Shuangyuan Chen, Fangyu Xu, Feixiang Wang, Xiaowei Yuan, Zhiyuan Luo, Ji Chen, Yongfang Luo. Measurement System and Error Analysis of Mid-Infrared Atmospheric Background Radiation[J]. Acta Optica Sinica, 2019, 39(3): 0301001
- Acta Optica Sinica
- Vol. 39, Issue 3, 0301001 (2019)
Fig. 1. Structural design drawing of refrigeration module in telescope
Fig. 2. Time-domain distribution of samples
Fig. 3. (a) Ambient temperature data and (b) temperature difference measured at Huairou observatory
Fig. 4. Time sequences of atmospheric background radiation intensity in three astronomical observatories
Fig. 5. Time sequence of atmospheric background radiation intensity in Delingha observatory
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Table 1. Parameters of mid-infrared detector
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Table 2. Characteristic parameters of common temperature blackbody
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Table 3. Relative error resulting from temperature control precision of blackbody
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Table 4. Data acquisition errors
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Table 5. Data processing errors
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Table 6. Estimation results of extrapolation errors
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