The city district space navigation system is closely relevant to people's daily life, provides convenient guides for the traffic, and is a significant part of a city's image.
城市街区空间引导系统与人们的日常生活息息相关，为人们的出行提供了便捷的标识引导，同时它也是城市形象的重要组成部分之一。
The Launch and Test Range System includes ground-based surveillance, navigation, flight operations and analysis, command and control, communications and weather assets for space missions.
发射和测试系统包括空间飞行的地面系统任务的监视，导航，飞行操作和分析，指挥和控制，通信和气象资产。
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。
The navigation system based on binocular vision technique does not depend on the measure distance from the sensor onboard, and is applied widely in the field of deep space exploration.
采用双目视觉技术的导航系统具有不依靠测距信息等优点，因此在深空探测领域具有广泛的应用前景。
Radio navigation makes use of wireless wave, which can be divided into land-based and space-based system according to the position of base point.
无线电导航是利用无线电电波的波速进行导航的方法，根据导航基点可分为陆基导航和空基导航。
Two clusters of formation flying satellites with a relative angle on geosynchronous earth orbit were used to construct a space-based continuous navigation system for deep space exploration.
介绍了目前各国应用的多种地基和天基空间目标探测与识别系统，并对各系统的性能进行了详细的分析和总结。
Two clusters of formation flying satellites with a relative angle on geosynchronous earth orbit were used to construct a space-based continuous navigation system for deep space exploration.
介绍了目前各国应用的多种地基和天基空间目标探测与识别系统，并对各系统的性能进行了详细的分析和总结。
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