Volume 48 Issue 12
Dec.  2019
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Article Navigation >  Infrared and Laser Engineering  > 2019  >  48(12): 1203006-1203006(6)

Chen Shuangyuan, Wang Feixiang, Xu Fangyu, Guo Jie, Xiao Jianguo, Jia Yuchao, Xu Zhi, Zhao Zhijun, Wang Yuanfangzhou. Measurement and error analysis of the atmospheric transmissivity in M' band based on radiative transfer[J]. Infrared and Laser Engineering, 2019, 48(12): 1203006-1203006(6). doi: 10.3788/IRLA201948.1203006
Citation: Chen Shuangyuan, Wang Feixiang, Xu Fangyu, Guo Jie, Xiao Jianguo, Jia Yuchao, Xu Zhi, Zhao Zhijun, Wang Yuanfangzhou. Measurement and error analysis of the atmospheric transmissivity in M' band based on radiative transfer[J]. Infrared and Laser Engineering, 2019, 48(12): 1203006-1203006(6). doi: 10.3788/IRLA201948.1203006
shu

Measurement and error analysis of the atmospheric transmissivity in M' band based on radiative transfer

doi: 10.3788/IRLA201948.1203006
  • 1.

    Astronomical Opto-electronic Laboratory,Yunnan Astronomical Observatories,Chinese Academy of Sciences,Kunming 650216,China;

  • 2.

    Operation and Development Center of FAST Engineering,National Astronomical Observatories,Chinese Academy of Sciences,Pingtang 558300,China;

  • 3.

    Yunnan Key Laboratory of Optic-electronic Information Technology,Yunnan Normal University,Kunming 650500,China;

  • 4.

    Yunnan KIRO-CH Photonics Co. Ltd,Kunming 650217,China;

  • 5.

    School of Physics,Henan Normal University,Xinxiang 453007,China

  • Received Date: 2019-08-05
  • Rev Recd Date: 2019-09-15
  • Publish Date: 2019-12-25
  • The atmospheric infrared radiance was measured at Ali, Delingha and Huairou observing station using a self-made measurement system in the infrared M'(4.605-4.755 m) band. Based on the blackbody calibration and the radiative transfer equation, a simplified relation between the effective output value, the average zenith atmospheric transmissivity and the zenith angles can be obtained. Atmospheric infrared radiation of different zenith angles at three Astronomical Station were measured and scanned, and the above formula was used to fit the average atmospheric transmissivity of the M'band. The measurement results show that the weighted average values of the atmospheric transmissivity in the three places are 0.805, 0.758 and 0.650 respectively, with the fluctuations of 0.081, 0.250, and 0.073 respectively. The average transmissivity simulated by MODTRAN software was respectively 0.851, 0.805, 0.615, which was close to the results from the measurement. The error analysis shows that the propagation error decreases with the increasing effective output value. The theoretical error of indirect measurement method was analyzed to be less than 10%. This paper provided a on-site and real-time measuring method of the atmospheric infrared transmissivity independent of meteorological data.
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    [5] Feng Quanquan, Zhan Jie, Liu Qing, et al. Study on measurement technology of total atmospheric transmittance at night[J]. Infrared and Laser Engineering, 2017, 46(6):0617005. (in Chinese)冯全全, 詹杰, 刘庆, 等. 夜间整层大气透过率测量技术研究[J]. 红外与激光工程, 2017, 46(6):0617005.
    [6] Wu Qingchuan, Huang Yinbo, Tan Tu, et al. High-resolution atmospheric transmission measurement with a laser heterodyne radiometer[J]. Spectroscopy and Spectral Analysis, 2017, 37(6):1678-1682. (in Chinese)吴庆川, 黄印博, 谈图, 等. 基于激光外差技术的高分辨率整层大气透过率测量[J]. 光谱学与光谱分析, 2017, 37(6):1678-1682.
    [7] Wei Heli, Chen Xiuhong, Dai Congming, et al. Ground-based measurements of infrared atmospheric background spectral radiances[J]. Infrared and Laser Engineering, 2012, 41(2):284-290. (in Chinese)魏合理, 陈秀红, 戴聪明, 等. 地基大气背景红外光谱辐射特性测量[J], 红外与激光工程, 2012, 41(2):284-290.
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    [9] Zhao Zhijun, Xu Fangyu, Wei Chaoqun, et al. Study on measurement method of infrared total atmospheric transmittance[J]. Infrared Technology, 2018, 40(7):718-722. (in Chinese)赵志军,许方宇, 魏超群, 等. 红外整层大气透过率测量方法研究[J]. 红外技术, 2018, 40(7):718-722.
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Measurement and error analysis of the atmospheric transmissivity in M' band based on radiative transfer

doi: 10.3788/IRLA201948.1203006
  • 1. Astronomical Opto-electronic Laboratory,Yunnan Astronomical Observatories,Chinese Academy of Sciences,Kunming 650216,China;
  • 2. Operation and Development Center of FAST Engineering,National Astronomical Observatories,Chinese Academy of Sciences,Pingtang 558300,China;
  • 3. Yunnan Key Laboratory of Optic-electronic Information Technology,Yunnan Normal University,Kunming 650500,China;
  • 4. Yunnan KIRO-CH Photonics Co. Ltd,Kunming 650217,China;
  • 5. School of Physics,Henan Normal University,Xinxiang 453007,China
  • Received Date: 2019-08-05
  • Rev Recd Date: 2019-09-15
  • Publish Date: 2019-12-25

Abstract: The atmospheric infrared radiance was measured at Ali, Delingha and Huairou observing station using a self-made measurement system in the infrared M'(4.605-4.755 m) band. Based on the blackbody calibration and the radiative transfer equation, a simplified relation between the effective output value, the average zenith atmospheric transmissivity and the zenith angles can be obtained. Atmospheric infrared radiation of different zenith angles at three Astronomical Station were measured and scanned, and the above formula was used to fit the average atmospheric transmissivity of the M'band. The measurement results show that the weighted average values of the atmospheric transmissivity in the three places are 0.805, 0.758 and 0.650 respectively, with the fluctuations of 0.081, 0.250, and 0.073 respectively. The average transmissivity simulated by MODTRAN software was respectively 0.851, 0.805, 0.615, which was close to the results from the measurement. The error analysis shows that the propagation error decreases with the increasing effective output value. The theoretical error of indirect measurement method was analyzed to be less than 10%. This paper provided a on-site and real-time measuring method of the atmospheric infrared transmissivity independent of meteorological data.

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