反射计

X波段单六端口反射计系统

X-band single six - port reflectometer system

本文利用共轭匹配网络对，分析了二端口网络及n端口广义反射计的共轭匹配电路。

This paper analysis the conjugate match circuit of the . two-port network and n-port generalized reflectometer by means of the pair of conjugate match network .

W波段六端口反射计的设计、校正与误差分析

W-band six-port reflectometer : its design , calibration and accuracy

小型化测试仪以H面扇形喇叭探头作为传感器，用小型矢量反射计作为指示器。

The miniaturization apparatus takes H-plane fan-shaped horn antenna as sensor , little vector reflector as indicator .

同时对六端口反射计测量RCS的实验结果进行了讨论。

The sir-port reflectometer circuit for testing RCS and some experimental results are also presented .

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 .

无线电发射机频率容限高分辨率光频域反射计的发展和应用

Development and Application of Optical Frequency Domain Reflectometer with High Resolution

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

超低剩余反射计的研制

Development of measuring instrument for the ultra low remnant reflectivity

用单六端口反射计测量二端口网络参数

Measurement of Two-Port Network Parameters by a Single Six-Port Reflectometer

用滑动终端校准六端口反射计的理论和方法

Theory and Method for Calibrating Six-port Reflectometer With Sliding Terminations

用于天线罩电厚度测量的小型微带六端口反射计

A Small Microstrip Six-Port Reflectometer for Measuring the Electrical Thickness of Radom

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

引进设备组成的六端口反射计系统

A Six-port Reflectometer System Consisting of the General Instruments