The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals as they travel through the ionosphere and troposphere.
这款车将遵循差分式全球定位系统以纠正它在电离层和对流层行驶中全球定位卫星信号引起的误差。
If they could not correct for the effects of relativity, Einstein's most famous discovery, GPS signals would accumulate so many errors that their data would be meaningless.
如果全球定位系统不能修正相对论效应——爱因斯坦最著名的发现相对论的产物，这些信号就会积累大量的误差，其数据就会变得毫无意义。
Under the condition of re-observation, the relative errors of measuring area with the pocket GPS could reach 2.0% , which could meet the precision demand of measuring area in forestry practice.
在重复观测的条件下，手持GPS测量面积的相对误差可以达到2.0％，基本满足林业生产中测量面积的精度要求。
The errors of heading and attitude measurement with GPS are discussed and the schemes are proposed.
通过误差分析，讨论了影响GPS航姿测定的各项误差，提出了GPS航姿测量方案。
The reason is that automatic approach and landing by only GPS based guidance may have large position errors.
原因是仅依靠GPS导航的自动接近和着陆，可能有较大的位置误差。
Thee car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals as they travel through the ionosphere and troposphere.
翻译：这款汽车将由一个特异的GPS系统来导航，该系统能够纠正全球定位卫星信号在穿越电离层和对流层时出现的错误。
One of the crucial steps is choosing an appropriate regularizer in processing GPS systematic errors based on the semi-parametric model.
基于半参数模型的GPS系统误差处理的关键之一是选择合适的正则化矩阵。
Due to the influence of various factors, GPS positioning still has errors.
但由于各种因素的影响，GPS定位存在误差。
The effects of GPS signal errors on mobile robot positioning accuracy were studied and a fusion model by blending GPS and odometry data was presented.
分析了GPS信号的误差对移动机器人定位精度的影响，提出了GPS信号与测距法的融合模型。
The alignment of the INS/GPS gives the INS computer the initial conditions to calculate the navigate information, and estimates the initial errors to correct the results.
组合系统的初始对准就是要给出惯导解算的初始值，并对初始误差进行估计和修正。
The GPS RTK positioning technology has been widely used in the measuring engineering. The errors of the data mainly are composed of measuring error and coordinate conversion error.
GPSRTK定位技术，因其直观快捷、实时性强、点位误差不累积等优点在测绘生产中得到了普遍的使用，其误差由GPS的定位误差与坐标转换误差组成。
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。
The errors existed in the interferogram were analyzed and the orbit residual is removed by GPS observations.
利用GPS观测数据对轨道误差进行了纠正，最终得到的同震位移场与GPS数据有着很好的一致性。
Using GPS observation data from differential GPS reference stations, several errors, which can't modeled, were solved and sent to user around these reference station.
局域差分gps认为在距离参考站较近的区域内，观测误差具有相关性。参考站将观测量与理论值之差作为差分改正数发送给用户进行差分改正。
The observed qualities and surveying errors of GPS network are analyzed and evaluated, And the superiority of using GPS technology in place of traditional surveying technology is presented.
论述了GPS测量控制网的设计和实施方法，对GPS控制网的观测质量和测量误差进行了分析、评价，阐述了GPS技术替代常规测量方法的优越性。
Ionosphere delivering delay error is one of the main errors in the GPS measuring.
电离层传输延迟误差是GPS测量中主要误差之一。
By understanding these errors, the user can both hope to reduce them and to understand the limitation of the GPS system.
只有理解这些误差。才有可能削弱这些误差和了解GPS系统的局限性。
We adopt a extend Kalman filter to estimate and correct the errors. The result of simulation given in this paper indicate tha the SINS/GPS/OD can effectively improve on the navigation parameters.
并给出了仿真结果，仿真结果表明，该组合导航系统可有效减小速度和位置等导航参数的累计误差。
Model errors are inevitably existed in a large-scale GPS leveling fitting model. This paper mainly deals with such model errors and on how to choose the fitting function model of GPS level.
大范围GPS水准拟合模型，必然存在模型误差，考虑模型误差，如何选取GPS水准的拟合模型是本文讨论的主题。
DGPS is used to effectively compensate for some errors in the GPS position solution, to improve its accuracy.
差分gps是一种十分有效的改进和提高GPS导航定位精度的方法。
GPS has a relatively slow update rate (1 to 10 Hz) and is subject to short term errors.
GPS数据更新较慢(1hz到10hz)，并且短时间内存在误差。
Through the study of GPS measurement errors, understanding errors in the design of technical solutions take the appropriate measures to eliminate or weaken these effects.
通过对GPS测量误差的研究，在设计技术方案时采取相应的措施消除或消弱误差的影响，严格按照测量规范进行操作，尽量避免并减少误差从而提高成果的可靠性和精确性。
The basic model of GPS Common View (GPSCV) is discussed. The satellite ephemeris errors and the station location errors are analyzed in details and then some cautious problems in GPSCV are given.
在此基础上，分析了各种误差源对时间比对的影响，给出了不同比对精度下需要考虑的改正项。
The simulation results indicate that the pseudo-range remaining errors will be increased with the distance between base-station and GPS user and in the case of low satellite elevation.
仿真结果表明用户和基准台之间距离增大和低卫星仰角都将使伪距残差增大，气象因素和高程对伪距残差也有影响。
The software based on the above studies has some functions that it can guide the layout and detect gross errors of GPS-leveling points.
在此基础上编制的GPS水准拟合软件，具有可以指导GPS水准点的布设、检验GPS水准点中的粗差等功能。
In the absence of the selective availability errors, the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere.
在没有选择可用性条件下，差分gps定位精度完全取决于电离层的空间不相关性。
Because popularizing and spreading of computer, especially exploiting of GPS, it is convenient and lessening Errors that surveying curve center point from control point.
由于全站仪和计算机的普及和推广，尤其是GPS定位仪的开发，直接由导线点或其它控制点测设曲线中心线，既快速便捷又减少了累计误差。
In GPS surveying, we usually need to compute closure difference of triangle or polygon, so as to search surveying gross errors and estimate GPS observing precision.
在GPS测量中，往往需要计算三角形、多边形闭合差，以便及时发现观测粗差、衡量GPS观测精度。
The second part shows GPS observational equation, the corresponding error sources, the characteristics of errors and the essential methods for error processing.
第二是有关GPS观测方程和相关误差产生的原因，分析了误差的特点和处理的基本方法。
The second part shows GPS observational equation, the corresponding error sources, the characteristics of errors and the essential methods for error processing.
第二是有关GPS观测方程和相关误差产生的原因，分析了误差的特点和处理的基本方法。
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