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Ground Layer Adaptive Optics: Analysis of the wavefront sensing issue

机译:地面层自适应光学器件:波前感测问题的分析

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Here are presented the basis of an analytical development whose purpose is to give arguments for the evaluation of wavefront sensing concepts for Ground Layer Adaptive Optics. Simple hypothesis make possible the derivation of analytical expressions for the phase measurement error and reveal consequent differences between Star Oriented and Layer Oriented concepts. Influence of key parameters such as guide star statistics or strength of the turbulence in altitude are then studied. In the Layer Oriented case, necessity of reducing the guide stars flux dispersion to achieve a uniform correction in the field of interest is demonstrated.
机译:这里介绍了分析开发的基础,其目的是为评估地面层自适应光学器件的波前传感概念提供论据。简单的假设使相位测量误差的解析表达式的推导成为可能,并揭示了“星状”和“层状”概念之间的差异。然后研究关键参数的影响,例如制导星统计数据或高度湍流强度。在面向层的情况下,证明了减小导星通量色散以实现感兴趣领域中均匀校正的必要性。

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