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

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i19.50
pages 1735-1750

COMPARISON OF OBSERVED AND MODEL WAVEFORMS OF Q-BURSTS

A. P. Nickolaenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
Masashi Hayakawa
Hayakawa Institute of Seismo Electromagnetics Co. Ltd.(Hi-SEM), The University of Electro-Communications (UEC) Alliance Center #521, Advanced & Wireless and Communications Research Center, UEC, Chofu, Tokyo, 182-8585, Japan
Toshio Ogawa
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
Masayuki Komatsu
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine

要約

Experimental waveforms of natural ELF transient signals (Q-bursts) are compared with model computations. Vertical electric field component of Q-bursts was recorded at Tochi, Japan (33.3° N and 33.4° E) in 2003−2005. Separate pulses were chosen recoded in fair weather conditions in a wide frequency band with the help of the "ball" antenna. The computations were performed for the uniform isotropic spherical Earth − ionosphere cavity model with the linear frequency dependence of the wave propagation constant. Pulses arriving from different distances were compared, and each pair showed a high reciprocity of waveforms. Coincidence indicates that the model applied is correct; it simultaneously shows that distances are accurate found from the time delay between the first pulse and the antipodal wave.


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