Radio Absorber Based on an Artificial Magnetic Conductor and Resistive Film

Analytical expressions are presented for the frequency-angular dependences of the reflection coefficient from a radio absorber (RP) based on a resistive film with a resistance of 120π Ω and an artificial magnetic conductor (AMC) as part of a pair of capacitive gratings and an electrically conductive...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2022-04, Vol.67 (4), p.369-374
Main Authors: Kazantsev, Yu. N., Kraftmakher, G. A., Mal’tsev, V. P., Solosin, V. S.
Format: Article
Language:English
Subjects:
Absorbers
Absorption spectra
Communications Engineering
Conductors
Electrodynamics and Wave Propagation
Engineering
Mathematical analysis
Networks
Reflectance
Reflection
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Summary:Analytical expressions are presented for the frequency-angular dependences of the reflection coefficient from a radio absorber (RP) based on a resistive film with a resistance of 120π Ω and an artificial magnetic conductor (AMC) as part of a pair of capacitive gratings and an electrically conductive screen. It is shown that the ratio of the width of the absorption band of the RA to its thickness is . Numerical calculations were used to find the distances between the resistive film and a pair of gratings at which the reflection coefficient at the resonance frequency is minimal.
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226922040064