Differential GPS can eliminate the common error to improve the positioning precision by a spatial correlation between the base station and the mobile station.
差分gps定位技术是通过基站与移动站之间的空间相关性，来消除公共误差部分，以提高定位精度。
Writer discusses the management system for station signal equipment based on GIS, and provides the system of fault diagnosis and information positioning for station signal equipment.
作者设计了基于GIS的车站信号设备管理系统，并在此基础上提出了信号设备的故障诊断与信息定位系统。
The key technique of network differential positioning based on virtual reference station, the algorithm the generation of virtual phase observation and differential corrections was proposed.
针对虚拟参考站网络差分定位的关键技术，提出了虚拟相位观测值及差分改正信息生成的算法模型。
According to the Earth synchronous satellite positioning principle, multi-results and non-results are analyzed when the station height is given using DEM.
基于地球同步卫星定位原理，分析了当利用数字化地形图提供测站高程时测站的多解和无解现象。
Underwater GPS positioning system includes four parts which are GPS differential reference station, GPS buoy subsystem, underwater pinger, ship-based data processing and control center.
差分gps水下立体定位系统包括GPS差分基准站、GPS浮标、水下收发机、船基控制中心四部分。
By means of GPS dummy network reference station positioning system, the ground control points for the calibration of remote sensing image were surveyed with the precision of centimeter level.
利用GPS虚拟网络参考站定位系统，以厘米级精度测定校正遥感图像的地面控制点。
Different correction terms of moving station and influences on positioning can be generated when different interpolation methods utilized in GPS-network RTK.
在GPS网络rtk中，利用不同的内插算法，生成的流动站误差改正数不同，它们对定位结果的影响也不同。
The distance from user to reference station influences the positioning accuracy definitively in local area differential GPS.
利用局域差分GPS进行定位时，只有当流动站位于基准站构成的多边形网内时，才可能得到较高的精度。
Then it analyses the positioning precision of the moving station.
分析了流动站的定位精度。
For a given FPSO, some station keeping plans are designed first in this paper, which based on the mooring system or dynamic positioning (DP) system technology.
本文对于给定的FPSO，首先构造了全锚泊系统、全动力定位系统及由其交叉组合而成的多种定位方案。
One of the key factors to effect the punching accuracy of multiple-station progressive die is the constitution and structure design of its positioning system.
影响多工位连续模冲压精度的关键因素之一是其定位系统的构成及其结构设计。
The reshaping device comprises a hydraulic positioning disk, a hydraulic reshaping disk, a walking roller wheel and an extra high pressure hydraulic power station system positioned outside the device.
包括液压定位盘、液压整形盘、行走滚轮及位于装置外部的超高压液压动力站系统。
This paper proposes a multiple phase palm relay station (PRS) based on positioning and tracking mechanism for CDMA mobile station (MS).
针对手机定位的检测概率和定位精度等难题，提出了一种基于手持中继的多步CDMA移动终端跟踪定位方法。
This paper proposes a multiple phase palm relay station (PRS) based on positioning and tracking mechanism for CDMA mobile station (MS).
针对手机定位的检测概率和定位精度等难题，提出了一种基于手持中继的多步CDMA移动终端跟踪定位方法。
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