YNAO OpenIR  > 射电天文研究组
Alternative TitleHigh-Precision VLBI Orbit Measurement Technology in the Chang'E-4 Mission
王广利1,2,3,4; 洪晓瑜1,2,3; 刘庆会1,3; 李斌1; 马军5; 苏彦6; 郝龙飞7
Source Publication深空探测学报(Journal of Deep Space Exploration)
ClassificationP164 ; V476.3 ; V556
Contribution Rank第7完成单位
Indexed By其他
Keyword嫦娥4号 VLBI 双差单向测距 中继星天线指向标定

"嫦娥4号"在国际上首次实现了月球背面软着陆和巡视勘察。"嫦娥4号"中继星任务中首次创新性使用S波段双差分单向测距(Delta Differential One-way Ranging,ΔDOR)测量技术,自主研制的S波段ΔDOR观测数据处理系统在探测器任务期间,首次实现了甚长基线干涉测量(Very Long Baseline Interferometry,VLBI)系统分时快速转换观测中继星和探测器;利用天马射电望远镜对中继星天线进行了在轨指向标定。深入分析了VLBI需要解决的主要技术问题,提出了具体的解决措施,通过重点对中继星、探测器实时任务期间的测量结果的分析,得出这些技术手段对任务目标的完成具有重要作用。

Other Abstract

Chang'E-4(CE-4)achieved the soft landing and patrol survey on the far side of the Moon for the first time in the world. The S-band ΔDOR measurement technology is used in the relay satellite mission,and the new S-band ΔDOR observation data processing system is developed. During the prober mission,the VLBI system realized fast time-sharing observations for the relay satellite and lander-rover combination prober for the first time;and the Tianma radio telescope is used to calibrate the relay satellite antenna in orbit. Considering the characteristics of CE-4,the key technical issues to be solved by the VLBI technology are analyzed,and specific measures are proposed. The analysis of the measurement results during the real-time mission of the two spacecraft show that these technical measures play important roles in the accomplishment of mission goals.

Funding Project国家自然科学基金资助项目[11873077]
Funding Organization国家自然科学基金资助项目[11873077]
Subject Area天文学 ; 射电天文学 ; 射电天文方法 ; 航空、航天科学技术
MOST Discipline Catalogue理学 ; 理学::天文学 ; 工学 ; 工学::航空宇航科学与技术
Citation statistics
Document Type期刊论文
Affiliation1.中国科学院上海天文台, 上海, 200030
2.中国科学院大学, 北京, 100049
3.上海市空间导航与定位技术重点实验室, 上海, 200030
4.中国科学院行星科学重点实验室. 上海, 200030
5.中国科学院新疆天文台, 乌鲁木齐, 830011
6.中国科学院国家天文台, 北京, 100101
7.中国科学院云南天文台, 昆明, 650011
Recommended Citation
GB/T 7714
王广利,洪晓瑜,刘庆会,等. “嫦娥4号”高精度VLBI测轨技术[J]. 深空探测学报(Journal of Deep Space Exploration),2020,7(4):332-339.
APA 王广利.,洪晓瑜.,刘庆会.,李斌.,马军.,...&郝龙飞.(2020).“嫦娥4号”高精度VLBI测轨技术.深空探测学报(Journal of Deep Space Exploration),7(4),332-339.
MLA 王广利,et al."“嫦娥4号”高精度VLBI测轨技术".深空探测学报(Journal of Deep Space Exploration) 7.4(2020):332-339.
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