Prediction of atmospherically induced wave-front degradations

Details Prediction of atmospherically induced wave-front degradations Prediction of atmospherically induced wave-front degradations

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992optl...17..466j&link_type=abstract

Optics Letters (ISSN 0146-9592), vol. 17, April 1, 1992, p. 466-468. Research supported by NSERC and Telecommunications Research

Physics

Optics

18

Adaptive Optics, Atmospheric Effects, Atmospheric Turbulence, Linear Prediction, Wave Front Deformation, Atmospheric Optics, Neural Nets, Seeing (Astronomy), Time Lag

Scientific paper

Accurate prediction of the short-term future behavior of atmospherically distorted wave fronts would permit the elimination of delays inherent in current adaptive-optics systems. It is shown by using astronomical image data that atmospherically induced wave-front distortions as represented by time series of wave-front tips and tilts measured in the visible and piston values measured in the infrared are predictable to a degree that would be useful in an adaptive-optics system. Adaptive linear predictors as well as predictors based on the back-propagation neural network are employed in this study.

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