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题名:
Optimal closed-loop bandwidth of tip-tilt correction loop in adaptive optics system
作者: Guo You-Ming1,2,3; Ma Xiao-Yu1,2; Rao Chang-Hui1,2
刊名: ACTA PHYSICA SINICA
出版日期: 2014-03-01
卷号: 63, 期号:6
关键词: adaptive optics ; tip-tilt tracking ; Tyler frequency ; closed-loop bandwidth
文章类型: Article
英文摘要: Based on the most widely used proportional-integrator controller of the tip-tilt correction loop in an adaptive optical system, the relationship between the optimal closed-loop bandwidth and the atmosphere turbulence as well as the sensor noise is analyzed. Numerical simulation is also performed by using the time serial signals that follow the power spectrum density of the global tilt of Kolmogorov turbulence. Results show that with different atmosphere turbulences and sensor noises, the correction capability of the tip-tilt correction loop can be brought into full play by choosing appropriate closed-loop bandwidth and the residual variance can be reduced.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: LASER-GUIDE-STAR
收录类别: SCI
语种: 英语
WOS记录号: WOS:000335390500058
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2460
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Guo You-Ming,Ma Xiao-Yu,Rao Chang-Hui. Optimal closed-loop bandwidth of tip-tilt correction loop in adaptive optics system[J]. ACTA PHYSICA SINICA,2014,63(6).
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