摘要
以我国正在实施的探月计划嫦娥一号月球探测器飞行测控需求为背景,利用数值仿真的方法,考虑现有USB卫星测控网和中国科学院VLBI射电天文观测网分布,在观测弧段受到限制的前提下,探讨了环月探测器测轨手段和测控弧段的选择及其相应的定轨精度。
In light of the TT&C system's need of on-going Chinese Lunar Exploration Mission 'Chang El', the orbit measurement types, controlled arc choice and corresponding orbital determination accuracy are discussed by numerical simulation, at the same time current joint tracking network of United S-Band (USB), and Very Long Baseline Interferometry(VLBI) network of Chinese Academy of Sciences under the limit of observation arc are considered.
出处
《航天器工程》
2007年第3期21-26,共6页
Spacecraft Engineering
基金
国家自然科学基金资助项目"基于卫星激光测高的绕月卫星定轨和月球重力场恢复"(项目编号:40674005)
关键词
环月轨道
短弧定轨
VLBI
circumlunar orbit
short-arc orbital determination
VLBI