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题名:
Comparison of several stochastic parallel optimization algorithms for adaptive optics system without a wavefront sensor
作者: Yang, Huizhen; Li, Xinyang
刊名: OPTICS AND LASER TECHNOLOGY
出版日期: 2011-04-01
卷号: 43, 期号:3, 页码:630-635
关键词: Adaptive optics system ; Stochastic parallel optimization algorithm ; Numerical simulation
文章类型: Article
英文摘要: Optimizing the system performance metric directly is an important method for correcting wavefront aberrations in an adaptive optics (AO) system where wavefront sensing methods are unavailable or ineffective An appropriate Deformable Mirror control algorithm is the key to successful wavefront correction Based on several stochastic parallel optimization control algorithms an adaptive optics system with a 61-element Deformable Mirror (DM) is simulated Genetic Algorithm (GA) Stochastic Parallel Gradient Descent (SPGD) Simulated Annealing (SA) and Algorithm Of Pattern Extraction (Alopex) are compared in convergence speed and correction capability The results show that all these algorithms have the ability to correct for atmospheric turbulence Compared with least squares fitting they almost obtain the best correction achievable for the 61-element DM SA is the fastest and GA is the slowest in these algorithms The number of perturbation by GA is almost 20 times larger than that of SA, 15 times larger than SPGD and 9 times larger than Alopex (C) 2010 Elsevier Ltd All rights reserved
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics ; Physics, Applied
研究领域[WOS]: Optics ; Physics
关键词[WOS]: MICROSCOPY ; SIMULATION
收录类别: SCI
语种: 英语
WOS记录号: WOS:000284656900031
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3454
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: Chinese Acad Sci, Key Lab Adapt Opt, Beijing 100864, Peoples R China

Recommended Citation:
Yang, Huizhen,Li, Xinyang. Comparison of several stochastic parallel optimization algorithms for adaptive optics system without a wavefront sensor[J]. OPTICS AND LASER TECHNOLOGY,2011,43(3):630-635.
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