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提高Hartmann波前传感器质心探测精度的阈值方法
引用本文:沈锋,姜文汉.提高Hartmann波前传感器质心探测精度的阈值方法[J].光电工程,1997,24(3):1-8.
作者姓名:沈锋  姜文汉
作者单位:中国科学院光电技术研究所
基金项目:国家863高技术研究计划
摘    要:详细地讨论了Hartmann波前传感器质探测的误差来源。主要讨论了光量子起伏、CCD的背影电子噪声引起的质心探测误差,并对采样阈值对Hartmann波前传感器质心探测精度的影响进行了分析。本文对Hartmann波前传器的经设计以及实际操作提供了一定的理论依据。

关 键 词:波前传感器  哈特曼法  自适应光学  探测概率  阈值

Spatial Sorting Algorithm of the Extended Target Edged Data
Fan Weiguo,Zhang Qiheng.Spatial Sorting Algorithm of the Extended Target Edged Data[J].Opto-Electronic Engineering,1997,24(3):1-8.
Authors:Fan Weiguo  Zhang Qiheng
Abstract:The following sorting algorithm of the edged data proposed in the paper is used in the designing of the TV tracker for extended target.On the basis of looking for the starting point and taking the nearest range as the adjacent pixel,the algorithm searches in the chaining data structure and reconstructs the sequential data set of the edged data. Two features of the algorithm is that the storage has been saved and the sorting speed is fast.Since the chaining data structure is used,the storage for the original data and the result data has been saved by sharing.The searching speed can be raised by the avoiding of the repeated operating for the data searching.The sorting examples are given in the end of the paper.
Keywords:Television tracking systems  Target search  Edge detection  Spacial sorting  Extended target    
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