NAOC Open IR
佳木斯66m射电望远镜指向精度测量及改进
喻业钊1; 韩雷2; 周爽2; 余烨2; 张建辉2; 彭灵翔2; 唐德毓2; 韩金林1
2016
Source Publication天文研究与技术
ISSN1672-7673
Volume13Issue:4Pages:408
Abstract指向误差是射电望远镜运行的重要性能指标之一。为保证射电流量的测量精度,一般要求射电望远镜的指向误差小于十分之一波束宽度。对佳木斯66 m射电望远镜的指向进行了大量的测量,详细分析了指向误差的分布。利用新的基本参数模型进行误差修正后,佳木斯66 m射电望远镜的指向误差仍然随方位和俯仰有较明显的变化。分析认为,这种变化趋势是方位轴与俯仰轴夹角和重力变形两个参量对方位俯仰变化的高阶项引起的。通过引入两个误差源的一阶展开项对基本参数模型进行改进,使佳木斯66 m射电望远镜的指向精度有了明显的提升,从45″改进到20″以内。
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53047
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.西安卫星测控中心佳木斯深空站
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
喻业钊,韩雷,周爽,等. 佳木斯66m射电望远镜指向精度测量及改进[J]. 天文研究与技术,2016,13(4):408.
APA 喻业钊.,韩雷.,周爽.,余烨.,张建辉.,...&韩金林.(2016).佳木斯66m射电望远镜指向精度测量及改进.天文研究与技术,13(4),408.
MLA 喻业钊,et al."佳木斯66m射电望远镜指向精度测量及改进".天文研究与技术 13.4(2016):408.
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