The knowledge of the characteristics of the atmospheric turbulence is of fundamental importance in order to improve the performances of the adaptive optics systems in the next generation of telescopes. Starting from the statistical description of the turbulence, we derive a random field spatial model of the turbulent phase. Then we use this spatial statistical model to compute the spatial innovation. Finally, from the temporal covariances of the spatial innovation we estimate the number of the turbulence layers and their characteristics.
On the estimation of atmospheric turbulence layers
BEGHI, ALESSANDRO;CENEDESE, ANGELO;MASIERO A.
2008
Abstract
The knowledge of the characteristics of the atmospheric turbulence is of fundamental importance in order to improve the performances of the adaptive optics systems in the next generation of telescopes. Starting from the statistical description of the turbulence, we derive a random field spatial model of the turbulent phase. Then we use this spatial statistical model to compute the spatial innovation. Finally, from the temporal covariances of the spatial innovation we estimate the number of the turbulence layers and their characteristics.
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