定位精度

GPS在精准农业应用中定位精度的实验研究

Experiment and Study of the Positioning Accuracy of GPS in Precision Agriculture

差分GPS定位精度研究

Study on Positioning Accuracy of Diferential Global Positioning System

GPS星历对实时定位精度的影响研究

Study on the Effect of GPS Satellite Ephemeris to Real-Time Positioning

影响GPS定位精度的因素及解决方法

Factors Affecting GPS Positioning Accuracy and Methods of Improving Accuracy

GPS精密单点定位精度测试与分析

Test and analysis for precision of GPS precise point positioning

一种提高差分GPS基准站定位精度的新方法

A new approach to improving the accuracy in positioning the base station of Differential-GPS system

不同实验条件下GPS伪距定位精度分析

The analysis of precision of high precise positioning using GPS pseudo-range in different experiment conditions

差分GPS和全站仪在水下地形测量定位精度探讨

Discussion on the Positioning Accuracy of DGPS and TS ( Total Station ) in Underwater Topographic Surveying

对流层折射对GPS定位精度产生重要影响。

The influence of the tropospheric refraction to the GPS positioning accuracy is explained in this paper .

通过误差公式计算可知，GPS的定位精度得到了显著改善。

Computational results with the error formula show the notable improvement on the positioning accuracy of GPS .

民用单频GPS接收机实时定位精度约为100m。

The real time positioning precision of civilian single frequency GPS receiver is about 100 meters .

城市道路环境和沿街建筑物的稠密度是影响GPS定位精度的主要因素。

This shows that the environment of urban-area road and constructions density are the main factors affecting the accuracy of GPS location .

应用表明该系统的定位精度在4-7m之间，比普通GPS系统的定位精度大为提高。

Application of this system show that its location precision is between 4m and 7m , it is better than general GPS system .

但是，GPS单机定位精度受到美国政府SA政策的直接影响。

But the precision of GPS single - point positioning is directly surfer from the SA policy of American government .

在X刀的治疗过程中，系统的机械等中心定位精度是一个关键性的技术参数。

The mechanical isocentre positional accuracy of the X Knife system is a very important technological parameter in the course of the X Knife therpy .

用Hough变换提高激光光斑中心定位精度的算法

An Algorithm To Raise the Locating Precision of Laser Spot Center Based on Hough Transform

为保证INS拥有较高的导航定位精度，需要使用较好的数据融合方法。

A good data fusion method is used to ensure a high precision navigation and positioning of the INS .

PMAC下直线电机定位精度分析与误差补偿技术

The Study of Positioning Accuracy of Linear Motors and Error-Compensation Technology Based on PMAC

论文最后在MATLAB软件平台下，通过改进算法与以往算法相比，分析定位精度和采样次数性能表现情况。

In the end of this thesis , it analyzed the performance from the aspects of localization accuracy and sampling frequency compared with the former algorithms with MATLAB platform .

本论文分析了基于直扩的区域无线电导航系统的总体结构和工作原理，对区域导航中和定位精度有关的部分进行了研究，并利用matlab软件进行建模仿真。

This thesis analyzes the principle and architecture of area navigation system and investigates the problems related with positioning precision , which are modeled and realized with simulation tool , Matlab .

滚珠丝杠螺距误差前馈补偿法提高X-Y工作台定位精度的研究

Research on the Method of Lead - Screw Error Compensation for Improving X-Y Table Position Accuracy

短基线的实验可以提供2～5m（2drms）的用户定位精度。

Short base line test has provided the positioning precision is about 2-5 m ( 2 drms ) .

论述了在经典的边缘算子基础上发展起来的最优边缘检测算子，比如LOG算子、坎尼边缘检测算子等检测定位精度较高的最优算子；

Discussing of some optimal edge-detected operators , such as LOG operator , Canny edge-detected operator , which are developed on the base of classical ones , and shown higher precision than the formers .

YY型液压摇尺装置的流体动力学影响摇尺定位精度。

The fluid dynamics of the hydraulic setworks is of influence on the accuracy .

系统测试结果表明：基于VRS的GPS实时差分定位精度达到了厘米级，精度分布比常规RTK更均匀。动态对动态GPS实时差分定位

Testing results demonstrated that the VRS / RTK offers better and more even positioning precision than traditional RTK . Dynamic to Dynamic GPS Real time Differential Positioning

根据差分GPS原理，分别从影响定位精度的三个方面：时间同步、远近效应、几何精度衰减因子予以讨论。

According to the principle of DGPS , separately discusses the problem in three aspects which is influenced position accuracy , that is time synchronization , near-far effect , geometric dilution of precision ( DOP ) .

在一定的定位精度要求下，二者的平面定位可信度基本一致，GALILEO的高程定位可信度优于GPS系统；

Given positioning accuracy , horizontal positioning creditability of GALILEO is consistent with that of GPS , but vertical positioning creditability of GALILEO is superior to that of GPS obviously .

实验结果表明：经解析补偿的广义联邦滤波器的定位精度同集中Kalman滤波器的定位精度十分接近，具有全局滤波最优性。广义联邦滤波器的设计使联邦滤波理论更加完善，增强了其实用性。

Tests demonstrated that the position precision of the generalized federated filter designed using analytic compensation is close to that of centralized Kalman filters , so the global filtering design is optimized .

主电路电源部分采用全控器件IGBT构成逆变桥，通过回馈制动降低能耗，提高调速性能和定位精度。

Reversible bridge of the main circuit is composed with IGBT component , which reduces energy consuming , improves speed-adjusting performance and orientation precision by feedback braking .

数字仿真表明：由中等精度的陀螺仪和加速度计以及GPS组成的组合导航系统平台水平误差角小，定位精度高，能够满足重力测量和导航要求。

Digital simulation shows that the integrated navigation system of moderate precision accelerometers , gyroscopes and GPS , has small platform angle error , high positioning precision and can meet the requirements of gravity measuring and navigation .