Method and apparatus for true temperature determination

G - Physics – 01 – J

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G01J 5/60 (2006.01) G01J 5/00 (2006.01)

Patent

CA 2231166

A method of true temperature determination, including, (a) acquiring radiation emitted by an object at a plurality of wavelengths (50), (b) determining a characteristic of the acquired radiation which is based on a relationship between radiative emissions acquired at more than one wavelength (50), (c) determining a factor related to an error, using the characteristic (54) and calculating a current temperature of the object based on the correctional factor (56). Preferably, the factor is a vector of values indicating at least one emissivity value.

Procédé de mesure de la température réelle consistant: (a) à capter le rayonnement émis par un objet sur différentes longueurs d'ondes (50); (b) à déterminer une caractéristique du rayonnement capté en se basant sur la relation entre les émissions dans les différentes longueurs d'ondes (50); (c) à déterminer un facteur relatif à une erreur en utilisant ladite caractéristique (54) et en calculant la température actuelle de l'objet en tenant compte du facteur (56) correctif. Ledit facteur est de préférence un vecteur de valeurs correspondant à au moins une valeur de l'émissivité.

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