Metrology & Measurement Technology, Volume. 45, Issue 3, 123(2025)
Research on the calibration methods for coherent Doppler wind lidar
Figures & Tables(10)
Fig. 2. Diagram of calibrating wind speed with a standard turntable
Fig. 4. Relationship between CRLB of wind speed measurement error and SNR of coherent Doppler wind lidar
Table 1.
Calibration items and classification of coherent Doppler wind Lidar View tableView in ArticleTable 1.
Calibration items and classification of coherent Doppler wind Lidar 类别 校准项目 风速 径向风速测量示值误差 径向风速测量范围 水平风速测量示值误差 水平风速测量范围 垂直风速测量示值误差 垂直风速测量范围 风向 风向测量示值误差 水平风向测量误差 风向分辨力 量程（距离测量范围） 最大测量距离 测量盲区 空间分辨 径向距离分辨力 角度分辨力 时间分辨 径向测量时间分辨力 扫描参数 俯仰角范围 俯仰角示值误差 方位角范围 方位角示值误差 扫描速度
Table 2.
Calibration result of wind speed by using the calibration turntable View tableView in ArticleTable 2.
Calibration result of wind speed by using the calibration turntable n / (r / min) v0 / (m / s) v1 / (m / s) v2 / (m / s) v3 / (m / s) v4 / (m / s) v5 / (m / s) 200 3.14 2.91 2.94 2.94 2.94 2.94 400 6.28 6.12 6.16 6.13 5.62 5.97 600 9.42 9.59 9.39 9.17 9.03 9.20 800 12.56 12.17 12.14 12.29 12.11 12.18 1 000 15.70 15.24 14.99 14.91 15.09 15.00 1 200 18.84 18.18 17.69 17.14 17.77 17.53 1 400 21.98 21.27 20.67 21.09 21.17 20.98 1 600 25.12 24.22 23.52 24.04 24.67 24.08 1 800 28.26 27.24 27.06 27.05 26.74 26.95 2 000 31.40 30.29 29.51 30.23 30.21 29.98 2 200 34.54 33.28 32.90 32.45 32.79 32.71 2 400 37.68 36.29 35.63 36.26 35.94 35.94 2 600 40.82 39.28 39.11 39.05 39.09 39.08 2 800 43.96 42.34 42.16 42.53 42.36 42.35
Table 3.
Calibration result of wind speed with the radio frequency signal analog Doppler shift View tableView in ArticleTable 3.
Calibration result of wind speed with the radio frequency signal analog Doppler shift f / MHz vs / (m / s) Δv / (m / s) -50 -41.13 -41.20 0.07 -30 -24.68 -24.76 0.08 -10 -8.23 -8.30 0.07 10 8.23 8.23 0.00 30 24.68 24.75 0.07 50 41.13 41.20 0.07
Table 4.
Wind direction calibration results in wind View tableView in ArticleTable 4.
Wind direction calibration results in wind h = 80 m位置 h = 140 m位置 h = 180 m位置 θ0 θlidar θ0 θlidar θ0 θlidar 78.4 83.1 75.9 79.8 77.6 80.4 78.1 83.9 75.5 80.4 77.5 80.5 78.6 83.6 76.3 80.5 76.8 81.1 78.8 83.9 76.5 80.9 77.3 80.6 79.6 83.5 75.4 80.7 77.9 81.3 Δθ = 4.9 Δθ = 5.5 Δθ = 3.4
Tools
Get Citation
Copy Citation Text
Chaoyong CHEN, Yuanyuan WEI, Shuai XING, Zikang TONG, Tengfei WU. Research on the calibration methods for coherent Doppler wind lidar[J]. Metrology & Measurement Technology, 2025, 45(3): 123
Paper Information
Category: Metrology，Measurement and Calibration
Received: Apr. 7, 2025
Accepted: --
Published Online: Jul. 31, 2025
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20