伪距差分

基准站坐标偏差对伪距差分定位的影响研究

The Study of the Influences on Pseudo-range Difference Caused by Coordinates Deviation of Base Station

GPS伪距差分定位技术的试验研究

Experimental research of GPS pseudo - range differential position

伪距差分定位技术在海上定位和GIS数据采集等领域有广泛应用前景。

The technique can be widely applied to marine position and GIS data acquisition .

伪距差分GPS定位误差分析

Pseudorange Differential GPS Error Analysis

GPS激光测距定位系统采集GPS数据，通过相位平滑伪距差分定位给出观测点坐标，然后结合激光测距数据和三维数字罗盘数据，通过多种算法确定目标点的三维坐标。

GPS laser ranging and positioning system can calculate the coordinates of observation point through smoothing pseudoranges differential positioning method with GPS data .

研究基于GPS相对伪距差分技术的RVD相对导航方法。

The method of RVD relative navigation based on relative differential pseudo range of GPS was studied .

对GPS伪距差分（包括一般伪距差分、组合伪距差分和相位平滑伪距差分）定位原理和数学模型进行了详细介绍与推导；

The positioning theories and mathematic models of PDGPS , including usual PDGPS , combined PDGPS and phase smoothing PDGPS , are described and demonstrated in detail .

通过GPS相位平滑伪距差分定位实验，研究验证该空间定位技术所能达到的精度能满足土地利用变更调查的技术要求。

Through GPS pseudo-range smoothing experiment by carrier phase , the paper testifies if the precision of space positioning technique can satisfy the requirement of land use changing investigation .

研制开发了GPS相位平滑伪距差分定位软件，该软件具有数据输入、计算、编辑、分析与输出等功能。

The positioning software of phase smoothing PDGPS , which have the functions of inputting , calculating , editing , analytic and outputting of data , is developed successfully .

介绍了土地利用变更调查的空间定位精度要求及常规空间定位技术，系统研究了GPS相位平滑伪距差分定位技术原理及其数学模型。

This paper describes systematically the precision requirement of space positioning and clarifies the common space positioning techniques , especially the method of pseudo-range smoothing technique by carrier phase , its mathematical model , and relative software system .

首先分析GPS单点定位数学模型，引出事后差分定位技术的优势，继而着重分析相位平滑伪距差分定位数学模型，并对算法深入研究，针对算法中若干重要问题提出相应的解决方案。

First of all , paper analyse GPS single point positioning mathematical model , leads to post differential positioning technology and then focus on an analysis of differential phase-smoothed pseudorange positioning mathematical modell . The author put forward solution for some important problem . 2 .

由于伪距差分技术能克服GPS卫星的星历误差、卫星钟误差，特别是SA误差的影响，而且实现难度不大，所以应用它来实时定轨。

Differencing pseudo range is proposed to use to determine the satellite geometric orbit in real time because it can weaken the effect of GPS satellite orbit error and clock error , and particularly effect of SA , and because it is not difficult to carry out .

单频伪距差分模型用于动动目标监控的研究与实现

Implementation of single-frequency pseudoranges double-differenced model applied to mobile-to-mobile target monitoring

电离层对单频卫星导航系统伪距差分定位的影响

Ionospheric effects on the pseudorange differential positioning in a single-frequency satellite navigation system

基于多组星历参数的后处理伪距差分算法

Post treatment pseudorange differential GPS arithmetic based on multi-ephemerises

对逆向伪距差分算法的实现做了详细介绍并对实验结果做了简要分析。

Describe the realizing of IDGPS in details and make a brief analysis of the result .

对导航服务中存在的问题提出了解决的途径，并介绍了伪距差分技术和地图匹配方法。

The ways and means for the solution to the problems existing in the navigation system are proposed , and the DGPS technology and the method of matching the map are also introduced .

从伪距差分定位的双差公式出发，详细推导了基准站坐标偏差对流动站定位结果的影响公式。

Based on the pseudo-range differential positioning double-difference expressions , the formulas of influences on the result of move station which is owing to coordinates deviation of base station is presented in this paper .

伪距差分定位技术在武警车辆遥测遥控方面的应用，为武警巡逻车辆的快速调度和合理安排很有帮助，大大提高了武警部队在治安和追捕逃犯方面的能力。

Application of pseudo-distance differential positioning technology in remote telemetry armed police vehicles gives a great help for armed police patrol vehicles for rapid activation and reasonable arrangements , greatly improving the security and the armed police force to hunt down fugitives in the area .

本文用一套采用伪距相对差分GPS系统对其定位精度和实时性进行了试验研究，静态试验表明其单点相对定位精度达到1m（1σ）；

This paper presents the experiment research on the positioning precision and real time behavior for a developed pseudorange differential positioning system . By static tests , the precision of rover station arrives to lm ( 1 σ) .

GPS车辆监控系统；伪距-位置差分算法；

GPS vehicle monitoring system ; Pseudorange-position difference algorithm ;

载波相位平滑伪距及其在差分定位中的应用

Carrier Phase Smoothed Pseudorange and Its Application in DGPS