A Method for Recognition of Sudden Commencements of Geomagnetic Storms Using Digital Differentiating Filters
Source abstract
Abstract
This article describes a method for recognizing sudden commencement events using digital differentiating filters. This method is applied to INTERMAGNET observatory data. Maximum amplitude derivatives for the magnetic components (X, Y, Z) and the total intensity (F) of the geomagnetic field are introduced, and the decision-making rule is formulated. The authors developed a procedure for selecting optimal digital differentiating filters. Estimates of probabilities of correct and false recognition of sudden commencements were obtained. The calculations of the probabilistic characteristics have confirmed the effectiveness of the method.
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Research context
OpenAlex topics: Earthquake Detection and Analysis · Geomagnetism and Paleomagnetism Studies · Complex Systems and Time Series Analysis
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Affiliations
Geophysical Center, Russian Academy of Sciences (GC RAS), 119296 Moscow, Russia
Schmidt Institute of Physics of the Earth, Russian Academy of Sciences (IPE RAS), 123242 Moscow, Russia
References (13)
Show source-provided references
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