航位推算(DR，Dead-Reckoning)是一种常用的定位技术，其基本原理是利用方向传感器和速度传感器来推算车辆的瞬时，可以实现连续自主式定位...
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为此，对各定位车辆加装由精度适中、价格低廉的压电晶体速率陀螺和里程表组成的航位推算（DR-Dead Reckoning）装置，与GPS一起构成GPS／DR组合定位系统。当GPS卫星信号被遮挡时，启用DR定位功能，利用其良好的短期精度，消除跟踪盲区，保证定...
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The article also describes each part of navigation system,such as hardware,digital navigation map,and software and function structure. Specially it explains the key technology including road matching,dead reckoning and road analysis.
本文也对车载导航系统设计的各个部分进行了详细的说明,包括硬件系统设计、导航电子地图制作、导航软件设计、导航功能设计等,突出阐述了道路匹配、航位推算,路径规划等关键技术的设计及实现,以及地图数据的加工处理,以满足高效的导航要求。
参考来源 - 车载导航系统的设计与实现First of all, this paper compares the advantages and disadvantages of Dead-Reckoning (DR), Inertial Navigation System (INS) and GPS navigation positioning system. Then, the GPS/DR vehicle integrated navigation system which is based on magnetoresistive sensor is designed.
本文在比较了航位推算、惯性导航系统、GPS定位导航系统的优缺点基础上,确定了基于磁阻传感器的GPS/DR车载组合导航的系统方案。
参考来源 - 基于磁阻传感器的车载组合导航系统This paper presents a two-satellite positioning system based on Digital Map and Dead Reckoning System. The precision of the positioning system was enhanced by employ Kalman filtering algorithm to filter the combination information of the GPS and DR system.
本文提出了一种基于高精密数字地图的GPS双星定位系统,结合航位推算系统进行组合导航,并运用卡尔曼滤波对组合导航的信息进行滤波处理,有效提高定位的精度。
参考来源 - 结合数字地图的GPS/DR车载双星定位系统·2,447,543篇论文数据，部分数据来源于NoteExpress
将GPS定位技术和航位推算（DR）技术结合起来，可以很好地解决这一问题。
This problem can be solved by the combination of GPS positioning technology and DR technology.
讨论了GPS和航位推算系统两种定位技术，给出了基于这两种定位技术的车辆定位系统的硬件构成。
Two kinds of position technologies such as GPS and dead reckoning system are discussed, The hardware frame of vehicle position system based on two position technologies is proposed.
本论文根据两轮差速驱动机器人的微运动方程，以内传感器提供的信息为基础，推导了一种简洁实用的航位推算公式。
In this paper, based on the research of two-wheel differential driving mobile's motive equation and the information provided by inner sensors, a compact and practicably equation was induced.
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