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Atmospheric and Oceanic Optics

2012 year, number 11

An algorithm for computer simulation of time-evolving turbulence in atmospheric and adaptive optics applications

P.A. Konyaev
Keywords: вычислительные алгоритмы, компьютерное моделирование, случайные процессы, атмосферная турбулентность, адаптивная оптика, computational algorithms, computer simulations, random media, atmospheric turbulence, adaptive optics

Abstract

A modified spectral-phase algorithm for computer generation of time-evolving random processes and fields has been developed. Use is made of a combined autoregressive moving-average model, described by a discrete difference equation. The implementation of the algorithm is shown to be simple and efficient in simulations of dynamic problems of atmospheric and adaptive optics.