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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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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