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The effective outer scale estimation for Euro50 site

机译:Euro50网站的有效外部规模估算

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摘要

Modeling the performance of future ground-based extremely large telescopes with the AO system requires an atmospheric model and a corrective algorithm. The atmospheric model employed here is the ORM (Observatorio del Roque de los Muchachos) 7 layer model with an outer scale distribution. Using an analytical algorithm for atmospheric correction the performance of the Euro50 telescope is analyzed. The influence of a distributed outer scale on the strokes of the adaptive mirrors is investigated. It is concluded that for modeling the AO system performance the account for variations of outer scale with altitude is of no great importance, and a simplified atmospheric model with the effective outer scale common for all layers may be used. The knowledge of effective outer scale is sufficient for setting requirements on the mirror strokes.
机译:使用AO系统对未来的地面超大型望远镜的性能进行建模需要大气模型和校正算法。这里采用的大气模型是具有外部比例分布的ORM(Observatorio del Roque de los Muchachos)7层模型。使用用于大气校正的解析算法,对Euro50望远镜的性能进行了分析。研究了分布的外部标尺对自适应镜的行程的影响。得出的结论是,对AO系统性能进行建模时,考虑外部尺度随高度的变化并不重要,可以使用简化的大气模型,其有效外部尺度对于所有层都是相同的。有效的外部标尺知识足以满足对镜面行程的要求。

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