光时域反射仪

使用光时域反射仪应注意的问题

Some Questions in the Application of OTDR

光时域反射仪在有线广播电视网络中的应用

The Application of OTDR in Cable TV and Broadcasting Network

基于DSP的光时域反射仪的研制

Development of Optical Time Domain Reflectometer Based on DSP

光时域反射仪（OpticTimeDomainReflectometryOTDR）是表征光纤传输特性的测量仪器。

Optic Time Domain Reflectometry ( OTDR ) is the instrument as a token the time domain of transmission characteristic of fiber .

作为光纤网络测量不可或缺的重要仪器：光时域反射仪（OpticTimeDomainReflectometryOTDR），伴随着光纤网络的发展而不断改进。

As an indispensable and important instrument for optical fiber network measurement , Optic Time Domain Reflectometry ( OTDR ) has continuously improved following the development of optical network .

OTDR（光时域反射仪）作为一种光纤测试仪器，在光纤通信和光纤监测等领域获得了广泛的应用。

OTDR is a kind of optical fiber test instrument . It has gained wide application in optical fiber communication and optical fiber monitoring .

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 .

本文探讨了影响测定短段光纤障碍点位置准确性的相关因素，并提出了采用光时域反射仪（OTDR）测定障碍点时提高判断准确度的方法，还通过仿真实验对所提方法进行验证。

This paper discusses the related factors which affect the accuracy effect related to determine the obstacle point on short length optical fiber and puts forward the methods of determining obstacle point accurately by using OTDR .

提出了一种用于分布式光纤拉曼温度传感器的对称解调新方案，采用瑞利散射光时域反射仪（OTDR）曲线解调光纤的反斯托克斯散射光时域反射仪曲线。

A new type of symmetrical demodulation method is proposed for the distributed fiber Raman temperature sensor . The anti-Stokes scattering optical time domain reflectometer ( OTDR ) curves are demodulated by Rayleigh optical time domain reflectometer curves .

光时域反射仪OTDR可以通过分析OTDR回收的检测信号，有效反映出光纤中故障点的信息，确定出故障点的位置和类型，是光纤维护过程中的重要工具。

As an important tool of optical fiber maintenance , Optical Time Domain Reflectometer ( OTDR ) can analyze the detection signal , effectively reflect the breakpoint information , and determine the location and type of the breakpoint .

光时域反射仪（OTDR）是光纤通信系统中常用的测试仪器，它能够测量光纤的长度、衰减系数、接头损耗等物理特性，而且能够对光纤中接头、断点等事件进行精确定位。

Optical Time Domain Reflectometer ( OTDR ) is an important test equipment used widely in optical fiber communication system for measuring the physical properties of optical fiber including the length , the attenuation coefficient , the connection loss .

介绍了正确使用光时域反射仪（OTDR）的方法、步骤和操作，并针对OTDR的不足指出应采取的补偿措施，以便快速准确地测出光缆线路故障点的位置。

The methods , procedure , and operation of correctly using OTDR are introduced . And aiming at the shortcomings of OTDR the compensating measures were taken , thereby realizing fast and accurate fault location of fiber optic link .

用一台光时域反射仪实现光缆接续的双向监测

Use a ray-reflecting instrument to realize bidirectional test of cable connection

基于小波变换的光时域反射仪数据去噪分析

Denoising analysis of OTDR data based on wavelet transform

窄泵浦脉冲对布里渊光时域反射仪测量精度的影响

Influence of Short Pulses on Measurement Accuracy of Brillouin Optical Time Domain Reflectometers

采用光时域反射仪测定短段光纤障碍点准确性探讨

The Veracity of Locating the Obstacle Point on Short Length Optical Fiber by Using OTDR

由于传统的相干光时域反射仪是基于单频探测的，它的测量效率很低。

As conventional C-OTDR is single frequency probe based , its measurement efficient is very low .

光时域反射仪测试范围与光纤线路测试精度分析

Analysis of Relations between Optical Time Domain Reflectometer 's Survey Range and Accuracy in Optical Fiber Telecommunication

光时域反射仪具有非破坏性测量、功能齐全、安全性好、使用方便等优点，在工程上得到广泛应用。

OTDR have advantages of un-destroy measure , functions , safety and convenient use . And it has been widely used in project .

相干光时域反射仪是多中继超长距离光纤通信线路健康监测的重要设备。

Coherent optical time domain reflectometry ( C-OTDR ) is an important instrument for health monitoring of multi-repeater super long distance optical transmission line .

在理论分析部分之后，基于对系统的特点及开发资源的考虑，提出基于嵌入式系统的光时域反射仪解决方案。

After the part of theory , based on the characteristics of the system and the resources of development , proposing the embedded system is the best choice to realize this OTDR system .

光时域反射仪是一种测量光纤衰减特性的仪器，但其所采集的光纤后向散射数据有很大的噪声，不利于光纤事件的分析。

OTDR is an important device used to automatically analyze the fiber 's attenuation performance , but fiber 's backscatter data has much noise , which has bad effect on fiber 's events analysis .

特别是光纤光栅传感技术和利用光时域反射仪的分布式传感技术，发展十分迅速，成为了智能结构和材料的基础技术之一。

Especially the Fiber Bragg Gratings ( FBG ) and the distributed fiber sensor making use of the Optical Time Domain Reflect ( OTDR ) develop rapidly , and they have become the foundation technologies of the intelligent structure and material .

超辐射发光管（SLD）可以作为光纤陀螺（FOG）、波分复用光纤通讯及光处理技术、光时域反射仪（OTDR）等的光源，近些年来在国内外多有研究。

Superluminescent diodes ( SLD ) are required as light sources for many applications including fiber optical gyroscopes ( FOG ), and for wavelength division multiplexing ( WDM ) optical fiber communication and testing systems , and also for optical time domain reflectometers ( OTDR ) .