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A multiscale stochastic approach for phase screens synthesis | IEEE Conference Publication | IEEE Xplore

A multiscale stochastic approach for phase screens synthesis


Abstract:

Simulating the turbulence effect on ground telescope observations is of fundamental importance for the design and test of suitable control algorithms for adaptive optics ...Show More

Abstract:

Simulating the turbulence effect on ground telescope observations is of fundamental importance for the design and test of suitable control algorithms for adaptive optics systems. In this paper we propose a multiscale approach for efficiently synthesizing turbulent phases at very high resolutions: First, the turbulence is simulated at low resolution taking advantage of a previously developed method for generating phase screens, [2]. Then, high resolution phase screens are obtained as the output of a multiscale linear stochastic system. The multiscale approach significantly improves the computational efficiency of turbulence simulation with respect to recently developed methods [1],[2],[8]. Furthermore, the proposed procedure ensures good accuracy in reproducing the statistical characteristics of the turbulent phase.
Date of Conference: 29 June 2011 - 01 July 2011
Date Added to IEEE Xplore: 18 August 2011
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Conference Location: San Francisco, CA, USA

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