Quasi real-time positioning of spacecrafts using the Internet VLBI system

被引：0
|
作者：
Kondo, T [1 ]
Koyama, Y [1 ]
Ichikawa, R [1 ]
Sekido, M [1 ]
Osaki, H [1 ]
机构：
[1] Kashima Space Res Ctr, Commun Res Lab, Ibaraki 3148501, Japan
来源：
Window on the Future of Geodesy | 2005年 / 128卷
关键词：
Internet VLBI; delta VLBI;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We started the development of a quasi real time technique for spacecraft positioning by using the Internet-VLBI system in collaboration with the Institute of Space and Astronautical Science (ISAS). A series of VLBI observations receiving the signals from Japanese spacecraft GEOTAIL and NOZOMI have been carried out since June, 2002 to establish an observation method and to evaluate the measurement accuracy. At present it is possible to obtain the time delay which is a VLBI observable to use for satellite positioning within a few days after observations. Orbital determination software is under development in parallel to the improvement of observation data processing software. Phase delay measurement software is also under development to increase the measurement accuracy.
引用
收藏
页码：113 / 118
页数：6
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