Cheng Yin, Liu Jianguo, Gui Huaqiao, Lu Yihuai, Wei Xiuli. Remote measuring system of road surface temperature based on dual window infrared detector[J]. Infrared and Laser Engineering, 2020, 49(6): 20190455
- Infrared and Laser Engineering
- Vol. 49, Issue 6, 20190455 (2020)
Fig. 1. Schematics diagram of the system
Fig. 2. Infrared radiation measurement unit
Fig. 3. Transmittance curve of filter. (a) Detector 1 filter; (b) Detector 2 filter; (c) Window filter
Fig. 4. Calibration experiment of internal radiation equivalent blackbody temperature measurement
Fig. 5. Detector response curves at different working temperatures
(a) Detector 1; (b) Detector 2
不同工作温度
下探测器的响应曲线 。（a）探测器 1；（b）探测器 2
Fig. 6. Working temperature correction function curve fb 1(Tb ) of detector 1
探测器 1工作温度修正函数曲线
Fig. 7. Radiation calibration of target temperature
Fig. 8. Calibration results of the target temperature
Fig. 9. Results of the designed system compared to the Pt100 sensor in the outfield. (a) Measurement results; (b)Correlation
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Table 1. Relation between the measured signal and blackbody temperature of detector 1 at 6 working temperatures
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