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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。The quantitative error analysis using this method for a multi-port reflectometer is given also.

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.

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本文对多端口反射计的任意相位单位矢量五点校准法作了改进。An improved multi port reflectometer calibration method using five unit vectors with arbitrary phase is described.

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。Electromagnetic pulses are applied to the sensor and the reflections are recorded with a time domain reflectometer.

本文介绍一种用矩形波导型六端口反射计快速测量材料介质特性参数的测试系统。A rectangular waveguide type Six-port reflectometer worked in 8-12 GHz and coutrolled with a microcomputeris presented.

本文提出了一个用自动测量线的六端口技术，使校准网络参数的标准负载仅用一个。This paper advance a six-pore reflectometer of automatic slot line, only one standard load is on calibrating network parameter.

表面处理。铝和阳极氧化的铝合金。总反射率的测定。光电反射计法。Surface treatments. Anodized aluminium and aluminium alloys. Measurement of total reflectivity using a photoelectric reflectometer.

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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。The different combination design model simulation results can be the theoretical reference for the forepart design of neutron reflectometer.

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。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。The article introduced some survey techniques and problems worth of attention in diagnosing the nutrition of the cotton through reflectometer.

近红外检测小麦面粉中的蛋白质、水分和灰分等成分已成为国际公认的标准检测方法。Testing protein, moisture and ash contents etc in wheat flour with a near-infrared reflectometer has become a standard method known world widely.

该方法对传输信号而非反射信号的测量，克服了电缆线损耗引起的对交换反射计的使用限制。By measuring in transmission, rather than in reflection, it overcomes the limitation imposed by cable loss on the use of the switched reflectometer.

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与金属靶等离子体光源相比，由于使用了气体靶等离子体光源，该反射率计具有低碎屑、可长期连续运行等优点。In comparison with metal target LPP source, due to usage of gas-jet target LPP source, the reflectometer is debris-free and can continuously operate for a long time.

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。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.

本文提出一种基于功率方程概念的六端口反射计功率传递方法，并给出描述六端口多余度的新表达式。A six-port reflectometer power transfer method is presented based on the power equation concept. A new equation for characterizing the redundancy of the six-pott junction is also given.

对于各类多端口反射计的校准、测量和误差分析，均是一种十分有效的方法。This method can bee asily used for the sweep-frequency measurement and is valid for the calibration , measurement and error analysis of a multi-port reflectometer with amplitude response.

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.