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

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v74.i12.60
pages 1109-1122

DISTURBANCES OF LOWER IONOSPHERE ABOVE THE CENTER OF EARTHQUAKE AND ANOMALY IN THE GLOBAL ELECTROMAGNETIC RESONANCE SIGNAL. PART 2. ANOMALIES IN THE POWER SPECTRA

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

RESUMO

We model impact of the ionosphere disturbance centered above the earthquake at Taiwan on the electric and magnetic Schumann resonance records in Japan. Changes in the resonance spectra arise from the interference of the direct radio wave with the wave reflected from the ionosphere modification above the earthquake. The disturbance model is used that was described in the first part of this work. Solution of the Stratton-Chu integral equation is used for describing the wave diffraction and scattering. Observations of the Optical Transient Detector (OTD) satellite are used for modeling the spatial distribution of global thunderstorms. Computations showed that abrupt changes occur in the spectra of all field components resembling the observational results. The features of seismogenic anomalies are discussed.


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