Longterm uplink irradiance statistics from reciprocity
Abstract
The conclusion of Fried and Meyers that the turbulenceinduced coherent diameter of optical fluctuations is lognormally distributed is expanded to derive from reciprocity the resulting power reduction and fluctuations of a narrow beam projected to a satellite. Analysis of probability distribution equations for the irradiance fluctuations shows that a lognormal distribution of the coherent diameter and the reciprocity inherent in the expression relating the coherent diameter on earth to the irradiance measured in space are consistent with the conclusion that beam wandering accounts for the major portion of the irradiance fluctuations.
 Publication:

Applied Optics
 Pub Date:
 April 1975
 DOI:
 10.1364/AO.14.000805
 Bibcode:
 1975ApOpt..14..805T
 Keywords:

 Atmospheric Optics;
 Irradiance;
 Light Beams;
 Statistical Analysis;
 Turbulence Effects;
 Astronomy;
 Fluctuation Theory;
 Light Transmission;
 Luminous Intensity;
 Probability Density Functions;
 Scintillation;
 Optics;
 TURBULENCE;
 ATMOSPHERES