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天文成像数值仿真的相位屏模拟方法
Alternative TitleNumerical Simulations of Astronomical Imaging with the Phase-Screen Method
常翔; 李荣旺; 熊耀恒
Source Publication天文研究与技术(Astronomical Research & Technology)
2012-01
Volume9Issue:1Pages:46-55
DOI10.14005/j.cnki.issn1672-7673.2012.01.009
ClassificationP427.1
Contribution Rank第1完成单位
Indexed ByCSCD
Keyword天文成像 数值仿真 大气光学 相位屏模拟
Abstract

通过利用Monte-Carlo方法对湍流相位屏模拟进行验证和分析。给出加入次谐低频补偿相位屏与直接谱反演相位屏的对比结果,并分析了在考虑内外尺度时次谐低频补偿方法的有效性。此外,给出了基于天文观测的多相位屏的湍流分层模型。在此基础上对天文成像进行数值仿真,并给出了仿真结果。

Other Abstract

In this paper we present a study of simulating turbulence-influenced phase screens.Effects of inner and outer scales of turbulences on phase screens in simulating with different Monte-Carlo methods are analyzed.Our result shows the effectiveness of the SH-FFT method under certain specific astronomical observational conditions.By using multiple-layer model of atmospheric turbulences(corresponding to multiple phase screens),we introduce a new method for simulating astronomical images of short and long exposures.Using the new method,we simulated images of a point source with and without the correction by an AO system.

Funding Project国家自然科学基金[10778705]
Funding Organization国家自然科学基金[10778705]
Language中文
Subject Area天文学 ; 天文学其他学科
MOST Discipline Catalogue理学 ; 理学::天文学
ISSN1672-7673
Archive Date2012-02-07
CSCD IDCSCD:4442157
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7525
Collection应用天文研究组
Affiliation中国科学院国家天文台/云南天文台, 云南, 昆明, 650011
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
常翔,李荣旺,熊耀恒. 天文成像数值仿真的相位屏模拟方法[J]. 天文研究与技术(Astronomical Research & Technology),2012,9(1):46-55.
APA 常翔,李荣旺,&熊耀恒.(2012).天文成像数值仿真的相位屏模拟方法.天文研究与技术(Astronomical Research & Technology),9(1),46-55.
MLA 常翔,et al."天文成像数值仿真的相位屏模拟方法".天文研究与技术(Astronomical Research & Technology) 9.1(2012):46-55.
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