然而卡洛·康泰迪说，用GPS人造卫星来同步时钟，远远达不到这个准确度，这是因为GPS人造卫星的信号本身也受到重力时间膨胀效应的影响。
But Contaldi says that GPS synchronization is not nearly that accurate, because GPS satellite signals are themselves subject to gravitational time dilation.
按照原计划，OCO将和其他五颗卫星构成链状的A字形，那五颗卫星分别用于监测臭氧、二氧化氮、甲烷以及其他的温室气体，并且在监测时间上它们与oco同步。
The plan was for OCO's measurements to be synchronised with an analysis of ozone, nitrogen dioxide, methane and other greenhouse gases by the rest of the fleet.
远距离、高精度的时间同步对SDH通信网、电力系统调控和卫星导航系统等有着极其重要的意义。
The long distance, high precision time synchronization is very important for SDH communication net, control of electric power system and satellite navigation system, etc.
激光时间传递是通过激光脉冲在空间的传播来实现地面与卫星时钟或地球上远距离两地时钟的同步。
Time transfer by laser pulses is based on the propagation of light pulses between satellite and ground clocks or between remote clocks on THC Earth.
针对卫星导航系统站间时间同步的需求，系统地总结了传统的时间传递方法。
With the demand of time synchronization between ground stations of satellite navigation system, the traditional time transfer methods are summarized systematically.
在卫星星座内的时间同步中，为满足时间同步信号的传输要求，需要对星间链路进行分析和设计。
It is necessary to analyze and design the intersatellite link (ISL) for satisfying the requirement of time synchronization signal transmitting in satellite constellation time synchronization.
天气状况允许，一枚同步通讯卫星将于下月某个时间发射升空。
A simultaneous communications satellite will be launched into space sometime next month if the weather conditions allow.
概述了卫星导航系统的时间同步问题和卫星导航的设备零值及其标校问题。
This paper describes the issues in terms of time synchronization in satellite navigation systems, satellite navigation device zero point, and device zero point calibration.
对影响导航定位系统定位精度的各种因素进行了分析。研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。
In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.
计算了同步卫星干扰及干扰时间预测，也分析了中低轨道卫星干扰问题。
Interference to CSRH and forecast from synchronous orbit satellite, and interference due to low and middle orbit satellite are analysed.
GPS卫星同步时钟广泛用作广播电视、电力等系统的同步时钟及车站、机场等公共场所的时间显示。
The clock signal provided by Global Positioning system GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.
研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。
In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.
研究了实现卫星定位接收机终端时间与卫星系统时间保持实时同步的一种异步数据融合方法。
A data fusion method of realizing receiver and sender of satellite location system to keep the synchronization time are presented.
第一个伽利略人造卫星将在2004年底发射。这架卫星上的钟表将与20个地面感应站、2个指挥中心和15个上行站时间同步。
The first Galileo satellite is scheduled to launch late in 2004, Clocks on board the satellite Will be synchronized through 20 ground sensors stations, two command centers and 15 uplink stations.
第一个伽利略人造卫星将在2004年底发射。这架卫星上的钟表将与20个地面感应站、2个指挥中心和15个上行站时间同步。
The first Galileo satellite is scheduled to launch late in 2004, Clocks on board the satellite Will be synchronized through 20 ground sensors stations, two command centers and 15 uplink stations.
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