Simulations show that average positioning error less than 21% of nodes' radio range in a scenario where an average connectivity is 8 and anchor nodes is 20.
仿真实验显示,在网络连接度为8、参考节点数量为20的情况下,平均定位误差小于节点射频通信距离的21%。
The inherent positioning error of D R algorithm is studied.
文中主要讨论D- R算法本身固有的定位误差。
Surface should be used as a fine datum to be processed first, because the precision of the positioning of the surface is more accurate, the smaller the clamping error is.
用作精基准的表面应先加工出来,因为定位其准的表面越精确,装夹误差就越小。
A correction algorithm for shape difference is given according to the influence of shape difference and generalized image error on positioning accuracy of micromanipulation.
根据形状差异和广义图像误差对微操作定位精度的影响,给出了形状差异的矫正算法。
But the positioning error of INS accumulates along with time.
但惯导定位的定位误差会随着时间不断积累。
However because of the refraction effect in the troposphere there is refractive error in the parameters measured in positioning system.
但由于对流层中的折射效应,定位系统所测目标的仰角、距离等参量均存在一定的折射误差。
This paper presents a method of robot position error compensation and introduces a high precision positioning system of robot.
本文提出了一种机器人高精度定位补偿系统,介绍了一种位姿误差补偿方法。
This paper analyzes the components and features of GPS, discusses differential dynamic positioning technology with GPS in real time and its error sources.
分析了全球定位系统GPS的组成及功能,探讨了GPS实时差分动态定位技术及其误差来源。
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
主要分析对流层的折射效应对超视距雷达信号定位的影响,并且给出相应的折射误差图(仰角误差和距离误差);
According to the given source and mathematic model of matching error, a algorithm for real time matching of GPS positioning results and digital maps is put forward.
通过误差来源的分析和误差模型的建立,提出了一种车辆导航中gps定位测量与数字地图实时配准的地图匹配算法。
Aiming at channel errors and motion errors appearing in the tri-channel SAR-GMTI, a method of detection and positioning for the moving ground targets is presented based on the error calibration.
针对机载三通道SAR-GMTI存在通道误差、运动误差等情况,提出了一种基于误差校正的SAR图像域动目标检测和定位方法。
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。
By means of the synthetic analysis of the factors that affect the positioning error, the basic concepts of the robustness of fixture positioning scheme are presented.
对影响机床夹具定位误差的各种因素进行了综合分析,提出了定位方案稳健性的基本概念。
The network can reduce the modeling error for the piezoelectric actuator of a nanometer positioning system. Experimental results proved validity of the algorithm.
将该网络应用于纳米定位系统压电陶瓷执行器迟滞建模中,可以降低建模误差,实验结果验证了该方法的有效性。
With this scheme, the automatic positioning and measurement of the axle journal is realized, the manual measurement error is reduced, and the scheme is fairly practical.
该方案实现了轴颈的自动定位和测量,减小了人工测量误差,实用性较强。
Error analysis shows that the displacement measuring error entirely depends on geometric positioning precision of the first bar code center.
误差分析表明:位移测量误差完全取决于首条码中心几何定位。
The analysis results show that in typical cases the range positioning error of the radar-theodolite joint positioning model is basically equivalent to radar range finding error.
其结果表明,在典型情况下雷达经纬仪联合定位模型距离定位误差与雷达测距误差基本相当。
The results show that the method can reduce the positioning error and obtain a higher location accuracy to meet the needs of target location on sea or load.
分析结果表明,该方法可以减小定位误差,获得较高的定位精度,满足对海上或陆上目标定位的需求。
Global positioning system real time kinematic technology (GPS RTK) was applied to the error model identification of the inertial navigation platform in this paper.
对在惯导平台车载试验误差模型辨识中使用全球卫星定位系统(GPS)载波相位差分(rtk)法进行了研究。
In this paper, we use GPS with gyroscope to solve the problem of error accumulation, increase the accuracy of the mileage positioning.
本文利用GPS和陀螺仪的辅助,解决了误差累积的问题,提高了里程定位的精度。
The system analyses positioning accuracy and movement accuracy and USES error compensation methods to enhance the accuracy of the system.
对系统的运动精度和定位精度进行了分析,用误差补偿的方法提高了系统的精度。
Based on the research on the positioning theory of RDSS system, a positioning error model was established and a simulation system was developed.
在研究其定位原理的基础上,建立了双星定位系统的误差模型和仿真系统,并对仿真系统的硬件结构、仿真软件和仿真方法进行了介绍。
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 precision and performance index of ball screw unit determine the positioning accuracy and the resetting accuracy of nc machines, especially its lead error.
它的精度和各项性能直接影响数控机床的定位精度和重复定位精度,特别是滚珠丝杠的导程误差对机床定位精度的影响最为明显。
It mainly introduces the receiving and decoding of GPS information, GIS positioning and output information coding. The system error and its resolve method are studied at last.
主要介绍了GPS信息的接收和解码、GIS定位和输出信息编码,最后探讨了系统误差以及解决方法。
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。
Errors of RSSI measurement and network location can be got by measuring the distance between beacon nodes, thus the positioning accuracy of entire network can be improved by error compensation.
该算法通过测量信标节点之间的距离,获得信标节点rssi值测量误差和网络的定位误差,并对误差进行补偿,从而提高整个网络的定位精度。
The positioning error of the antenna near field measurement system can be exactly measured and corrected by using the advanced laser measurement technology.
借助于先进的激光测量技术,可对天线近场测量系统的定位误差进行精确测量并加以校正。
The positioning error of the antenna near field measurement system can be exactly measured and corrected by using the advanced laser measurement technology.
借助于先进的激光测量技术,可对天线近场测量系统的定位误差进行精确测量并加以校正。
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