This paper presents an optical fiber positioning unit for LAMOST.
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。
In particular, YAG laser welding technique has satisfied the fiber positioning process.
尤其是采用YAG激光焊接技术，较好的解决了光纤定位工艺。
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。
Testing results demonstrate that this new double revolving optical fiber positioning unit device well satisfies the requirements of LAMOST.
测试结果表明，该单元装置完全能满足LAMOST的需要。
That storing the information of fiber positioning unit in the computer is the base not only for units examination and controlling, but also for the data interface of all system transportation.
对光纤定位单元的性能实验和自动控制都要求将单元的相关信息存储于计算机，而且系统间光纤定位单元信息的相互传递也需要统一约定的接口。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
Quantum spatial positioning, clock synchronization and fiber optic communications become possible through researching the quantum entanglement characteristic between the simple two particles system.
通过研究最简单的两粒子体系之间的量子纠缠特性，使得量子远程定位、时钟同步和光纤通信成为可能。
A recurrence algorithm based on fiber Bragg grating curvature spatial sensor for total distance positioning of in-pipe robot was presented.
为了实现管道机器人在工作时对自身位置的全程定位，提出了一种基于光纤光栅空间曲率传感器全程定位的递推算法。
The architecture of metro optical network, networking principles and the selection of optical fiber cable are discussed in accordance with metro network positioning and function.
根据城域网的定位及作用，对城域光网络的结构、组网原则和光纤选用等问题进行了讨论。
Fabric positioning: The prevalence of cotton, hemp, silk and natural fiber-based, supplemented by imports of high-grade chemical fiber fabrics.
面料定位：以流行的棉、麻、丝和纯天然纤维为主，辅以进口的高档化纤面料。
Fabric positioning: The prevalence of cotton, hemp, silk and natural fiber-based, supplemented by imports of high-grade chemical fiber fabrics.
面料定位：以流行的棉、麻、丝和纯天然纤维为主，辅以进口的高档化纤面料。
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