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。
Nowadays, more and more attention is focused on Vehicle Navigation and Positioning techniques.
近年来，车辆导航和定位技术越来越收到人们的关注。
This achievement can realize the real-time positioning and map-matching, and provide the foundation for dynamic vehicle navigation.
该成果能够实现车辆行驶过程中的实时定位与匹配，为实现动态车辆导航奠定了基础。
The accurate positioning is the prerequisite and foundation of a vehicle navigation system.
在车载导航系统中，相对准确地定位是实现导航的基础和前提。
GPS can not be used continuously for city vehicle navigation due to the loss of satellite signals by obstructions from buildings, tunnels and trees etc and it leads to low positioning accuracy.
对于城市车辆GPS导航来说，其很大的一个缺点是跟踪卫星的信号常常由于建筑物、隧道及树木等的遮挡而使GPS的定位精度大大降低，甚至无法进行正常的导航和定位。
To make the vehicle navigation system to meet the requirements of precision and continuity, people take supplementary measures to compensate for the deficiencies of GPS positioning.
为了满足车载导航系统对精度和连续性的要求，采取辅助手段来补偿GPS定位的缺陷。
Through combining dead reckoning, GPS positioning information and Map-Matching algorithm, this paper represents an algorithm to correct sensors parameters in In-Vehicle Navigation System.
针对车载组合导航信息融合的高精度、高可靠性等要求，提出了一种组合导航的自适应集中滤波算法。
Through combining dead reckoning, GPS positioning information and Map-Matching algorithm, this paper represents an algorithm to correct sensors parameters in In-Vehicle Navigation System.
针对车载组合导航信息融合的高精度、高可靠性等要求，提出了一种组合导航的自适应集中滤波算法。
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