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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v61.i3.10
pages 183-205

Statistical Characteristics of Terrestrial Electromagnetic Field Fluctuations

K. P. Garmash
V. Karazin National University of Kharkov
S. G. Leus
V. Karazin National University of Kharkiv
S. A. Pazura
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine
S. N. Pokhil'ko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

RÉSUMÉ

Magnetometric complex of Kharkov National University has been described briefly. Principal statistical characteristics of variations of H - and D -components of the geomagnetic field in 1999 (duration of the observations was 1488 hours) have been calculated. It has been shown that at averaging on the time interval no less than 10 min statistical distributions of signal amplitudes differ noticeably from normal law. Temporal variations of the sampling root-mean-square deviations σH and σD reflect the nature of processes in the geospace (a level of geomagnetic and solar activity, diurnal variations etc.). Spectral and wavelet analysis has confirmed that variations of magnetometric signals H(t) and D(t) besides general information on variations of space weather contain also information on more "subtle" processes in the geospace (amplitude value, pulsation period, pulsation duration etc.).


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