The siting error and L>O>P> of short distance navigation positioning system have been analyzed.
对近程导航定位系统位置线和定位误差进行了分析；
Global positioning system, also called GPS, is a new generation of navigation positioning system.
全球定位系统，又称GPS，是新一代的导航定位系统。
The Time Standaards of navigation positioning system and Time Service of Timing by Satellite and Satellite Timing Calibration of Timing are introduced.
介绍了导航定位系统的时间基准及实现时间统一的卫星授时技术和定时技术。
Firstly, a series of reference systems, related to GPS navigation positioning system, such as timing system, reference frame and force model system, are discussed in detail.
本文详细地论述了与GPS导航定位系统一系列有关的参考系统：时间系统、坐标系统和力模型系统。
I just purchased a Global Positioning System (GPS) navigation device and, after only a handful of USES, I'm hooked.
我刚刚购买了一个全球定位系统(GPS)导航设备，仅仅使用了几次之后，我就迷上了它。
Solar flares can disrupt radio communications, including devices that use Global Positioning system technology, such as cell phones, airplanes and car navigation systems.
太阳耀斑能够干扰到无线电通讯，包括使用全球定位系统技术的设备，如手机、飞机和汽车导航系统。
Upgraded aircraft navigation that takes advantage of the latest Global Positioning System technology.
充分利用了最新的全球定位系统技术，升级了机载导航系统。
The market has become increasingly aware of the advantages of navigation and Global Positioning system (GPS) tools, especially for vehicle navigation systems.
该市场已经逐步意识到导航和全球定位系统(GPS)工具的优势，尤其是车载导航系统。
It marks the establishment of a basic system for the navigation and positioning network.
它标志着北斗区域卫星导航定位的基本系统建设完成。
China will develop 12 Beidou or North Dipper satellites, some destined for geostationary orbit. It plans a navigation and positioning system of more than 30 satellites, Sun said.
孙来燕说，中国还将完成12颗北斗导航卫星的系统，其中一些将会绕着赤道运行。计划中的导航以及定位系统的卫星将超过30颗。
Global Positioning system (GPS) aided passive imaging navigation system is presented in this paper.
本文介绍的是一种GPS辅助的被动成像导航系统。
China will develop12beidou or north dipper satellites some destined for geostationary orbit. it plans a navigation and positioning system of more than30satellites sun said.
孙来燕说，中国还将完成12颗北斗导航卫星的系统，其中一些将会绕着赤道运行。计划中的导航以及定位系统的卫星将超过30颗。
Global Positioning System(GPS)is a satellite navigation system designed to provide instantaneous three-dimensional position infbrmation almost anywhere on the globe at any time, and in any weather .
GPS全球定位系统以其全球性、全天候、实时定位等优点显示出强大的生命力和竞争力，在航空、航天、航海及许多民用领域有着广泛的应用。
GPS navigation and positioning in buses, traffic system, as it were, the application prospect is very broad.
可以说，GPS导航定位在公交、交通系统中的应用前景是非常广阔的。
It can provide some reference worth to expand the application field of Software Radio and study the framework of the Satellite Positioning and Navigation receiver system.
这对开拓软件无线电的应用领域和卫星定位导航系统接收机结构的研究有一定的参考价值。
Briefly the paper introduces a new method to make a DEM by a airborne laser radar combining with Global Positioning System and Inertial navigation technology.
主要介绍了利用机载激光雷达并结合全球卫星定位系统、惯性导航技术建立地形高程模型的一种新方法。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
在卫星导航定位系统中，多普勒频率偏移是影响接收机性能的关键因素之一。
Nowadays, the underwater acoustic positioning system is the mainstream of underwater navigation and localization.
从目前来看，水声定位系统是水下导航定位的主要手段。
The artillery system is equipped with navigation, positioning, targeting, and communications systems, all of which adopt the modular design for easy maintenance and upgrade.
火炮系统装备导航，定位，瞄准和通信系统，全部采用模块化设计容易维护和升级。
The relationship between positioning precision of navigation system and detecting probability of fighter for intercepting is established.
建立了导航系统定位精度与战斗机截击发现概率之间的关系；
Global Positioning system (GPS) is a radio navigation system which provides free users with accurate longitude, latitude and elevation of three-dimensional position information and time information.
全球定位系统(GPS)是为用户提供免费而精确的经度，纬度和海拔三维位置信息与时间信息的无线电导航系统。
The positioning accuracy and availability of navigation system are affected directly by the quality of satellite configuration.
在导航系统中，基准站配置的优劣直接关系到定位的精度及系统的可用性。
The study of this paper indicate that the application of digital IF Software Radio framework is practicable in the receiver of the Satellite Positioning and Navigation system.
本文研究表明在卫星定位导航系统中使用中频数字化的软件无线电结构是可行的，同时大大简化了用硬件对接收的卫星信号进行处理时电路的复杂性。
As a kind of new timing, measuring distance, navigation and positioning system, the technology of GPS is gradually used in traffic and other fields.
GPS技术作为一种精密的授时、测距、导航、定位系统，已经开始在交通等领域得到应用。
Satellite positioning navigation means using the position, velocity and time information supplied by the satellite positioning navigation system to localize, navigate and manage the target.
卫星定位导航是指利用卫星定位导航系统提供的位置、速度及时间信息对各种目标进行定位、导航及监管。
The determination method of sea surface topography is important for sea users to improve the positioning accuracy with the double satellite navigation and positioning system.
海面地形的确定方法研究对提高双星导航定位系统海面用户定位精度具有重要意义。
Objective The integration of open-MR and optical navigation system can be used in neurosurgery for accurately lesion positioning, real-time tracing of surgical devices and intraoperative monitoring.
目的开放式磁共振结合导航系统，可以获得准确的手术定位、对手术器械的实时引导和术中监控。
This paper proposes a dynamic navigation system for project ships on the basis of GPS's positioning technology and developing instruments of visual procedure.
提出了一种基于GPS定位技术和可视化程序开发工具的工程船舶动态导航系统。
Besides the traditional functions, such as spatial information display, query, analysis, the system has the features of real-time positioning and navigation by the GPS technology.
该系统除了具有传统的空间信息显示、查询、分析等功能外，还利用现在迅速兴起的GPS定位技术，实现实时的定位导航功能。
This thesis analyzes the principle and architecture of three-star navigation system based on "Beidou" system and investigates the problems related with positioning precision.
本论文分析了基于北斗导航定位系统的三星定位系统总体结构和工作原理，对卫星导航中与定位精度有关的部分进行了研究。
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