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Research on on-Board Calibration System of Tiangong-2 Wide-Band Imaging Spectrometer

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Proceedings of the Tiangong-2 Remote Sensing Application Conference

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 541))

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Abstract

With the increasing requirements for quantification of in-orbit data products, the research of high-precision calibration system is of vital importance. Based on the research background of Tiangong-2 (TG-2) Wide-band imaging spectrometer payload, a complete scheme of full detection band radiometric and VNIR spectral calibration is proposed in this paper. A full FOV and aperture calibrator with internal reference radiation sources is designed, which consists of pointing mirror, halogen lamp with Pr-Nd glass and surface blackbody, and calibrates by rotating the mirror to point to the lamp and blackbody. The results of in-orbit calibration show that the scheme is reasonable and the calibration accuracy meets the requirements.

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References

  1. Hongbo, W.: Research on In-orbit spectral calibration and polarization correction technology of visible/near-infrared push broom imaging spectrometer. Graduate School of Chinese Academy of Sciences (Shanghai Institute of Technical Physics) (2016)

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  2. Liang, Ma., Jun, Dian, Xiaoxian, Huang, et al.: Laboratory spectral calibration method of grating dispersive imaging spectrometer. Laser Optoelectron. Prog. 02, 198–202 (2013)

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Acknowledgements

Thanks to China Manned Space Engineering for providing Wide-band Imaging Spectrometer data products of Tiangong-2.

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Authors and Affiliations

  1. Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai, 200083, China

    Yuyu Tang, Jun Wei, Xiaoxian Huang & Xin Feng

  2. National Satellite Ocean Application Service, SOA, Beijing, 100081, China

    Qingjun Song

Authors
  1. Yuyu Tang
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  2. Jun Wei
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  3. Xiaoxian Huang
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  4. Xin Feng
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  5. Qingjun Song
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Corresponding author

Correspondence to Yuyu Tang .

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Editors and Affiliations

  1. Technology and Engineering Center for Space Utilization, CAS, Beijing, China

    Yidong Gu

  2. Technology and Engineering Center for Space Utilization, CAS, Beijing, China

    Ming Gao

  3. Technology and Engineering Center for Space Utilization, CAS, Beijing, China

    Guangheng Zhao

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© 2019 Springer Nature Singapore Pte Ltd.

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Cite this paper

Tang, Y., Wei, J., Huang, X., Feng, X., Song, Q. (2019). Research on on-Board Calibration System of Tiangong-2 Wide-Band Imaging Spectrometer. In: Gu, Y., Gao, M., Zhao, G. (eds) Proceedings of the Tiangong-2 Remote Sensing Application Conference. Lecture Notes in Electrical Engineering, vol 541. Springer, Singapore. https://doi.org/10.1007/978-981-13-3501-3_3

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  • DOI: https://doi.org/10.1007/978-981-13-3501-3_3

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-3500-6

  • Online ISBN: 978-981-13-3501-3

  • eBook Packages: EngineeringEngineering (R0)

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