Volume 3 Issue 4
Sep.  2010
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SUN Zhi-yuan, ZHU Wei, QIAO Yan-feng. Amendment of gray drift in infrared temperature measurement[J]. Chinese Optics, 2010, 3(4): 391-396.
Citation: SUN Zhi-yuan, ZHU Wei, QIAO Yan-feng. Amendment of gray drift in infrared temperature measurement[J]. Chinese Optics, 2010, 3(4): 391-396.

Amendment of gray drift in infrared temperature measurement

  • Received Date: 16 Apr 2010
  • Rev Recd Date: 26 Jun 2010
  • Publish Date: 25 Aug 2010
  • The surface temperature measurement of temperature target based on a medium wave infrared detector was researched theoretically and experimentally in this paper. The constitution and measurement principle of the system were introduced and a temperature measurement model for the infrared detector was established. The gray drift characteristics of the infrared detector in a calibration were analyzed, and the drift disciplinarians were summarized by four kinds of different experiments. Meanwhile, the drift compensation method was proposed based on the drift disciplinarians. Finally, a temperature measurement experiment was carried out, and the results show that the measurement error before and after drift compensations are 1.965 ℃ and 0.335 ℃, respectively, which indicates that the measurement precision has been improved in a great degree after the compensation.

     

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