Broadband and Wide-Angle Radar Cross-Section Reduction of Dihedral Corner Reflectors Based on the Chessboard Metasurfaces

被引：0
作者：
Peng, Jian [1 ,2 ]
He, Qingting [1 ]
Chen, Haiyan [1 ]
Liu, Qian [1 ]
Yao, Xin [1 ]
Li, Fengxia [3 ]
Liang, Difei [1 ]
Xie, Jianliang [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Engn Res Ctr Electromagnet Radiat Control Mat, State Key Lab Elect Thin Films & Integrated Device, Key Lab Multispectral Absorbing Mat & Struct,Minis, Chengdu 611731, Peoples R China
[2] Chengdu Aircraft Ind Grp Co Ltd, Chengdu 610213, Peoples R China
[3] Xidian Univ, Sch Phys, Xian 710071, Peoples R China
来源：
ADVANCED ENGINEERING MATERIALS | 2025年 / 27卷 / 15期
基金：
中国国家自然科学基金;
关键词：
broadbands; chessboard metasurfaces; dihedral corner reflectors; radar cross section reduction; wide angle; POLARIZATION CONVERSION METASURFACE; RCS REDUCTION; PHASE; DESIGN;
D O I：
10.1002/adem.202500471
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this article, a chessboard metasurface is proposed to reduce the radar cross section (RCS) of the dihedral corner reflector (DCR). By loading a checkerboard metasurface on one side of the DCR, a broadband RCS reduction is achieved. The simulation results show that the proposed DCR has a significant RCS reduction of more than -10 dB in the frequency ranges of 6.5-13.53 GHz with fractional bandwidths of 70.2% under transverse electric (TE) polarization and in the frequency ranges of 6.2-13.6 GHz with fractional bandwidths of 74.75% under transverse magnetic (TM) polarization. Additionally, the RCS reduction properties of the proposed DCR at various azimuth angles are investigated, and the wide-angle RCS reduction from 0 degrees to 65 degrees is realized. To obtain more wide-angle RCS reduction, double-sided checkerboard loading is performed on the DCR. The RCS reduction angle range increases from 65 degrees to 90 degrees for TE polarization and TM polarization. Namely, the RCS is reduced from 0 degrees to 90 degrees for TE polarization and TM polarization, as calculated by numerical simulations. The measured results are in great agreement with the simulation results. This method verifies the novelty and effectiveness of wide-angle and wideband RCS reduction of DCR.
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页数：8
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