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.
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.
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.
传输型六端口反射计是一种结构较简单、性能价格比较优良的微波测量装置。
Microwave transmission line type six-port reflector is a microwave measurement apparatus with simpler structure and better price performance.
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.
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.
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.
根据多端口反射计响应方程的对称性，本文提出用同一求解过程确定两个系统复常数。
On the basis of the symmetry of response equation of a multi port reflectometer, the two complex constants of system are determined by using the same procedure.
为了使五端口波导网络能较好地工作于六端口反射计中，要求各端口反射系数的绝对值小于0。
For the five-port waveguide junction properly to be used in a six-port reflectometer, needing the reflection coefficient looking into anyone port is less than 0.
为了使五端口波导网络能较好地工作于六端口反射计中，要求各端口反射系数的绝对值小于0.1。
For the five-port waveguide junction properly works in a six-port reflectometer, the absolute value of the reflection coefficient of every port must be less than 0.1.
结果：生物组织介电常数的测量，利用模拟六端口反射计测试系统是可以满足要求的，结果具有实际意义。
It is satisfaction of using measure system of simulation six-port reflectometer to measure the biology tissues, its results has actual meaning.
阐述了光纤陀螺中光纤环的的作用和绕制技术，介绍了布里渊光时域反射计（BOTDR）的工作原理和性能。
The winding technology of fiber coil used in fiber optic gyroscope was demonstrated. The principle and application of Brillouin Optical Time Domain Reflectometer (BOTDR) were introduced.
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.
之后激光高度计将参照光速，计算出反射脉冲的渡越时间，从而获得飞船与月球表面之间的距离。
From the return pulse, LOLA determines the time of flight which, accounting for the speed of light, reveals the distance from the spacecraft to the lunar surface.
月球探测器上的激光高度计(LOLA)的工作原理为：发射一束激光脉冲，利用光学镜片将其分为五道光线，当光线到达月球表面后会自动反射至激光高度计上。
The lunar Orbiter laser Altimeter (LOLA) works by sending a laser pulse through an optical lense that splits it into five beams that are each scattered back after they strike the lunar surface.
2000年8月26日，美国国家航空航天局(NASA)的Terra卫星上的高级星载热能发射反射辐射计(aster)拍到这张奥斯陆峡湾和奥斯陆市周围的伪色图像。
On August 26, 2000, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured this false-color image of Oslofjorden and the nearby city of Oslo.
镜面反射式高温计具有能减少被测表面发射率影响的优点，但它的连续工作时间短，限制了应用。
The specular reflection pyrometer has the advantages of decrease the influence of surface emissivity on temperature measurement, but the short continuous working duration limits its application.
为利用观察点处实测声频谱来预估实际声源自由场频谱特性，必须适当地计及地面反射和衰减效应的影响。
The ground reflection and attenuation must be properly accounted for in order to use the source spectrum measured at the site of the observer to predict the actual source spectrum in the free field.
借助平行光和双面反射镜，对分光计望远镜的视场角进行了分析和测量，并通过实验得出了结果。
With the help of the ray of equal rank and double-faced reflector, the telescopic visual angle of the spectrometer was analyzed and measured. And the conclusion was drawn.
OCO将用三个高分辨率分光计来尝试这一工作。分光计在精确的波长下研究反射出地球的太阳光，这一波长揭示二氧化碳及分子氧的存在。
OCO will attempt the work by using three high-resolution spectrometers to study sunlight reflected off Earth at the precise wavelengths that reveal the presence of carbon dioxide and molecular oxygen.
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.
基于该方法成功研制了一台六通道分光偏振计 ，并从空中获得了地面不同目标反射光偏振态的遥测数据。
The paper reports a method and a spectropolarimeter for determining the polarization state of an emitted or reflected light in terms of its Stokes parameters.
光度计是专门用于测量发射，反射或透射光的光通量，亮度，照度或发光强度等。
Photometers are specifically designed to measure emitted, reflected or transmitted light in photometric terms of luminous flux, luminance, illuminance or luminous intensity.
本论文在第二部分从不同方面详细介绍了反射式光强调制型光纤加速度计的基础理论，并由此提出了一种新型的加速度计测量方案。
In second part of this paper, base theory of the fiber optic accelerometer is presented in details, according to the principle of reflective intensity modulations new experimental scheme is described.
本文介绍电校准辐射计的锥腔形黑涂层反射比的测量原理、装置、方法以及测量结果。
This paper describes the principle, equipments, method and results in the measurement of reflectance of black coating in the electrically calibrated conical cavity radiometer.
本文简介了试剂载体的基本结构和反射光度计的测量原理。
This paper briefly introduces the basic structure of the reagent carriers and the principle of the reflectance photometry.
传感反射以加速度计、振动陀螺仪、力传感器获得的信息为依据，通过上体姿态控制、ZMP控制和落地时间控制实现传感反射控制。
It describes actualization of a sensory reflex, which consists of a body posture control, an ZMP control and a landing time control.
本文给出了辐射计的衍射损失，黑度修正及反射率修正，实际测量结果比计算结果大0.19%。
The diffraction loss, blackness correction and reflectance correction of the radiometer are given in this paper. The measurement result is 0 19% larger than the calculated result.
测量中使用了红外辐射计，并用圆柱形镜反射腔获得温度同地物相同的黑体辐射，并由已知比辐射率的参考板标定环境辐射。
Measurements can be made with an infrared radiometer. Blackbody radiation at the same temperature of the object is obtained using a cylindrical direct reflection cavity.
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