The influence of a strong local atmospheric disturbance on the resonant structure of the near field of a low-frequency loop antenna located in the Earth's ionosphere
- Authors: Moshkov A.V.1
-
Affiliations:
- Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences
- Issue: Vol 68, No 9 (2023)
- Pages: 852-857
- Section: К 70-ЛЕТИЮ ИРЭ ИМ. В.А. КОТЕЛЬНИКОВА РАН
- URL: https://ruspoj.com/0033-8494/article/view/650466
- DOI: https://doi.org/10.31857/S0033849423090188
- EDN: https://elibrary.ru/RHFMVX
- ID: 650466
Cite item
Abstract
Numerical calculations were carried out of the time dependence of the near electric field strength of an ionospheric loop antenna in the frequency range 1...10 kHz under the influence of a strong local disturbance floating in the atmosphere. A disturbance model in the form of a point source of energy was used. It is shown that as the disturbance region approaches frame antenna, the frequency and spatial resonant structure of the field strength changes qualitatively. Resonance near the lower hybrid frequency practically disappears, and resonance at small observation angles relative to the direction of the local geomagnetic field transforms into transverse resonance.
About the authors
A. V. Moshkov
Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences
Author for correspondence.
Email: kuzaf@inbox.ru
Moscow, 125009 Russia
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