Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 1, 1(2023)

Inversion methods of slant turbulence parameters based on coherent Doppler lidar

CHEN Xiaomin1, ZHANG Hongwei1, SUN Kangwen1, and WU Songhua1,2、*
Author Affiliations
  • 1College of Marine Technology, Faculty of Information Science and Engineering, Ocean University of China,Qingdao 266100, China
  • 2Laboratory for Regional Oceanography and Numerical Modeling, Pilot National Laboratory forMarine Science and Technology, Qingdao 266237, China
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    Figures & Tables(11)
    Flow chart of algorithm
    Mean radial velocity (a) and radial velocity fluctuation (b) of wind field at 01:41:17 on 15 December 2018
    Structure function estimation of turbulence at 210 m from the lidar at 01:44:28 on 15 December 2018
    Schematic diagram for glide path scanning mode of lidar
    Distribution of radial wind velocity during 01:38―01:50 on 15 December 2018
    Spatiotemporal distributions of ε1/3 during 01:38―01:50 on 15 December 2018
    Distribution of the radial wind velocity during 02:22―02:35 on 15 December 2018
    Spatiotemporal distributions of ε1/3 during 02:22―02:35 on 15 December 2018
    Headwind profile (a) and spatiotemporal distributions of ε1/3 (b) at 01:42:53, headwind profile (c) and spatiotemporal distributions of ε1/3 (d) at 02:30:51 on 15 December 2018
    Comparison of ε1/3 and I1/3 during 01:38―01:50 (a) and 02:18―02:38 (b) on 15 December 2018
    • Table 1. Technical specifications of Wind3D 6000-AP coherent wind lidar

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      Table 1. Technical specifications of Wind3D 6000-AP coherent wind lidar

      System parametersValue or rangeMeasurement parametersValue or range
      Wavelength/nm1550Radial velocity measurement range/(m·s-1)-37.5~37.5
      Power consumption/W< 300Speed measurement uncertainty/(m·s-1)≤ 0.1
      Pulse energy/μJ160Measurement range/m40~6000

      Pulse width/ns

      Temporal resolution/s

      100(100~200, adjustable)

      80

      Range resolution/m

      Wind direction accuracy/(°)

      15(15~30, adjustable)

      ≤ 5

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    Xiaomin CHEN, Hongwei ZHANG, Kangwen SUN, Songhua WU. Inversion methods of slant turbulence parameters based on coherent Doppler lidar[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(1): 1

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    Paper Information

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    Received: Apr. 30, 2021

    Accepted: --

    Published Online: Apr. 17, 2023

    The Author Email: Songhua WU (wush@ouc.edu.cn)

    DOI:10.3969/j.issn.1673-6141.2023.01.001

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