STUDY OF SOLAR FLARES IN CENTIMETER RANGE BY DYNAMICAL METHODS
Keywords:
Solar radio emissions, solar flares, quasi-periodic pulsations, fractal analysis, empirical method of signal decomposition into modesAbstract
The article investigates oscillatory processes in solar flares based on observational data obtained by a 12-meter radio telescope at a frequency f=3 GHz belonging to the Ionosphere Institute of the Kazakhstan Republic. The results of a brief review of methods for processing non-stationary time series suggest that the requirement of adaptability is also important. It is shown that this possibility is provided by the method proposed by Norden Huang. For clarity, the method of implementing EMD (Empirical Mode Decomposition) - the method of decomposing signals into functions (modes) will be considered using the example of a digital signal array x(t). In order to obtain more realistic results, the type of series was determined using fractal analysis. It is shown
that at this stage, for the reliability of obtaining quasi-periodic pulsations (QPPs), it is necessary to carry out visual control and compare the results obtained by different methods
