1998•哈尔滨工业大学学报：英文版Requires access
The Theoretical Analysis of Multi-wavelength Pyrometer: Check and Autosearch for Emissivity General Expression
Sun Xiaogan
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Abstract
In general, the dependence of the logarithm of the emissivity upon wavelength is usually used in the treatment of data measured by multi-wavelength pyrometer. In this paper, the suitability of this expression for different materials has been examined. Further more, an effective method for automatically searching the mathematical model between emissivity and wavelength has been procsed. The calculated results show that the accuracy is improved by using this data treatment method.