本文介绍了北斗定位和北斗授时的工作原理，并通过实验分析了北斗一号的授时能力。
The time transfer principle and character of compass I is introduced in this paper, the experimental results is analyzed to assess the time transfer capability of compass I.
它标志着北斗区域卫星导航定位的基本系统建设完成。
It marks the establishment of a basic system for the navigation and positioning network.
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。
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.
根据北斗双星定位系统（简称双星定位）的特点，提出了北斗双星与SINS组合的最优预测模型。
According to the characteristic of Beidou double-star positing system(double-star positoin), this paper puts forward the optimal predication model of double-star position/SINS integrated system.
介绍了北斗卫星导航定位系统的简短通信技术。
This paper introduces the short message communication technology of the Beidou satellite navigation guiding and positioning system.
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。
China will develop12beidou or north dipper satellites some destined for geostationary orbit. it plans a navigation and positioning system of more than30satellites sun said.
本文在对现有的GPS差分技术进行分析的基础之上，提出了一种适合北斗导航定位系统的差分定位技术，以提高其定位精度。
This article analyses current GPS difference technology and puts forward a difference position technology which can apply in BEIDOU system for improving the position precision.
对北斗双星基本型用户机在某地区进行了海上动态、陆上静态定位试验及其短信发报功能测试。
By using of tipper double stars system, experiment studies on land static positioning and Marine dynamic position are conducted.
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。
This thesis analyzes the principle and architecture of three-star navigation system based on "Beidou" system and investigates the problems related with positioning precision.
目前已经能够研制出测量用户至卫星伪距信号的“北斗”用户接收机，此款接收机可以工作在无源定位的情况下。
The BD receiver can measure the pseudo distance between the satellite and the user, so that it can work in the passive positioning system.
北斗双星定位系统(简称双星定位)利用两颗地球同步卫星进行定位，具有定位精度高、采用有源定位体制的特点。
"Beidou" double satellite positioning system, adopting two geosynchronous satellites to position, has the characteristic of high precision in positioning and active positioning mechanism.
运用北斗双星导航定位系统的双向短报文通信技术，实现了区域报警和行驶车队之间的通信以及寻迹。
It also realizes area alarm, communication and seeking among the running vehicles depending on BeiDou 's both-direction and short-message communicating technique.
由于“北斗”定位卫星数量极其有限，接收机在动态定位的精度上会出现很大的误差。
Since the quantity of the satellite is very limited, the precision of the result is low in dynamical measuring process.
本文在北斗双星有源定位系统的基础上进行了三星无源定位的研究。
Basing on the Double star Active Positioning System, this article conducted the research on the Beidou Tri-star Passive Positioning System.
介绍了北斗双星定位系统的特点、功能、系统组成和工作原理，说明了北斗有源定位方式在应用方面的局限性。
The characteristics, function, structure and principle of the BeiDou Dual-Satellite Navigation System are described, and the limitation of the BeiDou's active location in application is discussed.
北斗系统是我国自行设计的区域卫星导航定位系统。
The Plough system is the area satellite navigation fixer system that our country designs by self.
山东北斗华宸导航技术有限公司主要从事卫星定位设备及集成应用系统开发、研制和生产。
Shandong CompStar Navigation Technology Co., Ltd is mainly engaged in application of high accuracy satellite positioning equipment and systems development and production.
摘要目前中国的“北斗”双星定位系统只能实现二维有源定位，大大限制了该系统的应用。
Abstract: at present, China's Beidou geostationary satellites positioning system can only achieve two-dimensional active location, which greatly limits its application.
目前中国的“北斗”双星定位系统只能实现二维有源定位，大大限制了该系统的应用。
At present, China's Beidou geostationary satellites positioning system can only achieve two-dimensional active location, which greatly limits its application.
北斗双星定位系统(简称双星定位)是我国自行建立的一种定位系统。
Beidou double-star positioning system is built up by our country.
根据小波分析理论，针对无源北斗导航定位系统初始校频问题，提出了一种基于小波分析的信号特征提取算法。
According to wavelet analysis theory, a signal picking up algorithm based on wavelet analysis is proposed to solve problem of passive CNS initial frequency calibration.
为了改善北斗卫星定位性能，基于卡尔曼滤波设计了北斗卫星与车载传感器的数据融合算法。
In order to improve the positioning performance of the Beidou satellite, an algorithm of data fusion between Beidou satellite and on-board sensors in vehicle is proposed based on Kalman filter.
提出了一种北斗卫星定位系统和惯性导航系统的组合导航无源定位算法。
A passive location algorithm for the integrated navigation system of Beidou and inertial navigation system (INS) was put forward in this paper.
另据中国工程院院士刘经南介绍，北斗卫星导航不但有定位导航功能，还具备通讯的功能，北斗系统将陆续应用于治理交通拥堵等领域。
The system, including its communication functionality, will also be used in the future to ease the traffic congestion issue, said Liu Jingnan, academician of the Chinese Academy of Engineering.
运用北斗双星导航定位系统的双向短报文通信技术，实现了区域报警和行驶车队之间的通信以及寻迹。
It also realizes area alarm, communication and seeking among the running vehicles depending on BeiDou's both-direction and short-message communicating tech...
后者首先同步车速矢量与北斗卫星测量得到的车辆位置矢量，再根据融合结果估算车辆定位信息。
The latter estimates the vehicle position by synchronizing the speed vector and the position vector measured by Beidou system.
在应用方案中，讨论了利用北斗卫星定位系统、全球卫星定位系统(GPS)和原子时钟构建最高级时钟的冗余配置方案。
In the proposed schemes, the redundant configuration of grandmaster clock using Beidou navigation satellite system, GPS (Global Positioning system) and atomic clock is discussed.
2011年03月22日据媒体报道，明年起，中国的私家车主将可以使用由“北斗”卫星提供的定位服务，而且导航芯片价格要低于现在市场上使用的全球定位系统。
2011-03-22 China's Beidou Satellites will be able to provide positioning services to private car owners next year, with a cheaper charge than the current GPS network, according to media reports.
2011年03月22日据媒体报道，明年起，中国的私家车主将可以使用由“北斗”卫星提供的定位服务，而且导航芯片价格要低于现在市场上使用的全球定位系统。
2011-03-22 China's Beidou Satellites will be able to provide positioning services to private car owners next year, with a cheaper charge than the current GPS network, according to media reports.
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