positioning accuracy

As the main interference, sky wave brings in the form of MAI and near-far effect in the navigation receiver, which can affect the positioning accuracy seriously.

天波作为系统中存在的主要干扰源，在导航接收机中以多址干扰和远近效应等两种形式存在，严重影响系统定位精度。

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Accuracy analysis of over-the-horizon target positioning

超视距目标定位精度分析

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GPS technology has been used in lots of fields, and GPS relative positioning accuracy has been achieved the level of 10-9.

GPS技术已在多学科各个领域有着很重要的应用，GPS相对定位精度已经达到10-9。

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Each system has its own merits. Therefore it is inevitable to develop the techniques compatible with multiple satellite navigation system to improve the positioning accuracy and freedom from the constraints of a single system.

各个系统各有优劣，因此为了提高定位精度和免受单一系统的制约，开发同时兼容各卫星导航系统的应用技术是必然趋势。

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The principle and structure of measuring device to detect the positioning accuracy of LAMOST fiber positioning unit are introduced.

介绍LAMOST光纤定位单元定位精度检测装置的工作原理及结构。

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In GPS positioning, the selection of the satellite has a great influence on the positioning accuracy.

应用GPS全球定位系统进行定位测量时，合理选择观测卫星对定位精度影响很大。

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A binary artificial bee colony algorithm ( BABC) is developed and then employed for optimal selection of measurement configurations, the real experiments demonstrated that the robot positioning accuracy is further improved. 3. The approach to obtain real circle projected center using concentric circle is discussed.

提出二进制人工蜂群算法并用于标定最优测量形位的选择，进一步提高了机器人的绝对定位精度。3.研究利用同心圆求得圆心真实投影点的方法。

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By applying the presented approach, the positioning accuracy of the existing system can be significantly improved to obtain the theoretical maximum luminous flux.

这种方法可以显著提高现有系统的定位精度，获得理论最大的光通量。

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The influence on positioning accuracy by relative location of reference station and moving station in interpolation method

内插算法中流动站和基准站相对位置对定位精度的影响天体位置的相对测定

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

差分GPS和全站仪在水下地形测量定位精度探讨

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A New Mechanism of Heightens the Machine Tools Repeatability Positioning Accuracy

提高机床重复定位精度的新机构

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It is assumed that the accuracy of internal thread depends on the accuracy of tap, while the positioning accuracy of threaded hole depends on that of bottom hole before threading.

总结出内螺纹的螺纹精度直接取决于丝锥的精度，而螺纹孔的位置精度却有赖于攻丝前螺纹底孔的位置精度。

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Graduate has been used as position feedback element widely in high positioning accuracy motion sys ˉ tem.

在高定位精度的运动系统中，光栅尺做为位置反馈元件被大量使用。

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Study on axial vibration drilling to improve positioning accuracy guide twist drill

轴向振动钻削提高钻孔定位精度研究

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Kalman filter algorithm is used to estimate the moving target position, with the purpose of increasing positioning accuracy.

采用卡尔曼滤波算法对移动目标位置进行估计，提高定位精度。

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Lens is treated as the most basic optical components, and the positioning accuracy of lens center directly affects the imaging quality of entire optical system. Therefore the measuring technology of optical lens decentration has important significance.

透镜作为组成光学系统最基本的光学元件，透镜中心的定位精度直接影响整个光学系统成像质量，因此透镜中心偏测量技术的研究具有重要意义。

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Instant Support High-Low Adjustment: Patented design, accurate position fine-tuning. The influence on positioning accuracy by relative location of reference station and moving station in interpolation method

撑台高低点快调机构&专利设计套圈移位，微调精准，定位明确。内插算法中流动站和基准站相对位置对定位精度的影响

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The polar crane for nuclear power plant runs on a circular orbit on the top of the reactor plant, lifts the pressure vessel cover and components for reactor, and the positioning accuracy of polar crane must be strictly controlled.

核电站环行起重机运行于核反应堆厂房上方的环形轨道上，用于吊运反应堆压力容器顶盖和堆内构件，对其吊装定位精度要求极高。

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Wafer handling robot is automated material handling equipment used in Lithography machine which is the core of semiconductor manufacturing equipment. Its working speed, positioning accuracy, reliability, cleanliness impact on the lithography process directly in the production efficiency and manufacturing quality.

光刻机是半导体制造的核心装备，硅片传输机器人是其内部专用的自动物料处理设备，它的工作速度、定位精度、可靠性，使用洁净度等直接影响光刻工序中的生产效率和制造质量。

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

通过误差公式计算可知，GPS的定位精度得到了显著改善。

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Unit positioning is one of key technologies of LAMOST, whose positioning accuracy is the core of focal panel system.

单元定位是LAMOST主要关键技术之一，其定位精度是焦面系统的核心。

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This paper putted forward network of five-element cross array algorithm, because of location system for passive acoustic array algorithms in four-element cross positioning accuracy affected by the target azimuth.

本文针对四元十字阵被动声定位算法存在定位精度受目标方位角影响的问题，提出基于多基阵的网络五元十字阵算法。

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Simulation results show that after real time rectification, OD scale factor error can be reduced to 10~ (-4) quantity from 0.01, and the positioning accuracy of tightly coupled system is prior to loose coupled system.

仿真结果表明，紧组合系统可将刻度系数误差从0.01减小到10~（-4）量级；与松组合系统相比，紧组合系统的定位精度也得到了很大的提高。

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Outdoors, and other open areas, the accuracy of GPS work in a normal environment can reach 10 meters around called current maximum positioning accuracy of a location technology.

在室外等空旷地区，其精度在正常的GPS工作环境下可达10米左右，堪称目前定位精度最高的一种定位技术。

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When one system deteriorated, the integrated system could improve the positioning accuracy effectively.

当一个子系统发生突变时，综合系统可有效地改善其定位精度。

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Missile Firing Methods Under the Condition of Lower Target Positioning Accuracy

目标定位精度较低情况下的导弹射击方法

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The Positioning Accuracy Analysis of Ball Screw Feeding System

滚珠丝杠进给系统定位精度分析

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This paper introduces the method of testing the real time differential GPS of the Yangtze River estuary, and offers the results of data processing. It is proved that the differntial GPS technique can raise the positioning accuracy more than 10 times.

本文叙述长江口实时差分GPS试验的方法、内容及其数据分析处理的结果，证实了差分GPS技术可使定位精度比GPS提高10倍以上。

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Gear finishing is the procedure in which NC working punching machine is used to decoct the gear rag etc, which needs that the gears must be placed at appoint position of the punching worktable and positioning accuracy is high.

齿轮精整是利用数控精整冲床去除齿轮上毛刺以提高齿轮精度的一道工序，该工序需要将齿轮放置在冲床工作台的指定位置，且具有较高的定位精度。

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This paper, from tactics application viewpoint, analyse some ship to ship missile firing methods under the condition of lower target positioning accuracy.

以舰对舰导弹为例，从战术运用角度，分析和论述了几种在目标定位精度较低情况下的导弹射击方法。

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