A Hybrid Mechanism Water-Based Metasurface for Antenna RCS Reduction

被引：1
|
作者：
Yang, Yuejie [1 ]
Wang, Cicheng [1 ]
Yang, Helin [1 ]
Li, Shangru [1 ]
Zhou, Xiaofeng [1 ]
Jin, Jing [1 ]
机构：
[1] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2024年 / 72卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Metasurfaces; Absorption; Metals; Antenna feeds; Antennas; Microstrip antenna arrays; Electromagnetic scattering; Hybrid mechanism metasurface; low-profile antenna; low-RCS antenna; radar cross section (RCS) reduction; water-based metasurface; BAND LOW-RCS; WIDE-BAND; ARRAY;
D O I：
10.1109/TAP.2024.3420079
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 article, a water-based metasurface for antenna radar cross section (RCS) reduction is proposed for the first time. The metasurface has a two-layer structure of metal patch and structural water and achieves more than 9 dB RCS reduction in the super high-frequency (SHF) band from 10.6 to 26 GHz based on the mechanism of phase cancellation and wave absorption. Low scattering characteristics are achieved in the X-, Ku-, and K-bands. By using the metasurface as a radiator and introducing a feed structure, a low-scattering antenna in the C-band can be obtained. The impedance bandwidth of the antenna is from 5.7 to 6.07 GHz. The proposed antenna has an extremely small size and low profile, high aperture efficiency, and directional high gain radiation characteristics. Additionally, it exhibits low scattering across a broad frequency band. This work verifies the feasibility of water-based metasurfaces for antenna RCS reduction.
引用
收藏
页码：6464 / 6471
页数：8
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