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We present a comparative study of three techniques used to estimate the scintillation index using interplanetary scintillation (IPS) observations carried out by the Big Scanning Array (BSA), which operates at a frequency of 111 MHz. These techniques are based on: rms analysis on-source and off-source (classic), Fourier, and wavelet transforms. IPS data are analyzed separately for the period of low...
The power spectra of intensity fluctuations in interplanetary scintillation (IPS) observations can be used to estimate solar-wind speeds in the inner heliosphere. We obtain and then compare IPS spectra from both wavelet and Fourier analyses for 12 time series of the radio source 3C48; these observations were carried out at Japan’s Solar-Terrestrial Environment Laboratory (STEL) facility, at 327 MHz...
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