CIOMP OpenIR
Correction of temperature measurement accuracy affected by internal temperature rise in uncooled thermal imager
Zhang, Yan-Chao; Gao, Ce; Liu, Jian-Zhuo; Wang, Bo; Yang, Shuai
2018
发表期刊Chinese Optics
ISSN20951531
卷号11期号:4页码:669-676
摘要With the increase of the operating time of uncooled infrared thermal imager, the internal devices and mechanical structures accumulate more and more heat, and the thermal radiation caused by the temperature rise is bound to have serious effects on the accuracy of the thermal imager. Therefore, in order to achieve accurate temperature measurement of the thermal imager, it is necessary to correct the internal temperature influencing factors. This paper evaluates and models the three factors that affect the accuracy of temperature measurement: the barrel radiation temperature, the temperature of the target surface of the detector, and the cumulative working time of the thermal imager, and evaluates the relationship among them. Finally, the temperature measurement of the thermal imager is corrected according to the data model. The results show that under the laboratory conditions, the temperature accuracy of the uncooled infrared camera can be controlled within 1 , and its stability can be controlled within 0.5 . The corrected temperature is basically independent of the internal temperature rise, thus effectively improves the stability, repeatability, and accuracy of the temperature measurement of the uncooled thermal imager. 2018, China Science Publishing & Media LTD. All right reserved.
关键词Temperature measurement Image enhancement Radiation effects
DOI10.3788/CO.20181104.0669
收录类别EI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60601
专题中国科学院长春光学精密机械与物理研究所
推荐引用方式
GB/T 7714
Zhang, Yan-Chao,Gao, Ce,Liu, Jian-Zhuo,et al. Correction of temperature measurement accuracy affected by internal temperature rise in uncooled thermal imager[J]. Chinese Optics,2018,11(4):669-676.
APA Zhang, Yan-Chao,Gao, Ce,Liu, Jian-Zhuo,Wang, Bo,&Yang, Shuai.(2018).Correction of temperature measurement accuracy affected by internal temperature rise in uncooled thermal imager.Chinese Optics,11(4),669-676.
MLA Zhang, Yan-Chao,et al."Correction of temperature measurement accuracy affected by internal temperature rise in uncooled thermal imager".Chinese Optics 11.4(2018):669-676.
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