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.
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。
It also shows that the peak value of the emissivity is sometimes far away from the normal direction.
同时也发现，它的发射率峰值有时在远离法线的区域。
It also shows that the peak value of the emissivity is sometimes far away from the normal direction.
同时也发现，它的发射率峰值有时在远离法线的区域。
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