Advanced MF antennas for underground communications

The paper considers the features of underground radio communication at medium frequency (MF) range. The perspective and most effective antenna solutions at MF range are presented. The characteristics of the antennas are given: the reflection coefficient, the dependence of the input impedance. Antenn...

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Bibliographic Details
Published in:Journal of physics. Conference series 2021-03, Vol.1862 (1), p.12002
Main Authors: Fedosov, D V, Kolesnikov, A V, Nikolaev, A V
Format: Article
Language:English
Subjects:
Antennas
Impedance matching
Input impedance
Physics
Radio communications
Reflectance
Underground communication
Voltage standing wave ratios
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Summary:The paper considers the features of underground radio communication at medium frequency (MF) range. The perspective and most effective antenna solutions at MF range are presented. The characteristics of the antennas are given: the reflection coefficient, the dependence of the input impedance. Antennas are matched with voltage standing wave ratio (VSWR) less than 1.2. Attention is focused on some features of the operation of these antennas. The results of comparative tests of antennas are presented.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1862/1/012002