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Acta Optica Sinica, Volume. 39, Issue 5, 0501003(2019)

Reconstruction of Tomography Image of Chimney Plume from Power Plant

Mingyu Zhong1,2,3, Liang Xi1,2, Fuqi Si1、*, Haijin Zhou1, and Yu Wang1
Author Affiliations
  • 1 Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 University of Science and Technology of China, Hefei, Anhui 230031, China
  • 3 College of Electrical and Information Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(8)
    Ground based IDOAS. (a) Principle diagram of measuring; (b) Schematic of CCD imaging

    Fig. 1. Ground based IDOAS. (a) Principle diagram of measuring; (b) Schematic of CCD imaging

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    Ground based IDOAS tomographic system

    Fig. 2. Ground based IDOAS tomographic system

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    Gaussian model and reconstructed images by SCA. (a)(c)(e) Original test images; (b)(d)(f) reconstructed images by SCA

    Fig. 3. Gaussian model and reconstructed images by SCA. (a)(c)(e) Original test images; (b)(d)(f) reconstructed images by SCA

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    Relationship between error coefficient and nearness

    Fig. 4. Relationship between error coefficient and nearness

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    Example of SO2 column densityfrom IDOAS fitting and retrieval. (a) Measured and calculated spectra of SO2; (b) fitting residual

    Fig. 5. Example of SO2 column densityfrom IDOAS fitting and retrieval. (a) Measured and calculated spectra of SO2; (b) fitting residual

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    Reconstructed image of SO2 distribution of chimney plume

    Fig. 6. Reconstructed image of SO2 distribution of chimney plume

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    Comparison between measured path integrated density and reconstructed path integrated density. (a) IDOAS #1; (b) IDOAS #2

    Fig. 7. Comparison between measured path integrated density and reconstructed path integrated density. (a) IDOAS #1; (b) IDOAS #2

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    • Table 1. System parameters

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      Table 1. System parameters

      Technical parameterTechnical index
      Spectral range /nm300-410
      Field of view /(°)30
      Spectral resolution /nm0.5
      Angular resolution /mrad5
      Horizontal rotation range /(°)0-360
      Vertical rotation range /(°)±60
      Weight /kg<25
      Single integral time /s2
      Horizontal scanning step angle /(°)0.12
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    Mingyu Zhong, Liang Xi, Fuqi Si, Haijin Zhou, Yu Wang. Reconstruction of Tomography Image of Chimney Plume from Power Plant[J]. Acta Optica Sinica, 2019, 39(5): 0501003

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Oct. 31, 2018

    Accepted: Jan. 21, 2019

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0501003

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology