Dual-Band Shared Aperture Fabry-Perot Cavity Antenna With Beam Deflection

被引：0
作者：
He, Xin [1 ]
Qin, Wenhua [1 ]
Xu, Juan [1 ]
机构：
[1] Qufu Normal Univ China, Sch Cyber Sci & Engn, Qufu, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2025年 / 67卷 / 02期
基金：
中国国家自然科学基金;
关键词：
aperture efficiency; dual-band Fabry-Perot cavity Antenna (DB-FPA); independent control; partially reflective metasurface (PRS); shared aperture; HIGH-GAIN; DESIGN; FSS;
D O I：
10.1002/mop.70121
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：
In this paper, a novel partially reflective metasurface (PRS) unit is proposed for beam deflection in a dual-band shared aperture Fabry-Perot cavity antenna (DB-FPA). It operates in the C-band and X-band. Independent control of different frequency bands can be achieved by adjusting the different parameters of the PRS unit. A coaxially fed patch antenna is used as the feed source for the proposed antenna. This antenna exhibits high aperture efficiency and can operate in two bands with a ratio of 1:1.67. The measurements indicate the impedance bandwidth |S-11| < -10 dB of the DB-FPA is 5.54-6.48 GHz (15.6%) and 9.62-10.52 GHz (9%). The gain is 7.15 dBi at 6 GHz with an aperture efficiency of 34.8%, and 8.3 dBi at 10 GHz with an aperture efficiency of 14.5%. The beam deflection of 22(degrees) at 6 GHz and -54(degrees) at 10 GHz.
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页数：9
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