The Scheme of LLSST based on Inter-satellite Link for Planet Gravity Field Measurement in Deep-space Mission
Gravity field measurement for the interested planets and their moos in solar system, such as Luna and Mars, is one important task in the next step of deepspace mission. In this paper, Similar to GRACe mission, LLSST and DOWR technology of common-orbit master-slave satellites around task planet is inherited in this scheme. Furthermore, by intersatellite 2-way UQPSK-DSSS link, time synchronization and data processing are implemented autonomously by master-slave satellites instead of GPS and ground facilities supporting system. Conclusion is derived that the 1SL DOWR based on 2-way incoherent time synchronization has the same precise level to GRACe DOWR based on GPS time synchronization. Moreover, because of inter-satellite link, the proposed scheme is rather autonomous for gravity field measurement of the task planet in deep-space mission.
GRACE satellite-to-satellite tracking dual 1-way ranging inter-satellite link UQPSK-DSSS
YANG Yikang LI Xue LIU Lei
Institute of Astronautics and Aeronautics, University of Electronic Science and Technology, Chengdu, Institute of Astronautics and Aeronautics, University of Electronic Science and Technology,Chengdu,
国际会议
International Conference on Space Information Technology 2009(2009年第三届空间信息技术国际会议)
北京
英文
1-10
2009-11-26（万方平台首次上网日期，不代表论文的发表时间）