ESTIMATION OF PARAMETERS OF NON-STATIONARY GEOPHYSICAL SIGNALS BASED ON TWO-STAGE APPROXIMATIONS USING LOCAL MODELS

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The authors have developed a technology for estimating the parameters of non-stationary geophysical signals, using a two-stage approximation with local approximation models at the first stage and weighted averaging at the second stage. This article considered an example of estimating the amplitude, frequency and trend parametric functions for geomagnetic pulsations Pc1.

作者简介

V. Getmanov

Geophysical Center of the Russian Academy of Sciences

A. Gvishiani

Geophysical Center of the Russian Academy of Sciences; Schmidt Institute of the Physics of the Earth Russian Academy of Sciencies

Email: rjes@wdcb.ru
ORCID iD: 0000-0002-4874-7475
SPIN 代码: 6326-2373
Scopus 作者 ID: 6602466383
academician Russian Academy of Sciences, doctor of physical and mathematical sciences

V. Pilipenko

Geophysical Center of the Russian Academy of Sciences; Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences

Email: pilipenko_va@mail.ru
ORCID iD: 0000-0003-3056-7465
SPIN 代码: 6945-7273
Scopus 作者 ID: 35550831000
Laboratory of Electronic Publications, doctor of physical and mathematical sciences

D. Stukov

Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences

参考

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  2. Getmanov V. G., Dabagyan R. A., Sidorov R. V. Studying geomagnetic pulsation characteristics with the local approximation method // Geomagnetism and Aeronomy. — 2016. — Vol. 56, no. 2. — P. 195–202. — DOI: 10. 1134/S0016793216020055.
  3. Getmanov V. G., Dovbnya B. V., Kornilov A. S. Estimating the Frequency and Amplitude Parameters of the Serpentine Emission Type of Geomagnetic Pulsations // Geomagnetism and Aeronomy. — 2018. — Vol. 58, no. 4. — P. 523–532. — doi: 10.1134/s0016793218040060.
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