Ultrawideband Low-RCS Copolarized Beam-Scanning Metantenna Array

被引：2
作者：
Tian, Ying [1 ]
Yao, Wang [1 ]
Huang, Xiaojun [1 ]
Li, Wentao [1 ]
Li, Yujun [2 ]
Yang, Helin [2 ]
机构：
[1] Xian Univ Sci & Technol, Coll Commun & Informat Engn, Xian 710054, Peoples R China
[2] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Antenna arrays; Scattering; Ultra wideband antennas; Gain; Couplings; Antenna measurements; Radar antennas; Characteristic mode analysis (CMA); metantenna (MTA); radar cross section (RCS); scattering cancellation; ultrawideband; POLARIZATION CONVERSION METASURFACE; BAND; REDUCTION; ANTENNA; ENHANCEMENT; ABSORBER; DESIGN;
D O I：
10.1109/LAWP.2024.3415817
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 letter, a wideband metantenna (MTA) based on the novel arrangement configuration of an artificial magnetic conductor (AMC) is proposed, and an ultrawideband (UWB) low-scattering beam scanning array is derived from it. The proposed multilayer AMC structure promotes the wide bandwidth of scattering cancellation. Synthesizing the different incidence angles of the linear polarized wave, the proposed MTA array can achieve the radar cross section (RCS) reduction of more than 3 dB in the range from 4 GHz to 47.5 GHz (11.9:1). The array composed of the MTA can achieve wideband (41.7%) low sidelobe copolarized radiation. Compared with the common checkerboard low-RCS MTA array, the MTA array with the optimized AMC configuration has higher aperture efficiency (77.7%) and smaller element spacing (0.8 lambda(0)), enabling beam scanning in the +/- 30 degrees range.
引用
收藏
页码：2934 / 2938
页数：5
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