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instruments:wind_lidar [2017/09/11 13:46]
jan [Doppler Lidar]
instruments:wind_lidar [2019/04/23 15:50] (current)
jan [Specifications]
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 ^  Period ​ ^  Place  ^  Project ​ ^ ^  Period ​ ^  Place  ^  Project ​ ^
 | 12.9.2012 -   ​today ​  | [[http://​www.fz-juelich.de/​|Research Center Jülich]], Germany | [[http://​www.tr32.de|TR32]] | | 12.9.2012 -   ​today ​  | [[http://​www.fz-juelich.de/​|Research Center Jülich]], Germany | [[http://​www.tr32.de|TR32]] |
-| 26.7.2012 - 31.8.2012 | [[https://​maps.google.de/​maps?​q=50.91275522340144N+6.30132085102542E|Engelsdorf]],​ Germany | [[http://​www.tr32.de|TR32]]-[[internal:​experiments:​patvap:Patvap]] | +| 26.7.2012 - 31.8.2012 | [[https://​maps.google.de/​maps?​q=50.91275522340144N+6.30132085102542E|Engelsdorf]],​ Germany | [[http://​www.tr32.de|TR32]]-[[internal:​experiments:​patvap]] | 
-| 7.11.2009 - 26.7.2012 | [[http://​www.fz-juelich.de/​|Research Center Jülich]], Germany | [[http://​www.tr32.de|TR32]] |+| 7.11.2011 - 26.7.2012 | [[http://​www.fz-juelich.de/​|Research Center Jülich]], Germany | [[http://​www.tr32.de|TR32]] |
  
  
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 ^ Parameter ​ ^ Specification ​ ^ Remark ​ ^ ^ Parameter ​ ^ Specification ​ ^ Remark ​ ^
 | Wavelength / nm  | 1500nm ​ |  | | Wavelength / nm  | 1500nm ​ |  |
-| Pulse energy / $\mu$J ​ | ~100  | see ARM handbook ​ |+| Pulse energy / $\mu$J ​ | ~100  | see [[http://​www.arm.gov/​publications/​tech_reports/​handbooks/​dl_handbook.pdf|ARM Doppler lidar handbook]]  |
 | Pulse width / ns (m)  | 150 (22.5) ​ | see ARM handbook ​ | | Pulse width / ns (m)  | 150 (22.5) ​ | see ARM handbook ​ |
-| Repetition Rates  / s  | 1/​15000 ​ | i.e. 15000 laser pulses per second ​ |+| Repetition Rates  / s  | 1/​15000 ​ | i.e. 15000 laser pulses per second ​(=Pulse repetition frequency PRF)  |
 |                        | 1.67     | avg.beam i.e. N_avg pulses averaged and processed => dead time=0.67s ​ | |                        | 1.67     | avg.beam i.e. N_avg pulses averaged and processed => dead time=0.67s ​ |
 |                        | 300      | Doppler Beam swing (DBS) with 3 beams ([azi,ele] = [0,​90],​[0,​75],​[90,​75]) ​ | |                        | 300      | Doppler Beam swing (DBS) with 3 beams ([azi,ele] = [0,​90],​[0,​75],​[90,​75]) ​ |
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 | Field-of-View / deg  | 360 x 90  | free alingment of the beam  | | Field-of-View / deg  | 360 x 90  | free alingment of the beam  |
 | maximum range / m | 9000  | adjustable, but restriced to sufficent backscatter (aerosol, cloud droplets or ice crystals) ​ | | maximum range / m | 9000  | adjustable, but restriced to sufficent backscatter (aerosol, cloud droplets or ice crystals) ​ |
-| velocity resolution / m/s | 0.0382 ​ | adjustable ​ | +| velocity resolution / ms$^{-1}$ ​| 0.0382 ​ | adjustable ​ | 
-| velocity precsision / ms$^{-1}$ ​ | < 0.20  | for SNR -17dB  | +| velocity precsision / ms$^{-1}$ ​ | < 0.20  | for SNR -17dB  | 
-| max velocity / m/s | 19.2  | = Nyquist Velocity (adjustable) ​ |+| max velocity / ms$^{-1}$ ​| 19.2  | = Nyquist Velocity (adjustable) ​ |
 | Aperture / mm  (area /​m$^2$) ​ | 75 (4.417e-3) ​ | see ARM handbook ​ | | Aperture / mm  (area /​m$^2$) ​ | 75 (4.417e-3) ​ | see ARM handbook ​ |
-| Size / cm³  | ~ 150 60 70  ​| ​estimated ​  |+| Size / cm³  | 80 53 40  ​| ​  |
 | Average Power consumption / W  | 140/250 [600]  | (wo/w Heating/​cooling) [The power supply shall provide 600W]  | | Average Power consumption / W  | 140/250 [600]  | (wo/w Heating/​cooling) [The power supply shall provide 600W]  |
 | Weight / kg   | 110  | with transport case  | | Weight / kg   | 110  | with transport case  |
 | Manufacturer ​ | | [[http://​halo-photonics.com/​|Halo Photonics]] ​  | | Manufacturer ​ | | [[http://​halo-photonics.com/​|Halo Photonics]] ​  |
-| Instrument ​ | | [[http://​halo-photonics.com/​Halo%20Photonics%20Stream%20Line%20LiDAR%20system.htm|streamline ​V4]] Instrument #17  |+| Year          | 2011 | | 
 +| Instrument ​ | | [[http://​halo-photonics.com/​Halo%20Photonics%20Stream%20Line%20LiDAR%20system.htm|streamline ]] Instrument #17, XR version in 2010, 15kHz PRF, 10km max range   |
  
  
  
  
instruments/wind_lidar.1505130380.txt.gz · Last modified: 2017/09/11 13:46 by jan