Abstract

A model that characterizes the atmospherically induced scintillation on a signal from an exoatmospheric source is presented. A major conclusion of the analysis is that the reduction in the level of experimentally measured scintillation for targets of increasing subtense is as much influenced by the viewing geometry and isoplanatism of the atmosphere as the angular subtense of the source. Elements of the theory have been verified by comparing the model’s predictions with experimental data.

© 1976 Optical Society of America

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