热像仪测量物体表面辐射率及误差分析

Surface Emissivity Measurement and Error Analysis Using Infrared Thermography

根据红外辐射理论 ,通过分析红外热成像仪辐射测量的基本原理 ,得到了计算被测表面辐射率的计算公式 ;讨论了影响热像仪测量误差的各种因素 ,给出了估计表面辐射率误差的计算公式。最后 。

Base on the theory of infrared radiation and the principles of temperature measurement using infrared thermography,the formulas calculating the apparent emissivity of target surface were presented.The error of emissivity measurement was discussed and appropriate formulas for error calculation were obtained.Some effective methods measuring the emissivity of target surface were introduced.