| 哈特曼技术在序列光斑检测中的应用 |
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| 引用本文： | 母一宁,刘泉,于林韬,李平.哈特曼技术在序列光斑检测中的应用[J].光学精密工程,2011,19(9):2197-2204. |
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| 作者姓名： | 母一宁 刘泉 于林韬 李平 |
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| 作者单位： | 长春理工大学,吉林长春,130022 |
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| 基金项目： | 国家863高技术研究发展计划资助项目(No.2003AA712014) |
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| 摘 要： | 为了提高水平链路大气无线激光通信中的对准精度,降低强湍流对激光通信的影响,对系统结构进行了改进并研究了光斑检测对准算法.首先,根据哈特曼-夏克传感器对波前畸变局部的实时探测结果,计算局部畸变的变化量,从而实时确定局部截止频率-局部判决阈值Tn.接着,采用统计序列均方误差获取序列采样信息M(Xi,Yi),并根据局部阈值判...
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| 关 键 词： | 序列信息 圆心拟合 波前畸变 最小均方误差 哈特曼技术 |
Application of Hartmann technique in sequence spot detection |
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| MU Yi-ning,LIU Quan,YU Lin-tao,LI Ping.Application of Hartmann technique in sequence spot detection[J].Optics and Precision Engineering,2011,19(9):2197-2204. |
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| Authors: | MU Yi-ning LIU Quan YU Lin-tao LI Ping |
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| Affiliation: | MU Yi-ning,LIU Quan,YU Lin-tao,LI Ping* (Changchun University of Science and Technology,Changchun 130022,China) |
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| Abstract: | The structure of the system is aimed at improving the spot detection algorithm,in order to improve the level of an atmospheric wireless laser communication link alignment accuracy by reducing the impact of turbulence on laser communication.First,we calculate the changes in the local distortion to determine the real-time local decision threshold Tn by a Hartmann-Shack wave-front sensor on the local distortion of the results of real-time detection.We then obtain the sequence of Mean Square Error(MSE) from the... |
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| Keywords: | sequence information circle fitting wavefront aberration Minimum Mean-square Error(MMSE) Hartmann technique |
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