• Acta Optica Sinica
  • Vol. 43, Issue 18, 1801003 (2023)
Dan Geng1、*, Wenyue Zhu2、3, Jinxian Peng1, Jinpeng Luo1, Chun Qing2、3, and Qiang Liu2、3、**
Author Affiliations
  • 1Unit 63611 of PLA, Korla841000, Xinjiang, China
  • 2Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui, China
  • 3Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, Anhui, China
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    DOI: 10.3788/AOS222130 Cite this Article Set citation alerts
    Dan Geng, Wenyue Zhu, Jinxian Peng, Jinpeng Luo, Chun Qing, Qiang Liu. Real-Time Estimation of Whole-Layer Atmospheric Optical Turbulence with Multi-Source Measurement Data[J]. Acta Optica Sinica, 2023, 43(18): 1801003 Copy Citation Text show less
    Sketch map of atmospheric measurement equipments
    Fig. 1. Sketch map of atmospheric measurement equipments
    Atmospheric boundary layer height (August 3-5, 2022)
    Fig. 2. Atmospheric boundary layer height (August 3-5, 2022)
    Estimated whole-layer Cn2 profile at different time (August 4, 2022). (a) 02:00; (b) 07:30; (c) 16:00
    Fig. 3. Estimated whole-layer Cn2 profile at different time (August 4, 2022). (a) 02:00; (b) 07:30; (c) 16:00
    Contrast of estimated r0 and measured r0 (August 3-5, 2022)
    Fig. 4. Contrast of estimated r0 and measured r0 (August 3-5, 2022)
    Deviation between estimated r0 and measured r0
    Fig. 5. Deviation between estimated r0 and measured r0
    Measured Cn2 on surface layer (August 3-5, 2022)
    Fig. 6. Measured Cn2 on surface layer (August 3-5, 2022)
    Contrast and deviation of estimated r0 in two layers, estimated r0 as a whole, and measured r0 (August 4, 2022). (a) Contrast; (b) deviation
    Fig. 7. Contrast and deviation of estimated r0 in two layers, estimated r0 as a whole, and measured r0 (August 4, 2022). (a) Contrast; (b) deviation
    ParameterData sourceMeasurement heightVertical resolutionTime resolution
    Temperature profileMicrowave radiometer2.5 m-10 km

    50 m(2.5 m-0.5 km)

    100 m(0.5-2 km)

    250 m(2-10 km)

    <3 min
    Radiosonde data10-25 km50 m12 h
    Pressure profileMeteorological sensor6 m<10 s
    Radiosonde data50 m-25 km50 m12 h
    Wind profileWind profile radar2.5 m-3 km100 m<3 min
    Radiosonde data3-25 km50 m12 h

    Refractive index structure constant

    Micro-thermal meter6 m<10 s
    Atmospheric coherence lengthAtmospheric coherence length monitor2.5 m<20 s
    Table 1. Raw data parameters of measurement equipments
    Atmospheric stratificationExponential decline model r0 versus measured r0
    RMSERxy
    Unstable2.9880.8346
    Near neutral6.858-0.5111
    Stable5.088-0.6236
    Table 2. Statistical analysis between estimated r0 and measured r0
    Dan Geng, Wenyue Zhu, Jinxian Peng, Jinpeng Luo, Chun Qing, Qiang Liu. Real-Time Estimation of Whole-Layer Atmospheric Optical Turbulence with Multi-Source Measurement Data[J]. Acta Optica Sinica, 2023, 43(18): 1801003
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