interests include electromagnetic computation, antenna design, and wireless power transmission structure design.

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Yuxu Hu was born in 1998 in Gao’an City, Jiangxi Province, China. He obtained a bachelor’s degree in engineering from the School of Science and Technology of East China Jiaotong University and is currently studying at the School of Information Engineering of East China Jiaotong University. His main research direction is antenna design.

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Aiyun Zhan was born in Nantong, Jiangsu, China in 1973. She received B.S. degree from Southwest Jiaotong University in 1997 and the M.S. degree in East China Jiaotong University in 2008. She is currently working at rhe School of Information Engineering, East China Jiaotong University. Her research interests focus on channel coding and optical communication.

参考

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已出版

2023-11-30

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[1]
X. . Zhang, Y. Hu, 和 A. Zhan, 《Design of a New Balanced Side Slotted Vivaldi Antenna with Director using Genetic Algorithm》, ACES Journal, 卷 38, 期 11, 页 886–894, 11月 2023.

期

2023: Vol 38 Iss 11

栏目

General Submission

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