reflectometer

1. Optical Time Domain Reflectometer is a measuring instrument that is essential for optical fiber communication.
   光时域反射计非光纤通信必出无否长的的测量仪器。
2. Theory and Method for Calibrating Six-port Reflectometer With Sliding Terminations
   用滑动终端校准六端口反射计的理论和方法
3. The different combination design model simulation results can be the theoretical reference for the forepart design of neutron reflectometer.
   不同组合设计模型模拟计算结果可为中子散射谱仪设计中子导管以及内表面超镜因子的选择提供理论参考。
4. In order to reduce the loss of neutron flux, neutron reflectometer design usually use the neutron guide to transport neutron beam, forepart of the neutron reflectometer is the shutter.
   为减少中子注量的损失，中子反射谱仪的设计通常需要采用中子导管来传输，最前端为中子束流闸门。
5. Development and Application of Optical Frequency Domain Reflectometer with High Resolution
   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
6. Triple-disk chopper design of horizontal neutron scattering reflectometer
   水平散射几何中子反射谱仪的三盘斩波器设计
7. A real-time monitoring technology for safety and leakage of oil pipeline based on theories of optical time domain reflectometer ( ODTR) and the distributed optical fiber sensor were introduced.
   提出一种基于光时域反射原理（ODTR）和分布式光纤传感原理实现输油管道泄漏安全实时监测的技术。
8. The article introduced some survey techniques and problems worth of attention in diagnosing the nutrition of the cotton through reflectometer.
   本文主要介绍了反射仪在棉花营养诊断上的操作技术和所需注意的问题。
9. Four-disk chopper design and simulation of neutron reflectometer
   中子反射谱仪的四盘斩波器设计及模拟计算
10. Real-time Wavelet Transform Based Coherent detecting Brillouin Optical Time Domain Reflectometer
    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
11. Measurement of Two-Port Network Parameters by a Single Six-Port Reflectometer
    用单六端口反射计测量二端口网络参数
12. 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.
    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。
13. At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer ( OTDR) and measures for eliminating test error.
    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。
14. Development of feed through system of UHV motive sealing for reflectometer
    反射率计超高真空动密封馈入系统的研制
15. Schematic Research on Automatic Antenna Impedance Matching System for Reentry Vehicle and Design of Reflectometer
    再入飞行器天线自动阻抗匹配系统的方案研究及其反射计的设计
16. The theory of operation of this modified reflectometer in the swept-frequency mode is analyzed thoroughly, the formula of the maximum error of this system is obtained and compared with that of the conventional case.
    对这种变型反射计在扫频方式下的工作原理进行了详细的分析，得出了此系统的最大误差公式，并与常规的情形作了比较。
17. The sir-port reflectometer circuit for testing RCS and some experimental results are also presented.
    同时对六端口反射计测量RCS的实验结果进行了讨论。
18. The quantitative error analysis using this method for a multi-port reflectometer is given also.
    另外，本文利用该方法完成了对多端口反射计的误差分析，得到定量分析结果。
19. The implementation of millimeter-wave reflectometer test system using microwave network analyzer is developed and described in this paper. The theory and technique of system calibration and Eror correction is discussed. Some measurement results are given.
    介绍了用微波网络分析仪组成的毫米波反射计测试系统，以及系统校准，误差修正的理论和技术，并给出了实际系统的测量结果。
20. In this paper, a method of calculating the parameters and dynamic ranges as well as measurement errors of a six-port reflectometer is studied.
    本文提出了六端口反射计参数及检波功率动态范围的计算方法。发展了六端口反射计测量误差的分析方法。
21. Electromagnetic pulses are applied to the sensor and the reflections are recorded with a time domain reflectometer.
    在传感器上施加电磁脉冲，通过时间域反射计记录反射数据。
22. In this paper, a method of measuring the scattering parameters of two-port networks by a single six-port reflectometer is studied.
    本文提出了一种用单六端口反射计测试可逆与不可逆二端口网络散射参数的方法。
23. A new circuit is given for measuring scattering parameters of any two-port microwave network by means of a single six-port reflectometer. Based on the wave superposition theory and the theory of equivalent circuit, a new method of calibration and measurement is described.
    本文提出了用单六端口反射仪测量双口微波网络散射参量的一种改进电路，并用波叠加原理和等效电路原理提出了校准和测量方法。
24. In this paper are given the calibration circuits and calibration equations of the circuit constants of the microwave six-Port reflectometer and vector voltmeter.
    文中给出了微波六端口反射计及矢量电压表电路常数的校准电路与校准方程。对H。
25. 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.
    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。
26. 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。

noun

1. a meter that measures the reflectance of a surface