Spectral signatures of the ionospheric Alfvén resonator to be observed by low-Earth orbit satellite

Surkov, V.V.; Pilipenko, V.A.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.

Авторы: Surkov V.V., Pilipenko V.A.
Журнал: Journal of Geophysical Research
Том: 121
Номер: 3
Год издания: 2016
Издательство: William Byrd Press for John Hopkins Press
Местоположение издательства: United States
Первая страница: 2783
Последняя страница: 2794
DOI: 10.1002/2015ja021912
Аннотация: Interference of an incident and reflected Alfvén pulses propagating inside the ionospheric Alfvén resonator (IAR) is studied on the basis of a simple one-dimensional model. Particular emphasis hasbeen placed on the analysis of spectral features of ultralow frequency (∼1–15 Hz) electric perturbations recently observed by Communications/Navigation Outage Forecasting System satellite. This “fingerprint” multiband spectral structure was observed when satellite descended in the terminator vicinity. Among factors affecting spectral structure the satellite position and distance from the IAR boundaries are most significant. It is concluded that the observed spectrograms exhibit modulation with “period” depending on propagation delay time of reflected Alfvén pulses in such a way that this effect can mask a spectral resonance structure resulted from excitation of IAR eigenmodes. The proposed interference effect is capable to produce a spectral pattern resembling a fingerprint which is compatible with the satellite observations.
Добавил в систему: Пилипенко Вячеслав Анатольевич

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Spectral signatures of the ionospheric Alfvén resonator to be observed by low-Earth orbit satelliteстатья

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