期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 20, 期 6, 页码 963-967出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2021.3068229
关键词
Fabry-Perot cavity antenna (FPCA); S-band; wideband; 1 dB gain bandwidth
资金
- China Postdoctoral Science Foundation [2019M653371]
- Innovation Project of Guangxi Graduate Education [YCSW2020151]
- Guilin University of Electronic Technology Excellent Graduate Thesis Program [18YJPYSS06]
- Key Laboratory of Cognitive Radio and Information Processing, Ministry of Education (Guilin University of Electronic Technology) [CRKL190101]
A high-gain Fabry-Perot cavity antenna with wide 1 dB gain bandwidth in the S-band is proposed in this study. By using a partially reflective surface with a positive phase gradient, the radiation characteristics of the broadband source antenna are effectively improved. The proposed FPCA showed an enhanced gain of up to 6 dB and a maximum aperture efficiency of 393% in a wideband range.
A high-gain Fabry-Perot cavity antenna (FPCA) with wide 1 dB gain bandwidth in the S-band is proposed. A partially reflective surface with a positive phase gradient in a wideband is adopted to effectively improve the radiation characteristics of the designed broadband source antenna. The proposed FPCA has a measured -10 dB impedance bandwidth of 2.9-3.95 GHz (30.65%), and a 1 dB gain bandwidth is 2.9-3.6 GHz (21%). In such a wideband, the realized gain is enhanced by up to 6 dB, and the measured maximum aperture efficiency is 393%.
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