Positioning reduction in the real-time phase of Chang'E-2 satellite  

作　　者：LI JinLing LIU Li ZHENG WeiMin SUN ZhongMiao 

机构地区：[1]Shanghai Astronomical Observatory,Shanghai 200030,China [2]Xi'an Institute of Surveying and Mapping,Xi'an 710054,China

出　　处：《Science China(Physics,Mechanics & Astronomy)》2012年第2期371-374,共4页中国科学：物理学、力学、天文学（英文版）

基　　金：supported by the National Natural Science Foundation of China (Grant Nos.10973030 and 11178024);China’s Lunar Exploration Project (Chang’E-2 mission,Chang’E-3 mission);the Committee of Science and Technique of Shanghai (Grant No.06DZ22101)

摘　　要：The precision of VLBI tracking delays and the positioning reduction results during the real-time tracking phase of the Chang'E-2 satellite are statistically analyzed.The application of the positioning reduction to the real-time monitoring of pivotal arcs of the Chang'E-2 satellite is discussed.The technical specifications of the tests of tracking and control systems in X-band are estimated and evaluated via the positioning reduction method.Useful methodology and software are prepared and practical experience in engineering and technology is accumulated for the follow-up lunar and deep space explorations of China.The precision of VLBI tracking delays and the positioning reduction results during the real-time tracking phase of the Chang＇E-2 satellite are statistically analyzed. The application of the positioning reduction to the real-time monitoring of pivotal arcs of the Chang＇E-2 satellite is discussed. The technical specifications of the tests of tracking and control systems in X-band are estimated and evaluated via the positioning reduction method. Useful methodology and software are prepared and practical experience in engineering and technology is accumulated for the follow-up lunar and deep space explorations of China.

关 键 词：lunar exploration VLBI trajectory monitoring positioning reduction Chang＇E-2 satellite 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置] TG75[自动化与计算机技术—控制科学与工程]