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计量学报  2012, Vol. 33 Issue (1): 5-11    DOI: 10.3969/j.issn.1000-1158.2012.01.02
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嫦娥一号激光高度计在轨测量数据误差分析研究
王东霞1,2,宋爱国1,温秀兰2,汪凤林2
1.东南大学仪器科学与工程学院, 江苏 南京 210096
2.南京工程学院自动化学院, 江苏 南京 211167
Errors Analysis on Lunar Surface On-orbit Elevation Data Measurement with the Laser Altimeter on Chang‘e-1 Satellite
WANG Dong-xia1,2,SONG Ai-guo1,WEN Xiu-lan2,WANG Feng-lin2
1.School of Instrument Science and Engineering, Southeast University, Nanjing, Jiangsu 210096, China; 2.The school of Automation,Nanjing Institute of Technology, Nanjing, Jiangsu 211167, China
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摘要 利用嫦娥一号卫星(CE-1)激光高度计在轨探测科学数据,研究激光高度计月球高程探测误差。对月球南北极纬度60°~90°范围进行月球表面区域划分,进行高程测量重复点的搜索、区域高程粗差的剔除、残差和标准差的计算,并给出处理后区域残差与标准差的分布,对月球南北极区的处理结果作出对比分析,得出南极区纬度60°~90°内区域平均标准差较北极区域偏大。该处理结果为进一步分析激光高度计测量误差的来源提供科学依据,为探月卫星携带的各种有效载荷的设计在精度要求上提供理论指导和参考数据。
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王东霞
宋爱国
温秀兰
汪凤林
关键词 计量学嫦娥一号激光高度计月面高程误差分析    
Abstract:To study the detecting errors of lunar elevation of Laser Altimeter, the on-orbit measurement data obtained from Laser Altimeter of Chinese Chang’e-1 is investigated. Firstly, the elevation data from latitude 60°to 90°in the South and North Polar Regions are divided into different small sectors along latitude directions. Secondly, a series of process were developed in each small sector, such as searching the elevation repeated data, rejecting the gross error (pseudo elevation) data, calculating the residual error and standard deviation and presenting the results. Finally, the processing results from the South and North Polar Regions were compared and analyzed. And it turned out that the average standard deviation of the South Polar Regions which latitude is between 60°and 90° is larger than that of the North Polar Region. The research results will provide the scientific basis for further analyzing error sources of Laser Altimeter. And they also offer theory guidance and reference data to the design of effective loading which exploring satellites carry.
Key wordsMetrology    Chang'E-1 satellite    Laser Altimeter    Elevation of lunar surface    Errors analysis
    
PACS:  TB92  
基金资助:国家高新技术研究发展计划项目(2010AA122206);国家自然科学基金(51075198);江苏省自然科学基金(BK2010479)
作者简介: 王东霞(1974-),女,河南南阳人,南京工程学院讲师,东南大学博士生。研究方向为测控技术与精密计量。zdhxwdx@njit.edu.cn
引用本文:   
王东霞,宋爱国,温秀兰,汪凤林. 嫦娥一号激光高度计在轨测量数据误差分析研究[J]. 计量学报, 2012, 33(1): 5-11.
WANG Dong-xia,SONG Ai-guo,WEN Xiu-lan,WANG Feng-lin. Errors Analysis on Lunar Surface On-orbit Elevation Data Measurement with the Laser Altimeter on Chang‘e-1 Satellite. Acta Metrologica Sinica, 2012, 33(1): 5-11.
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