Chernogor, L.Lazorenko, O.Onishchenko, A.2024-12-042024-12-042021Chernogor L. F. Time-Frequency and Fractal Analyses of the Earth's Magnetic Field Variations Appeared During Powerful Geospace Storms Took Place in September 2017 / L. F. Chernogor, O. V. Lazorenko, A. A. Onishchenko // Astronomy and Space in the Kyiv University : Book of Abstracts International Conference, 25-28 May 2021). - Kyiv : Taras Shevchenko National University of Kyiv Astronomical Observatory, 2021. - P. 90-91.https://openarchive.nure.ua/handle/document/29353According to the non-linear and the system paradigms, many processes generated in open, non-linear, dynamical systems under influence of a powerful source of energy release are appeared to be short-time, ultrawideband, non-linear and fractal.enConference proceedings