L Internally installed multi-satellite parameters that can change tracking satellite automatically.
u 本产品融合了大量高科技精确控制、跟踪、测量、感应技术克服船体摇动带来的变化，实时跟踪卫星获得清晰的电视图像。
In satellite control communications, the time required for locking tracking equipment on a signal from a communications satellite.
在卫星控制通信中，通过来自通信卫星的信号锁定跟踪设备所需的时间。
With the programming of new national space tracking system and the lunar resource satellite, the results given in this paper should have been applied in space mission.
随着未来我国天地基结合的测控网逐步取代目前的陆海基测控网以及月球资源卫星论证工作的开展，作为预研的本文的工作将具有一定的应用前景。
To start with, that might include satellite-based tracking to keep the Superbus on course, sensors to scan the road for obstacles up to 300 metres ahead and a smart suspension system that remembers the rough spots in the road.
启动加速前会使用一系列技术手段：卫星跟踪技术追踪行驶中的超级巴士、传感器扫描巴士前方300米内的障碍物以及智能悬浮减震系统记录路面上起伏颠簸的地点。
Tracking and Data Relay Satellite system is a communication system providing continous and real-time services such as tracking, telemetry, command and data relay for low-earth-orbit spacecraft.
中继卫星系统是一个为低轨航天器提供连续、实时的跟踪、测控与数据中继服务的卫星通信系统。
Data Relay Satellite system is a satellite communication system thatprovides continuous and real-time tracking, telemetry, command andcommunication support for low earth orbiting spacecraft.
数据中继卫星系统是一个为低轨道航天器提供连续、实时的跟踪、测控与通信服务的卫星通信系统。
Beijing Institute of Radio Measurement - radar, communication and electronics, precision tracking and guidance radar, instrumentation radar, intelligence surveillance radar, weather radar, vessel and air traffic control radar system, precision antenna, feed system and servo control system, high stability, multi-waveform transmitting system, various precision low noise receiving system, digital signal processing and data processing technology, signal simulator, display system, TV tracking system and automatic test system, computer applications including computer control, business management and simulation technique, network engineering, radar mechanical design, technology and quality control, microwave ferrite material and device, microwave mixed integrated circuit device, surface acoustic wave technology and device, broadcast transmitter and satellite communication station
中国航天科工集团北京无线电测量研究所-雷达、通讯、电子信息、综合系统，精密跟踪制导雷达、测量雷达；情报警戒雷达、气象雷达、空中及港口交通管制雷达系统工程；精密天线、馈线及控制伺服系统；高稳定性、多波形发射系统；高精度、低噪声接收系统；数字信号处理和数据处理技术；信号模拟、信号显示技术、电视跟踪、自动测试系统；计算机应用、控制、事务管理、仿真技术、网络工程；雷达结构、工艺和质量控制研究；微波铁氧体材料与器件；微波混合集成电路器件；声表面波技术与器件、广播发射机、卫星通讯站
The tracking information is relayed to the master control station in the Consolidated Space Operations Centerlocated at Schriever Air Force base in Colorado Springs. The master control station uses this date to make precise near-future predictions of the satellite orbits, and their clock correction parameters.
追踪的信息都发往位于Clolrado Springs空军基地的`统一宇宙操作中心`，这个中心把收到的数据进行计算以更精确的计算出卫星将要行使的轨道和卫星时钟校正参数。
The laser link was used between tracking and data relay satellite system, and feasibility of this scheme used travelling wave LiNbO3 modulator of broad band is demonstrated.
其跟踪和数据中继卫星之间采用激光链路，并论证了宽带LiNbO3行波调制器用于空间光通信的可行性。
In satellite optical communications, improving the real-time measure precision for the angle errors of the incoming beam, higher tracking performance of a terminal can be reached and the laser link can be maintained steadily.
卫星光通信中，提高对入射光束角度偏差实时测量的精度，可以有效地提高终端的光束跟踪性能，进而有效地保持激光链路的稳定。
Using 11 years (1983～1994) observation data of Satellite Laser Ranging to the Lageos-1 satellite in the global tracking network, we estimate the second degree gravity field coefficient and tidal parameters.
利用1983～1994年(共11年)期间，全球人卫激光测距观测网对Lageos-1卫星的观测资料，估算二阶重力场系数和潮汐参数。
With GPS-based satellite tracking observation, comprehensive orbit solution and Satellite Laser Ranging, the precision of earthquake electromagnetism satellite orbiting can reach to centimeter grade.
地震电磁卫星拟采用星载GPS和综合轨道求解方法进行精密定轨，并辅之以人卫激光测距，其定轨的精度可达厘米级。
By Craig Covault China's successful test of an anti-satellite weapon means that the country has mastered key space sensor, tracking and other technologies important for advanced military space operations.
中国成功的反卫星试验意味着该国已掌握空间传感、追踪及其它重要的先进太空军事行动的关键技术。
The high accuracy inter-satellite ranging system is the major payload of gravity exploring satellite using satellite to satellite tracking in low-low model.
高精度星间测距系统是低低卫卫跟踪重力卫星的关键有效载荷。
The calculating methods and formulae of satellite's attitude in nine different cases are given respectively and applications of above methods in maritime tracking and controlling tasks are analyzed in detail.
一般情况下，还不能直接测出夹角，而是测得与夹角有关的一些姿态信息。这些参考天体在赤道惯性坐标系中的方向是可以精确确定的。
For doing so, we can assure our footage in this field. The actions that will be taken are listed as following: to setup a GLONASS tracking station within National Cheng Kung University (CK02). This station will follow the standard of IGEX-98, and also cross checking with another GPS tracking station (CK01) that also maintained by NCKU. The comparisons of this result will serves as the verification of these two-satellite systems.
主要的具体行动为：在成功大学卫星资讯研究中心设置另一个GLONASS追踪站NCKU，这一站将会以IGEX98联测的要求标准安装与维护，并与另一个由成功大学卫星资讯研究中心设置及维护的GPS追踪站CK01互相比对，作为两种卫星系统间的验证。
Studies on satellite tracking of migratory birds and on satellite image analysis of their habitat were reviewed.
到 8 0年代为止，对候鸟的迁徙路径研究一直是使用环志标记法及雷达跟踪法。
Earth stations, gateway stations or tracking telemetry and command stations of the feeder links of space radio communication services other than fixed satellite services
卫星固定业务以外的其他空间无线电通信业务馈线链路地球站、关口站或者测控站。
On Earth-space paths, this beam scintillation index model is significant for the laser imaging, tracking, controlling and guiding, and laser satellite-Earth communication.
高斯波束的斜径闪烁指数模型的建立发展了湍流闪烁理论，将对地－空路径光通信、成像、遥感、激光制导和强激光系统的设计和应用具有重要的实际意义。
To satisfy communication with satellite in movement, ship-borne antenna stabilized tracking system is studied in this paper. The system design and system buildup are presented.
本文对用于舰载卫星通信的天线稳定系统进行了深入的研究，给出了舰载天线稳定系统的总体设计、硬件选型、控制模块设计和软件设计。