讨论了吸收器直径、风速和吸收表面发射率对平衡温度的影响。
The influence of the diameter of the absorber, wind speed and the emissivity of the absorber surface on the equilibrium temperature have been discussed.
辐射测温的主要问题是解决未知的或变化的表面发射率所引起的误差测量。
The main problem in radiation thermometry is how to minimize the measuring error resulting from unknown or variant surface emissivity.
目标的红外辐射强度是由目标表面温度和目标表面发射率两个因素决定的。
The IR radiation intensity of target depends on the temperature and the IR emissivity of it.
用单通道实现比色成像，可明显地降低物体表面发射率及其它因素对测温精度的影响。
Based on single channel double colour principle, it overcomes the interference of emissivity of object surface and other factors on temperature measuring precision.
在辐射平衡的情况下，考察了表面发射率和散射反照率对介质内辐射热流和温度场的影响。
Under the condition of radiative equilibrium, this paper examines the effects of surface emissivity and scattering albedo on radiative heat flux and temperature fields.
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.
通过理论计算推导出材料表面发射率随温度的变化趋势，结果表明，材料表面的发射率是随着温度的升高而降低。
Theoretical calculations of the emissivity of material surface were shown that the emissivity of material surface decreases with the temperature increases.
影响目标红外辐射亮度有两个因素：表面温度和发射率。
Temperature and surface emissivity are the two factors that determine the IR radiant intensity of an object.
三波长辐射温度计能消除发射率对测温的影响，尤其是对抛光表面的测温。
Three-wavelength pyrometer can eliminate the effect of emissivity in the radiation temperature measurement, for example, measuring the surface temperature of a polished metal.
基于物体表面法向发射率的特点，简化了热像仪测温的数学模型，得到了红外热像仪测温的计算公式。
Based on the normal emissivity characteristics of measured surface, the mathematical model is simplified, and the formula of temperature measurement using infrared imager is obtained.
野外测量的大气环境、目标背景和地物的热力学特性等因素的影响，使得野外测量地物目标表面光谱发射率变得较为复杂。
Field atmospheric conditions, the environmental background of target and the target's thermodynamic properties will make it difficult to collect target's spectral emissivity in field.
利用双向反射分布函数测量系统，通过对物体表面双向反射分布的测量来获得其方向发射率。
The directional emissivity is deduced from the Bidirectional Reflectance Distribution Function (BRDF) in the hemispherical scattering space of the objects.
利用化学镀镍工艺制备空心微珠基红外低发射率材料，对其表面形貌，并重点对其吸收率、发射率和热辐射能等红外性能进行表征。
Low infrared emissivity materials based on hollow particles are prepared by chemical Ni-coated processing, and surface morphology, absorbance, emissivity and infrared radiant energy are characterized.
同时，添加剂的加入降低了微粒的表面活性，使低发射率粉体能更均匀地分散在基体聚合物中。
Simultaneously, due to the addition of the additives, the invention reduces the surface activity of particles, so that the low-emissivity powder can be dispersed in the matrix polymer more uniformly.
用它不仅可以在线测量表面的全热流，而且还可同时测出被测表面的真实温度和发射率。
It can be used not only for the on-line measurement of total heat flow but also for the simultaneous measurements of true temperature and emissivity.
研究了表面镀金膜的K424合金在热处理前后红外发射率的变化和变化机制。
The change and its mechanism of the infrared emissivity of superalloy K424 with deposited Au film before and after heat treatment were investigated.
本文报道利用红外分光光度计和微机系统，采用二次测量技术，测量材料表面法向光谱发射率的基本原理和测试方法。
The experimental principle and the method to measure the normal spectral emittance of materials by infrared spectrophotometer and microcomputer system are presented.
在研究物体的辐射特性时，需要用到物体表面的发射率等物性参数作为输入参数。
The study of the radiation characteristics of an object requires several physical property parameters of the object, including its emissivity.
在研究物体的辐射特性时，需要用到物体表面的发射率等物性参数作为输入参数。
The study of the radiation characteristics of an object requires several physical property parameters of the object, including its emissivity.
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