| 基于双响应波段工作的红外热像仪测温原理与误差分析 |
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| 引用本文： | 张波,吕事桂.基于双响应波段工作的红外热像仪测温原理与误差分析[J].宇航计测技术,2010,30(6):11-15. |
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| 作者姓名： | 张波 吕事桂 |
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| 作者单位： | [1]海军装备部,大同037036 [2]海军工程大学,武汉430033 |
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| 摘 要： | 为了提高红外热像仪测温的准确性,根据红外辐射理论,从红外热像仪的测温原理出发,分析了基于双响应工作波段的热像仪的测温原理,得出了目标物体的发射率、物体温度计算公式以及相应误差的估算公式,分析了各影响因素对热像仪测量准确度的影响,提供了一种目标物体发射率的测定方法,对利用红外热像仪准确测量内燃机等热能机械表面温度具有重要的意义。
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| 关 键 词： | 红外热像仪 辐射测温 误差分析 发射率 |
Temperature Measurement of the Thermal Infrared Imager Based on Two Response Working Wavebands and Its Error Analysis |
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| ZHANG Bo,L Shi-gui.Temperature Measurement of the Thermal Infrared Imager Based on Two Response Working Wavebands and Its Error Analysis[J].Journal of Astronautic Metrology and Measurement,2010,30(6):11-15. |
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| Authors: | ZHANG Bo L Shi-gui |
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| Institution: | ZHANG Bo,L(U) Shi-gui |
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| Abstract: | The thermography principle of thermal infrared imager with two response working wavebands is analysed based on the theory of infrared radiation and of the infrared thermography in order to improve the accuracy of the thermal infrared imager. The object emissivity, temperature calculation formulas and corresponding estimation errors are given. And the influencing factors of thermal infrared imager measurement are analysed and also one measurement method of object emissivity is supplied, and it＇ s important to test the surface temperature of diesel engine through the thermal infrared imager. |
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| Keywords: | Thermal infrared imager Radiation thermometry Error analysis Emissivity |
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