УДК 550.8

ESTIMATION OF PARAMETERS OF NON-STATIONARY GEOPHYSICAL SIGNALS BASED ON TWO-STAGE APPROXIMATIONS USING LOCAL MODELS Estimation of Parameters of Non-stationary Geophysical Signals Based on Two-Stage Approximations Using Local Models

Опубликовано в Russian Journal of Earth Sciences · Том 25, Номер 2 · Страницы 2–6 · Рубрика: Спецвыпуск: "Наука о данных, геоинформатика и системный анализ в изучении Земли"
DOI: https://doi.org/10.2205/2025ES000979 · EDN: ZWLDSR
Получено: 15.11.2024 Одобрено: 15.04.2025 Опубликовано: 23.05.2025 Язык публикаций: ENG
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.
geophysical signals, geomagnetic pulsations, estimation, non-stationary parameters, two-stage approximation
Финансирование
The work was carried out within the framework of the state assignment for the GC RAS and the IPE RAS, approved by the Ministry of Science and Higher Education of the Russian Federation.
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