Design of Broadband Wide-Angle Scatterer Surface Using Artificial Dielectric Layers

被引：2
作者：
Wang, Bao [1 ,2 ]
Lin, Xian Qi [1 ,2 ]
Fan, Yu Lu [1 ,2 ]
Cai, Yang [1 ,2 ]
Liu, Jiang Ling [3 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China
[2] Univ Elect Sci & Technol China, Yangtze Delta Reg Inst Huzhou, Huzhou 313001, Peoples R China
[3] China Acad Elect & Informat Technol, Beijing 100041, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2021年 / 20卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Reflection; Broadband communication; Bandwidth; Encoding; Dielectrics; Optical surface waves; Broadband antennas; Bistatic; broadband; metamaterials; radar cross section reduction; scatterer surface;
D O I：
10.1109/LAWP.2021.3100508
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, the reflection elements based on artificial dielectric layers (ADLs) are proposed for broadband wide-angle bistatic radar cross section (RCS) reduction. ADLs are introduced to improve the interference cancellation bandwidth of the reflection elements, and avoid the dilemma of mixing multiple dielectric mediums. The reflection elements achieve an approximate 180 degrees phase difference over the frequency range of 4.8-17.5 GHz (113.9%) under normal incidence, and the bandwidth under TE 40 degrees incidence and TM 55 degrees is 113.9% and 100%, respectively. To validate this design, a coding scatterer surface is simulated and fabricated. Measured results show that the proposed coding scatterer surface achieves a 10 dB bistatic RCS reduction from 5 to 17.5 GHz under normal incidence for both polarizations. Bistatic RCS reduction under oblique incidence is analyzed and presented as well.
引用
收藏
页码：1913 / 1917
页数：5
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