Radio Absorber with High Angular Stability of Resonance Frequency Based on Artificial Magnetic Conductor and Resistive Film

被引：0
|
作者：
Kazantsev, Yu. N. [1 ]
Kraftmakher, G. A. [1 ]
Maltsev, V. P. [1 ]
Solosin, V. S. [1 ,2 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Fryazino Branch, Fryazino 141190, Moscow Oblast, Russia
[2] Russian Acad Sci, Inst Theoret & Appl Electrodynam, Moscow 125412, Russia
来源：
JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2023年 / 68卷 / 08期
关键词：
SURFACES;
D O I：
10.1134/S1064226923070045
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：
A structure of a radio absorber (RA) with a high stability of resonance frequency based on a resistive film with a sheet resistance of 120 Omega/sq and an artificial magnetic conductor in a pair of capacitive gratings on a dielectric layer with a high permittivity (epsilon(1) >> 1) metallized on the opposite side is proposed. The results of numerical calculations of the frequency-angular dependences of the RA reflection coefficient confirm preliminary estimates obtained from analytical expressions. For example, at epsilon(1) = 20, the shift of the resonance frequency is no greater than 2% at angles of incidence of phi =0 degrees...60 degrees, and the bandwidth-to-thickness ratio is 4.29 at phi =0.
引用
收藏
页码：896 / 902
页数：7
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