The European Space Agency's Galileo constellation - the world's most sophisticated satellite navigation system which was launched today - will have SELEX Galileo's PHM atomic clocks on board.
SELEXGalileo公司今天推出Galileo星座，该星座是世界上最先进的卫星导航系统，卫星上将装备SELEX Galileo公司的PHM原子钟。
In this paper, making full use of the constraint of constellation structure, an autonomous navigation method of constellation based on inter-satellite measurement was studied.
本文充分利用星座本身构成的空间约束，研究了基于星间观测的星座自主导航方法。
For enhancing the ability of survivability and auto-control, the requirement of autonomous navigation is brought forward to the formation flying spacecraft and satellite constellation.
为了提高自主生存与自主管理能力，对各类星座及编队飞行的航天器提出了自主导航与定位要求。
For enhancing the ability of survivability and auto-control, the requirement of autonomous navigation is brought forward to the formation flying spacecraft and satellite constellation.
为了提高自主生存与自主管理能力，对各类星座及编队飞行的航天器提出了自主导航与定位要求。
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