时域反射计

采用时域反射计监测石灰加固土内的物理化学反应过程。

Laboratory TDR monitoring of physicochemical process in lime kiln dust stabilized clayey soils ;

基于时域反射计测量提取S参数的一种新方法

Extraction of S-parameter from TDR measurement

时域反射计（TDR）是根据时域反射原理设计的测试仪器。

Time domain reflectometry ( TDR ) is a testing instrument based on the time domain reflection theory .

本文研究一种新型的基于Φ-OTDR（phase-sensitiveopticaltime-domainreflectometer，相位敏感光时域反射计）分布式光纤传感技术的安防系统。

In this paper , a novel security systems based on the Φ - OTDR ( phase-sensitive optical time-domain reflectometer ,) distributed optical fiber sensing technology is proposed .

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 .

利用阶跃脉冲代替传统时域反射计（TDR）中的测试矩形脉冲，可较好地解决距离分辨率的问题。

Using of the step pulse to replace the rectangle pulse of tradition test , the problem of the distance resolving power is better solved .

首次提出了一种基于纤维增强塑料（FRP）传感光缆的新型高灵敏相位敏感光时域反射计（Φ-OTDR）分布式光纤入侵监测系统。

A novel Φ - OTDR distributed optical fiber intrusion monitoring system based on fiber reinforced plastic ( FRP ) encapsulated fiber cable is reported and demonstrated for the first time to our knowledge .

布里渊散射光时域反射计（BOTDR）是近年来才研发成功的分布式应变测量技术。

Brillouin Optical Time-Domain Reflectometer ( BOTDR ) is a newly developed distributed measuring technique for strains .

通过计算机仿真，给出了用光时域反射计（OTDR）探测到的光纤转动传感器输出信号的特性，利用优化的环长和分光比两结构参量，分析了模拟结果。

The output signal characteristics of optical time domain reflectometer ( OTDR ) are deduced and analyzed by optimizing the structure parameters of the two rings cavity lengths and coupling ratios .

介绍了两类先进的分布式光纤传感器技术，即光纤光栅（FBG）和布里渊光时域反射计（BOTDR）；

Two kinds of novel distributed fiber optic sensing technique , i.e. , Fiber Bragg Grating ( FBG ) and Brillouin Optical Time Domain Reflectometer ( BOTDR ), are introduced in this paper .

基于自发布里渊散射的布里渊光时域反射计（BOTDR）是一种分布式光纤传感技术。

Brillouin optical time domain reflectometer ( BOTDR ) is a type of distributed optical fiber sensing technology , which is based on spontaneous Brillouin scattering .

讨论了在干涉型光纤陀螺仪、光时域反射计、医学相干检测技术、波分复用技术中对SLD的要求。

The requirements of Interference fiber optical gyroscope ( IFOG ), optical time domain reflectometer ( OTDR ), biomedicine optical coherence tomography ( OCT ), and Wavelength division multiplexing ( WDM ) for SLD were introduced respectively .

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 .

偏振敏感时域反射计（P-OTDR）在光纤偏振参数（双折射、偏振模色散）分布式测量，分布式传感中有着广泛的应用。

Polarization sensitive optical time-domain reflectometer ( P-OTDR ) is widely used for measuring polarization parameters of optical fiber ( birefringence , polarization mode dispersion ) and for distributed optical fiber sensing .

基于布里渊光时域反射计（BOTDR）的传感原理，构建了分布式光纤布里渊温度传感测量系统，对4.25km长度的光纤进行了温度传感试验。

Based on the sensing theory of Brillouin optical time domain reflectometry ( BOTDR ), the distributed optical fiber Brillouin temperature sensing system is built and is used to measure the temperature on the 4.25 km length optical fiber .

对于光时域反射计（OTDR）技术，分析了影响光纤传输特性的因素及瑞利散射和菲涅尔反射的原理；研究了OTDR的工作原理及组成，同时讨论了OTDR的主要技术指标。

For the optical time domain reflectometer ( OTDR ), the factors that impact optical fiber transmission characteristics and the principles of Rayleigh scattering and Fresnel reflection are analyzed . The principle and configuation of OTDR are studied , and the main technical specifications of OTDR are discussed .

基于实时小波变换信号处理的相干检测布里渊光时域反射计

Real-time Wavelet Transform Based Coherent detecting Brillouin Optical Time Domain Reflectometer

基于时域反射计的信号采集系统设计

Design of signal acquisition system based on time domain reflectometry

新型光时域反射计在无源光网络中的应用

The application of a new OTDR in passive optical networks

应变梯度对布里渊光时域反射计测量精度的影响

Influence of Stress Gradient on Measurement Accuracy of Brillouin Optical-Time-Domain-Reflectometry

大动态范围光时域反射计的实现与应用

The Implementation and Application of Optical Time-Domain Reflectometry with Large Dynamic Range

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 .

讨论了通过时域反射计的瞬时反射和传输响应的测量来提取宽带S参数的一种新的方法。

This paper presented extraction of the brand band S-parameter response from transient reflection and transmission measurement .

另外，光时域反射计的界面设计也是一个重要的环节，本文也进行了相应的研究。

In addition , OTDR interface design is also an important part , so we also do some corresponding research in this paper .

本项目的重要意义在于通过本项目的研究使得我国能够研制并批量生产高性能微型光时域反射计，并能与国外同类先进产品相抗衡，打破了国外同类产品在国内的垄断局面。

The significance of the research is that the ability of developing and producing high performance and Mini OTDR is possessed , and the situation of the native market monopolized by foreign products is broken .

目前，光纤光栅温度／应变传感器和光时域反射计已经商品化，并且广泛应用于大型建筑物、桥梁、电力设备等的健康诊断和通信光缆的故障定位。

At present , fiber Bragg grating ( FBG ) temperature / strain sensors and optical time domain reflectometer have been commercialized , and have been widely used in the health diagnostics of large buildings , bridges , electrical equipment , and the fault localization of optical fiber cables .

脉冲时域反射物位计在电厂中的应用

The Application of the Pulse TDR Gauge to Power Plant