First, Gil says, devices must know exactly where they are, which means harnessing more than just satellite positioning information.
首先，吉尔说，设备必须知道他们在哪儿，这意味着定位信息不仅仅只来源于卫星定位信息。
Of course, combines come complete with a video screen that has global positioning information, yield totals, and moisture content of the grain.
当然，联合收割机上配有显示屏，可以显示全球定位信息，总产量，谷粒的含水量。
CSEL provides military personnel with precise geo-positioning information and secure, over-the-horizon (OTH) and line-of-sight (LOS) two-way data communications capabilities.
“作战幸存者/逃逸者定位器”为军事人员提供精确的地理定位信息和安全，超视距（OTH）和视距（LOS）双向数据通信能力。
It can enhance the positioning accuracy and obtain reliable positioning information.
可以提高定位精度和获得可靠的位置信息。
Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.
该系统用高稳定度铷钟作为时间基准信号，实现了无源导航定位功能。
But in urban skyscrapers, flyovers, runnels and other special areas, GPS positioning information is often interrupted, or positioning accuracy greatly reduced.
但是在城市高楼区、立交桥、隧道等特殊地段，GPS的定位信息常常中断或者定位精度大大降低。
The acquisition of GPS positioning information, method of area calculation for polygon fields, and design of hardware and software of the instrument were also introduced.
给出了GPS定位信息的获取技术，多边形农田面积的计算方法，测量仪软硬件的设计原理等。
Besides, by integrating with surgical robots, virtual surgery simulation could also afford accurate positioning information to master-and-slave motion control of the robot systems.
通过与手术机器人控制系统的集成，虚拟手术仿真还可以为机器人系统的主从运动控制提供精确的定位信息。
Map is a carrier with ample information, whose contents are varied, spacial positioning information being the most fundamental among abundant qualitative, quantitative and dynamic information.
地图是信息十分丰富的载体，它表示的内容是多方面的，其中最基本的是空间定位信息，还有众多的质量、数量和动态信息。
Firstly, the thesis researches the basic theory of the GPS and GIS, which provide corresponding concepts for researching map matching algorithms with GPS positioning information and digital map data.
首先本文阐述了GPS和GIS的基本原理，为利用GPS定位信息和电子地图信息进行地图匹配算法的研究提供了相关理论。
The functions of this system focus on GPS automation positioning, information exchange between vehicle and control center by GPRS, collection of vehicle state and etc.
该系统具有GPS自动定位、GPRS方式与中心交互信息、车辆状态采集等功能。
The functions of this system focus on GPS automation positioning, information exchange between vehicle and control center by GPRS, collection of vehicle state and etc.
该系统具有GPS自动定位、GPRS方式与中心交互信息、车辆状态采集等功能。
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