NAOC Open IR
对迭代最小二乘法天文像复原方法的改进
刘忠; 邱耀辉; 楼柯; 卢汝为
2002
Source Publication光学学报
ISSN0253-2239
Volume022Issue:003Pages:276
Abstract在天文班点成像技术中,Hofmann等提出的迭代最小二乘法--积木法,能避免在由被观测目标像的重谱复原相位谱时复杂的相位递推过程,因此相误差的传递和积累也被消除了,但在该方法中,存在着新的问题;需要大量投放木块的迭代次数和长时间的处理过程,为提高该方法的工作效率,用“迭代位移叠加法”对目标斑点图进行预处理,经少数几次位移叠加的步骤后,很快就提供了目标像的基本结构和分布,得到了积木块投放点的位置,从而避免了盲目投放,大大减少了迭代投放的次数,显著地提高了该方法的效率。
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/47079
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
刘忠,邱耀辉,楼柯,等. 对迭代最小二乘法天文像复原方法的改进[J]. 光学学报,2002,022(003):276.
APA 刘忠,邱耀辉,楼柯,&卢汝为.(2002).对迭代最小二乘法天文像复原方法的改进.光学学报,022(003),276.
MLA 刘忠,et al."对迭代最小二乘法天文像复原方法的改进".光学学报 022.003(2002):276.
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