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emissivity measurement     
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  发射率的测量
     The experimental results show that the above mentioned method can solve the true temperature and spectral emissivity measurement of most engineering materials.
     实验结果表明 ,该方法可以解决绝大多数工程材料的目标真温及光谱发射率的测量
短句来源
     The new method presented here is a practical method for automatically recognizing the true temperature and spectral emissivities if it is not needed for on line data processing, and can solve the true temperature and spectral emissivity measurement of most engineering materials.
     新方法在不需要实时数据处理的场合 ,是一种自动辨识目标真温及光谱发射率的较实用的方法 ,可适用于大多数工程材料的目标真温及光谱发射率的测量问题
短句来源
  发射率的测量问
     The experimental results show that the above mentioned method can solve the true temperature and spectral emissivity measurement of most engineering materials.
     实验结果表明 ,该方法可以解决绝大多数工程材料的目标真温及光谱发射率的测量问
短句来源
  发射率较
     The experimental results show that the twice recognition method based on neural network technique can automatically recognize the true temperature and spectral emissivity, which is a practical method for simultaneously solving the true temperature and spectral emissivity measurement.
     实验结果表明 ,基于神经网络技术的二次辨识方法可以自动识别目标真温及光谱发射率 ,是一种同时获知目标真温及光谱发射率较实用的方法
短句来源
  “emissivity measurement”译为未确定词的双语例句
     Emissivity Measurement of Materials by Infrared Thermography
     利用红外热象仪测量材料的比辐射率
短句来源
     The Theory and Experiment of Emissivity Measurement on the Spot
     比辐射率现场测试方法的理论和实验研究
短句来源
     DEVELOPMENT OF SPECTRAL EMISSIVITY MEASUREMENT SYSTEM BASED ON FOURIER TRANSFORM INFRARED SPECTROMETER(FTIR)
     基于傅里叶红外光谱仪的光谱发射率测量装置的研制
短句来源
     The X-ray diffraction ( XRD) , UV-VIS-NIR spectrophotometer, and infrared emissivity measurement were used to characterize the film samples. The preparation conditions were optimized and the optical and photocatalytic properties of the multilayer films were investigated.
     利用X射线衍射、UV-VIS-NIR分光光度计、红外发射率测量仪等对样品进行表征,优化了制备薄膜的工艺条件。
     Based on the Kirchhoff law,a practical spectral emissivity measurement apparatus using laser diode InGaAsP as light source,using PbSe as detector and using 8031 micro-processor as processing center is presented.
     基于Kirchhoff定律 ,利用波长为 1.5 5 μm的半导体激光器InGaAsP作测量光源、以PbSe探测器作光电转换器件、以 80 3 1单片机为核心 ,设计了一种可实时测量光谱发射率的仪器。
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  emissivity measurement
Emissivity measurement for thermal insulating materials at low temperatures
      
This article reports the first comprehensive results obtained from a fully functional, recently established infrared spectral-emissivity measurement facility at the National Institute of Standards and Technology (NIST).
      
Emissivity measurement for a carbon-carbon composite and a phenolic carbon plastic
      
The idea of using "brightness temperature" is introduced into the emissivity measurement.
      
A fiber-based multicolor pyrometry setup for real-time, noncontact temperature and emissivity measurement.
      


A new on-line emissivity measurement is developed and put forward with its principle. It is used to measure the total radiant emissivities or emissivity of the heated surfaces of medium-thickness steel plates, rollers and billets etc. with good results. Using this method, two radiant pyrometers are required, one with a preceded reflecter and the other with a preceded absorber. Two voltage signal equations can be set up according to the readings indicated, and values of temprature and emissivity...

A new on-line emissivity measurement is developed and put forward with its principle. It is used to measure the total radiant emissivities or emissivity of the heated surfaces of medium-thickness steel plates, rollers and billets etc. with good results. Using this method, two radiant pyrometers are required, one with a preceded reflecter and the other with a preceded absorber. Two voltage signal equations can be set up according to the readings indicated, and values of temprature and emissivity are thus solved. A systematic error within 5% can be reached when the measured surface temprature over 400℃ and the emissivity measured above 0.6.

提出了一种新的在线黑度测量的原理及方法。应用该方法在线测量了中厚钢板、轧辊和钢坯等表面全发射率(黑度)。该法需要两台前置反射器辐射温度计,一台带反射器,另一台带吸收器。根据两台仪表的读数可以建立两个电压信号方程式,解这两个方程便可求得温度和黑度的值。当被测表面温度为400℃以上,黑度为0.6以上时,系统误差可在5%以内。

Emissivity is an important parameter in radiometry. In this paper, two methods for surface emissivity measurement using IR thermovision are discussed, and are advocated by the experimental results. Measurement principles are analysed, and calculating expressions are deduced.

比辐射率是辐射度学中的重要参量.本文介绍了利用红外热象仪测量比辐射率的两种方法、分析了测量原理、推导了计算公式.通过实验,证明此方法是行之有效的.

-An approach of emissivity measurement on the spot based on universal IR thermometry equation by the use of p normalized BRDF (RNBRDF) is presented in this paper, and it is shown that the theory has been verified by experiments.

以反射率归一化双向反射率分布函致为基础建立了红外测温普遍方程,并以此作为理论基础提出一种比辐射率现场测试方法。实验结果表明,理论与实践相符。

 
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