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Updated: May 19, 2026

Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
Published on: February 27, 2016
Comparison of probability density functions for analyzing irradiance statistics due to atmospheric turbulence
Jason R W Mclaren1, John C Thomas, Jessica L Mackintosh
1Applied Physics, School of Electrical and Information Engineering, University of South Australia, Mawson Lakes, SA 5095, Australia.
Abstract:
A large number of model probability density functions (PDFs) are used to analyze atmospheric scintillation statistics. We have analyzed scintillation data from two different experimental setups covering a range of scintillation strengths to determine which candidate model PDFs best describe the experimental data. The PDFs were fitted to the experimental data using the method of least squares. The root-mean-squared fitting error was used to monitor the goodness of fit. The results of the fitting were found to depend strongly on the scintillation strength. We find that the log normally modulated Rician and the log normal PDFs are the best fit to the experimental data over the range of scintillation strengths encountered.
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