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作为近代非接触、快速辐射测温法的基本原理基础是普朗克定律。而实际物体的辐射出射度(Mλ)与普朗克公式描述的黑体辐射出射度(Mbλ)有关系式:式中:ελ是物体的光谱发射率。它不仅因被测目标不同而异,而且是物体所处温度、测量光谱波段、表面状态的函数。ελ的准确程度是辐
As a modern non-contact, rapid thermometry based on the principle of Planck’s law. The actual object radiation emission (Mλ) and the Planck formula described blackbody emission (Mbλ) has the relationship: Where: ελ is the object’s spectral emissivity. It not only varies with the target being tested but also is a function of the temperature at which the object is located, the band of the spectrum being measured, and the state of the surface. The accuracy of ελ is a radiance