Then according to the voidness of GPS satellites in different position, the effect on navigation accuracy of GPS(that is GDOP)is studied. The validity of voidness strategy is proved by simulation.
首先分析了GPS卫星对特定区域的覆盖情况，然后针对不同位置的GPS卫星失效，考察对GPS导航精度即目标区域GDOP值的影响，并通过仿真予以验证。
For the test requirement of precision agriculture, differential systems of GPS position were adopted to increase the position accuracy of GPS system.
为了精准农业技术示范试验需要，采用了GPS定位差分系统，以提高GPS系统定位精度。
The distribution of the GPS leveling points obviously affects the accuracy of interpolated GPS height.
水准联测点的分布状况对GPS高程的拟合精度有明显影响。
If GPS positioning accuracy need be improved under the jamming circumstance, it must take measures to improve the anti-jamming ability of GPS receiver, such as outer navigation aid, etc.
若要在干扰环境下提高GPS的定位精度，必须采取措施提高GPS接收机的抗干扰能力，如采用外部导航辅助等。
A new method to improve GPS attitude determination accuracy in close shot target and three-dimension survey system is discussed based on the introduction of principles of GPS attitude determination.
本文在介绍GPS姿态测量技术原理的基础上，探讨了在近景目标三维测量系统中提高GPS测姿精度的新方法。
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。
This article takes the application of GPS-RTK on finish construction survey of high tension corridor as an example and analyzes the accuracy about the GPS-RTK technology.
以GPS -RTK在高压走廊竣工验收测量中的应用为例，对RTK技术在生产实践中的应用情况进行了分析和精度评定。
The unreasonably distributed GPS leveling points make some GPS points have too big extrapolated distance, which causes the extrapolated points have too low accuracy.
水准联测点分布不合理，使某些拟合点的外推距离太大，导致外推点的精度太差。
The accuracy and efficiency of the application of GPS in forest districts were improved effectively after building the GPS control network.
建立林区GPS控制网后，GPS在林区应用的精度和效率大大提高。
The precision of atmospheric dry delay model is closely correlative with GPS water vapor's accuracy in the process of GPS remote sensing.
在GPS遥感水汽过程中，大气干延迟模型的精度直接影响水汽遥感的精度。
This paper introduces the repetition measurement of geodetic monitoring net of Huang Lashi land slide by GPS. The accuracy comparison of results obtained by GPS and normal surveying method is given.
介绍运用GPS复测黄腊石滑坡大地形变网，并将其测量成果与常规方法作精度比较。
Through verification of living examples, the accuracy of GPS height fitting is mainly dependent on the accuracy of GPS geodetic height, accuracy of coincident point normal height, coincident p…
一般在重合点数量充足且分布均匀的情况下，GPS高程拟合的精度可达到四等水准网的精度要求。
The GPS simulator is simple and low cost. The generated signal is accuracy enough to meet the test of most GPS receiver.
该GPS信号模拟器结构简单，成本低，生成的GPS信号精度高，可以满足部分GPS接收机的测试需求。
The GPS simulator is simple and low cost. The generated signal is accuracy enough to meet the test of most GPS receiver.
该GPS信号模拟器结构简单，成本低，生成的GPS信号精度高，可以满足部分GPS接收机的测试需求。
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