Volume 3Issue 6
Dec. 2010
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SUN Zhi-yuan, WANG Jing, QIAO Yan-feng. Influence of environment on temperature measurement precision based on middle-wave IRFPA[J]. Chinese Optics, 2010, 3(6): 659-664.
Citation: SUN Zhi-yuan, WANG Jing, QIAO Yan-feng. Influence of environment on temperature measurement precision based on middle-wave IRFPA[J].Chinese Optics, 2010, 3(6): 659-664.

Influence of environment on temperature measurement precision based on middle-wave IRFPA

  • Received Date:15 Jul 2010
  • Rev Recd Date:16 Sep 2010
  • Publish Date:20 Dec 2010
  • In order to analysis the influences of environment radiation and atmosphere absorbing on the measurement precision, the infrared temperature measurement by using a middle-wavelength infrared detector is studied. Firstly, several environment radiations which influence the measurement precision of a middle-wave Infrared Focal Plane Array(IRFPA) are introduced, and the relation between the gray and the absorbed radiation of the infrared detector is deduced. Then the amending formulae of environment radiations are achieved. Using the blackbody as the measurement target, the measurement error are 3.56 ℃ and 0.27 ℃ before and after amendings, respectively, and the measurement precision is improved evidently. The results show that the amending formulae could modify the influences of environment radiation and atmosphere absorbing correctly.

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