IOE OpenIR  > 自适应光学技术研究室(八室)
点源信标相关哈特曼-夏克波前传感器光斑偏移测量误差分析
陈林辉; 饶长辉
Source Publication物理学报
Volume60Issue:9Pages:185-192
2011
Language中文
Subtype期刊论文
Abstract在基于哈特曼-夏克波前传感器(SH-WFS)的自适应光学系统中,通常采用质心算法探测点源信标的子孔径光斑偏移量.然而质心算法探测精度受到诸如减阈值等因素的影响,在低信噪比(SNR)时不能准确估计光斑质心位置,而相关哈特曼算法不需要减阈值,具有更好的鲁棒性.本文在介绍相关SH-WFS基本原理的基础上,通过建立基于点源信标探测的相关SH-WFS算法的随机噪声模型,推导了光斑偏移测量误差表达式,系统分析了光子噪声、CCD读出噪声、背景光子噪声等因素对相关SH-WFS测量误差的影响.并进行了数值仿真及实验,仿真计算...
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6223
Collection自适应光学技术研究室(八室)
Corresponding Author陈林辉
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
陈林辉,饶长辉. 点源信标相关哈特曼-夏克波前传感器光斑偏移测量误差分析[J]. 物理学报,2011,60(9):185-192.
APA 陈林辉,&饶长辉.(2011).点源信标相关哈特曼-夏克波前传感器光斑偏移测量误差分析.物理学报,60(9),185-192.
MLA 陈林辉,et al."点源信标相关哈特曼-夏克波前传感器光斑偏移测量误差分析".物理学报 60.9(2011):185-192.
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