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。
In order to obtain high precision navigation a kind of GPS data processing technique that can produce high precision positioning result with a single high quality receiver is introduced in the paper.
为了得到高精度的导航，介绍一种高精度处理单台接收机定位结果的GPS数据处理方法。
In data processing for Capital circle GPS crustal deformation monitoring network, the best technical program has been used and high precision positioning results have been obtained.
首都圈gps地形变监测网在数据处理中采用了最佳的技术方案，获得了高精度的定位结果。
This paper has the directive significance for improving GPS positioning precision and expanding the GPS application fields in precise engineering surveying.
通过文章介绍，在精密工程测量中必将对GPS定位精度提升及扩展GPS的应用领域有一定的指导作用。
GPS satellite position calculation is the key link of GPS navigation and positioning, calculating satellite coordinates quickly and accurately is important to improve positioning speed and precision.
GPS卫星位置计算是进行GPS导航定位的关键环节，快速准确地计算出卫星坐标，对提高GPS定位精度和速度有着重要意义。
The major error source of GPS systems, especially of differential GPS, is the multipath signals. It will deteriorate the precision of positioning.
GPS测量，尤其是差分GPS测量，多径信号是主要的误差来源，会引起定位精确度的恶化。
The accuracy of ionospheric delay correction is an important factor that affects the positioning precision in the applications of GPS in wide area, local area navigation systems and RTK.
在GPS的广域、局域增强导航系统和rtk的应用中，电离层延迟改正的准确度都是决定测量定位结果能否达到精度要求的重要因素。
As for the high precision positioning of underwater targets, the GPS sonobuoy technique has two bottlenecks: high precision system clock synchronization and high accuracy time delay estimation.
为了实现水下载体高精度的定位，GPS声纳浮标需解决两个方面的技术难点：高精度的系统时钟同步和定位信号的高精度时延估计。
Differential GPS technique can improve the positioning precision, but it's environmental adaptability is restricted.
差分gps技术虽然可以提高GPS定位的精确度，但缺乏对环境的适应能力。
The quality of GPS data pre-processing is the key to improve GPS positioning precision in either GPS static positioning or dynamic POD.
在GPS静态定位和动态定轨中，GPS数据预处理质量的好坏都直接影响着GPS定位精度。
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。
The result of positioning precision test shows that the positioning precision of the GPS real time differential system based on GPRS has attained cm-level.
实际测试结果表明：基于GPRS的GPS实时差分系统达到了厘米级定位精度。
GPS positioning accuracy is influenced by Geometric Dilution of Precision (GDOP), Signal Noise Ratio (SNR) and so on.
几何精度衰减因子gdop和卫星信噪比SNR等多方面因素的影响，增大了GPS单点定位误差。
The precision of traditional GPS standard positioning is not satisfied, it is limited within 10-15 meters even though sa has been canceled.
传统的GPS标准定位精度并不高，在取消SA选择可用性之后为10 - 15米，这极大限制了中高等精度定位的应用。
The Global Positioning System (GPS) of U. S is a satellite navigation and position system that now has the best performance , the highest precision of position and it is widely applied in everywhere.
美国全球定位系统GPS是目前性能最完善、定位精度最高、应用最广泛的卫星导航定位系统。
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。
This paper has discussed the data processing and precision analysis of the results of piling positioning based on GPS-RTK technology, and built the model of it primarily.
论文基于GPS-RTK技术在打桩定位中的应用对于定位结果的数据处理和精度分析等问题进行了深入的探讨，初步建立了RTK海上打桩定位的数据处理和精度分析模型。
This will be a GPS and digital technology, real-time solution and processed in 1 to 2 seconds within the high-precision positioning information technology.
这是一种将GPS与数传技术相结合，实时解算并进行处理，在1 ~2秒时间内得到高精度定位信息的技术。
The results show that the algorithm can evidently improve the GPS positioning precision.
结果表明此算法可以较大地改善GPS的绝对定位精度。
We apply the least squares estimate to calculate GPS single point positioning equation and precision estimate, and put forward the new satellites' constellation choice algorithm.
将最小二乘法应用于解算GPS定位方程，并对其进行精度估计，提出了一种新的星座选择算法。
The correct resolution of GPS phase ambiguity is the key to implement high precision fast positioning by using single frequency receivers.
相位模糊度的成功解算是应用单频接收机进行高精度快速定位的关键。
The relative positioning precision based on GPS carrier-phase measuring can achieve minimeter level.
研究了GPS高精度载波相位测量，及在航空动态定位中应用的理论、方法和技术。
A plan for building a crustal deformation monitoring network with high precision in Jiangsu area using the GPS satellite positioning system is suggested.
提出了应用GPS卫星定位系统建设江苏地区高精度地壳形变监测网方案。
In the application of vehicle navigation in city area, Multi-path errors are the main error source of GPS high-precision differential positioning in a near distance.
在城市车辆导航过程中，多径误差是近距离差分gps等高精度定位的主要误差源。
Solves the issue of how to devise the appropriate hardware and software for the GPS positioning and heading system, and provides a guarantee for its precision improving.
解决了GPS定向系统研制工作中的软硬件设计问题，为进一步提高GPS定向或定姿准确度提供了保障。
Detection and reparation about cycle slip are the key problems of GPS high precision and real time positioning.
周跳的探测与修复是GPS高精度实时定位的关键问题。
GPS technique, combined with the high precision geodetic level model, can replace the traditional low-grade leveling, and realizes 3d GPS positioning function on the meaning of geometry and physics.
GPS技术结合高精度、高分辨率的大地水准面模型可以取代传统的低等级水准测量，真正实现GPS定位技术在几何和物理意义上的三维定位功能。
GPS technique, combined with the high precision geodetic level model, can replace the traditional low-grade leveling, and realizes 3d GPS positioning function on the meaning of geometry and physics.
GPS技术结合高精度、高分辨率的大地水准面模型可以取代传统的低等级水准测量，真正实现GPS定位技术在几何和物理意义上的三维定位功能。
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