Spectral analysis of Coronal Mass Ejection under the condition of Active Sun at Pakistan atmospheric regions

Abstract

In this communication, we use observations of solar flare duration for calculation of intensity of solar particles emitted at Pakistan atmospheric region over a period of 1979-2006, to predict local behavior with proper degree of accuracy. Actually short records not fully describe the diurnal cycle but different spectral technique like Periodogram and spectral density are helpful in disclosing the true picture behind any physical phenomena. We find hidden periodicities and pin-point the peak frequencies in the time series during active sun by applying confidence limits to the peaks of these spectral estimates. The Fourier coefficients and spectral energy for different portion of the time series have also been calculated.