Author Affiliations
1School of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, Sichuan , China2Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu 610225, Sichuan , China3Chengdu Meteorological Service, Chengdu 611130, Sichuan , Chinashow less
Fig. 1. Number of samples and correlation coefficient of wind speed at different altitudes between wind profiler radar and L-band sounding radar at 00∶00, the red dot fails the α=0.05 significance test. (a) All samples; (b) no precipitation samples; (c) precipitation samples
Fig. 2. Number of samples and correlation coefficient of wind speed at different altitudes between wind profiler radar and L-band sounding radar at 12∶00, the red dot fails the α=0.05 significance test. (a) All samples; (b) no precipitation samples; (c) precipitation samples
Fig. 3. Horizontal wind speed error of wind profiler radar to L-band sounding radar at different altitudes. (a) Average error at 00∶00 ; (b) average error at 12∶00; (c) root mean square error at 00∶00; (d) root mean square error at 12∶00; (e) relative error at 00∶00; (f) relative error at 12∶00
Fig. 4. Effective sample rate of horizontal wind speed of wind profiler radar at different altitudes. (a) 00∶00; (b) 12∶00
Fig. 5. Effective sample rate of horizontal wind direction of wind profiler radar at different altitudes. (a) 00∶00; (b) 12∶00
Fig. 6. Correlation graphs of the profile of wind profile radar and the profile retrieved by the sounding radar under different atmospheric stability conditions. (a) Extremely unstable atmosphere; (b) moderately unstable atmosphere; (c) weakly unstable atmosphere; (d) neutral atmosphere; (e) weakly stable atmosphere; (f) moderately stable atmosphere
Working frequency | Tilt beam inclination | Emission wavelength | Pulse width | Beam width | Minimum detection height | Maximum detection height |
---|
1270‒1375 MHz | 16.4° | 232 mm | 0.4×10-6 s | 3° | 100 m | 5550 m |
|
Table 1. Main parameters of L-band wind profiler radar in Pidu
Working frequency | Pulse power | Pulse front | Pulse width | Minimum detection height | Maximum detection height |
---|
1669‒1681 MHz | ≥2.5 kW | ≤0.12×10-6 s | 0.8×10-6 s | 0 m | 5550‒30000 m |
|
Table 2. Main parameters of L-band sounding radar in Wenjiang