Estimation of the Fade Duration of Low-Frequency Radio Waves in the Earth—Ionosphere Waveguide under the Action of a Strong Local Perturbation in the Atmosphere

Moshkov A.V. Estimation of the Fade Duration of Low-Frequency Radio Waves in the Earth—Ionosphere Waveguide under the Action of a Strong Local Perturbation in the Atmosphere. J. of Communications Technology and Electronics , 2022 , 67 (11). С. 1374-1378. ISSN 1064-2269

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Аннотация

Numerical calculations are made of the duration of large-scale fading of electromagnetic waves with frequencies of 1 —10 kHz as they pass through a flat inhomogeneous layer of the lower ionosphere in the presence of a strong local perturbation of the atmosphere. A model of a perturbation in the form of a point energy source is used. It has been found that the model parameters depend on only two initial quantities: altitude h0 and the energy. It is shown that, at h0 < 50 km, the fade duration does not exceed 2 min; as h0 increases above a certain critical value, the horizontal size of the perturbation decreases significantly, which leads to a decrease in the decay time of radio waves to tens of seconds at h0 > 80 km.

Тип объекта:	Статья
Авторы на русском. ОБЯЗАТЕЛЬНО ДЛЯ АНГЛОЯЗЫЧНЫХ ПУБЛИКАЦИЙ!:	Мошков А.В.
Подразделения (можно выбрать несколько, удерживая Ctrl):	201 лаб. математических методов радиофизики
URI:	http://cplire.ru:8080/id/eprint/8206

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