系统采用拉曼光时域反射技术，对所测点进行定位。
The position of measurement point was determined by Raman scattering optical time domain reflection (OTDR) technique.
光时域反射计非光纤通信必出无否长的的测量仪器。
Optical Time Domain Reflectometer is a measuring instrument that is essential for optical fiber communication.
同时也使学生了解光时域反射仪的工作原理和基本操作。
Students can understand and master the essential principle and basic …
所述设备包括由光开关和阵列波导光栅组合而成的光时域反射波长选择模块。
The optical time-domain echo wave length selecting module of the equipment comprises the following parts: an optical switch and an array waveguide raster.
探讨了OTDR（光时域反射计）故障定位的原理，说明了OTDR的使用方法。
The principle of OTDR (Optical Time Domain Reflectometry) for faults location and application of OTDR method is discussed.
本文介绍了光纤拉曼散射测温基本原理和基于光时域反射(OTDR)定位原理。
This paper presents the principles of the Raman back-scattering effect based temperature sensing and the OTDR (Optical Time-Domain Reflectometry) based positioning.
基于光时域反射技术，进行了分布式传感光纤检测拱桥钢管混凝土交界面脱空的研究。
Based on optical Time Domain Reflectometry, detecting disengaging at interface of steel tube-confined concrete (STCC) with distributed optical fibers was investigated.
摘要：阐述了基于拉曼背向散射和光时域反射(OTDR)技术的分布式光纤测温系统的原理。
Abstract: The principle of distributed temperature sensor system based on Raman Scattering and optical time domain reflectometer (OTDR) is explained.
同时，还讨论了影响光时域反射仪(OTDR)测试精度的要素和消除测试误差通常采用的对策。
At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer (OTDR) and measures for eliminating test error.
研究了一种用于大型工程结构应变、变形状态监测的基于光时域反射技术的分布式光纤应变传感系统。
A distributed optic fiber type strain sensing system based on optical time domain reflectometer and used for monitoring large scale structural strain and deformation state is studied in the paper.
本文介绍一种基于光时域反射技术的PMD测试新方法，可以保证网络运营商最大程度使用现有通信网络。
A new method with Optical Time Domain Reflectometry Technique for detecting PMD allows network operators to maximize the reuse of existing physical plant.
本文在分析研究了现有的光纤应变传感技术的基础上，提出了基于光时域反射技术的缠绕式光纤应变传感系统。
Based on analysis of domestic and foreign study actualities on fiber-optic strain sensor-based system, a new winding fiber-optic strain sensing technique based on OTDR is presented.
阐述了光纤陀螺中光纤环的的作用和绕制技术，介绍了布里渊光时域反射计（BOTDR）的工作原理和性能。
The winding technology of fiber coil used in fiber optic gyroscope was demonstrated. The principle and application of Brillouin Optical Time Domain Reflectometer (BOTDR) were introduced.
本发明通过使用具有光时域反射波长选择模块的光纤故障定位设备，具有了降低光纤故障定位系统投入成本的效果。
The device comprises the following parts: a control module, a modulating module, a sending module and a fiber fault position module. The invention reduces the cost of the fiber fault position system.
介绍了布里渊光时域反射计(BOTDR)的分布式光纤应变测量原理，并应用BOTDR技术对钢筋混凝土T型梁加载后的应变分布进行了测量。
The principle of Brillouin optical time domain reflectometer (BOTDR) is introduced and its application to the strain monitoring of the strain distribution of the reinforced concrete beam is studied.
介绍了布里渊光时域反射计(BOTDR)的分布式光纤应变测量原理，并应用BOTDR技术对钢筋混凝土T型梁加载后的应变分布进行了测量。
The principle of Brillouin optical time domain reflectometer (BOTDR) is introduced and its application to the strain monitoring of the strain distribution of the reinforced concrete beam is studied.
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