基于归一化点源灵敏度的大口径光学望远镜抖动误差评估

IF 2.6 3区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS Frontiers in Astronomy and Space Sciences Pub Date : 2023-12-15 DOI:10.3389/fspas.2023.1311323
Yuan-Guo Liu, Yang Fei, Jia-Kang Zhu, Yin-Long Huo
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引用次数: 0

摘要

为了全面分析大口径光学望远镜的抖动误差,本文引入归一化点源灵敏度(PSSn)来评估望远镜系统。首先介绍了归一化点源灵敏度(PSSn)的概念和基本特性,然后通过模型分析了预期随机载荷下的抖动误差以及各模式对总抖动的贡献率。研究了系统在不同误差源影响下的 PSSn,并估计了其变化趋势。通过对 Strehl 比值等评估方法和本文提出的方法进行比较,发现本文提出的方法具有数据更准确、计算更简洁的特点。本文提出的抖动误差评估方法结合 PSSn,为大口径光学望远镜系统的设计和检测提供了切实可行的有益指导。
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Jitter error evaluation in large-aperture optical telescopes based on normalized point source sensitivity
To comprehensively analyze the jitter error in large-aperture optical telescopes, this paper introduces normalized point source sensitivity (PSSn) to evaluate the telescope system. First, the concept and basic properties of PSSn were introduced, and then the jitter error under expected random loads and the contribution percentage of each mode to the total jitter were analyzed through a model. The PSSn of the system under the influence of different error sources was studied, and its variation trend was estimated. A comparison of evaluation methods, such as the Strehl ratio, and the proposed method reflects the characteristics of more accurate data and a more concise calculation. The jitter error evaluation method proposed in this article, combined with PSSn, provides practical and beneficial guidance for the design and detection of large-aperture optical telescope systems.
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来源期刊
Frontiers in Astronomy and Space Sciences
Frontiers in Astronomy and Space Sciences ASTRONOMY & ASTROPHYSICS-
CiteScore
3.40
自引率
13.30%
发文量
363
审稿时长
14 weeks
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