Development of High Aperture Efficiency Fabry-Perot Cavity Antenna System

被引：0
|
作者：
Dave, Aditya [1 ]
Franklin, Rhonda [1 ]
机构：
[1] Univ Minnesota, Dept Elect Engn, 200 Union St SE, Minneapolis, MN 55455 USA
来源：
2019 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND USNC-URSI RADIO SCIENCE MEETING | 2019年
基金：
美国国家科学基金会;
关键词：
Fabry-Perot Cavities (FPC); frequency selective surface (FSS); near-field; phase measurement;
D O I：
10.1109/apusncursinrsm.2019.8888386
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A Fabry-Perot cavity antenna (FPCA) system with high efficiency is proposed. The design consists of a source antenna with a frequency selective surface (FSS). The source antenna is an aperture coupled microstrip slot antenna with cavity backing. The FSS is a square aperture with rectangular unit cells. The E-field in the near and far field is compared for the FPCA system and the source antenna without the FSS (i.e. source antenna only). The FPCA has low phase variation of approximately 10 degrees in the E-plane compared to high sinusoidal phase variation of 90 degrees of the source antenna. The far-field gain of the FPCA system is 11.3 dB, which is a 4.5 dB improvement of the source antenna gain. The aperture efficiency of the FPCA system is 84% compared to the source antenna efficiency of 30%.
引用
收藏
页码：715 / 716
页数：2
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