Infrared and Laser Engineering, Volume. 52, Issue 2, 20220412(2023)
Frequency tracking technology of direct wind lidar and observation of atmospheric wind field in troposphere and stratosphere
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Fig. 1. Principle diagram of double edge Doppler direct wind measurement
Fig. 2. Schematic diagram and physical drawing of Doppler direct wind lidar system
Fig. 3. Schematic diagram of Doppler direct wind lidar system structure
Fig. 4. (a) Optical path diagram and (b) three-dimensional structure diagram of receiver
Fig. 6. Flow chart of frequency tracking unit based on Fabry-Perot etalon
Fig. 8. Wind speed and direction detected by (a) day and (b) night
Fig. 9. Wind field profile and sounding balloon comparison profile on December 29, 2021
Fig. 10. Comparison of sounding profile and lidar data detection in different regions
Table 1. System detection index
View tableView in ArticleTable 1. System detection index
System parameters Value Wavelength/nm 532 Energy/mJ·pulse–1 800 Measuring range/km 5-35 Telescope diameter/mm 800 Wind velocity range/m·s–1 0-100 Wind speed detection error 1 m/s@5 km, 5 m/s@25 km Vertical resolution/m 300 Time resolution/min 20 Scanning range/(°) 360
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Zhiyuan Fang, Ming Zhao, Hao Yang, Kunming Xing, Bangxin Wang, Jianfeng Chen, Xu Deng, Liangliang Cheng, Chenbo Xie. Frequency tracking technology of direct wind lidar and observation of atmospheric wind field in troposphere and stratosphere[J]. Infrared and Laser Engineering, 2023, 52(2): 20220412
Paper Information
Category: Lasers & Laser optics
Received: Jun. 17, 2022
Accepted: --
Published Online: Mar. 13, 2023
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