期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 20, 期 12, 页码 2442-2446出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2021.3114159
关键词
Lenses; Optimization; Gain; Genetic algorithms; Finite difference methods; Time-domain analysis; Dielectrics; All-dielectric; genetic algorithms (GAs) optimization; high aperture efficiency; lens; ultrawideband
资金
- Innovation Project of Guangxi Graduate Education [YCSW2021178]
- Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education (GUET) [CRKL190101]
- Guangxi Science and Technology for Talent Project [AD19245042]
This letter proposes a lens antenna with ultrawide band and high aperture efficiency, automatically designed by genetic algorithm and finite-different time-domain method. Compared to feeding ridged horn, the lens antenna shows enhanced gains and aperture efficiencies in the 6-18 GHz band, suitable for communication applications.
A lens antenna (LA) with the characteristics of ultrawide band and high aperture efficiency is proposed in this letter. Moreover, the proposed lens is automatically designed by the genetic algorithm (GA) and finite-different time-domain method, which provides a convenient solution for lens designing. Compared to the feeding ridged horn, the measured gains of the LA are enhanced by 4.4-7.4 dB in the 6-18 GHz band, and the measured aperture efficiencies are also increased by 10%-33% in the band. The maximum aperture efficiency is 92.4% at 6 GHz. Moreover, the 1 dB steady gain band is 13-18 GHz (up to 32.3%). The all-dielectric structure can be easily manufactured using three-dimensional printing technology, which endues the lens with the advantages of low cost, light weight, and easy fabrication.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据