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instruments:wind_lidar [2019/04/23 15:12] – [History] janinstruments:wind_lidar [2019/04/23 15:50] – [Specifications] jan
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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  | 80 x 53 x 40  |   | | Size / cm³  | 80 x 53 x 40  |   |
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 | 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]]   |
-| Year          | 2010 | | +| Year          | 2011 | | 
-| Instrument  | | [[http://halo-photonics.com/Halo%20Photonics%20Stream%20Line%20LiDAR%20system.htm|streamline ]] Instrument #17  |+| 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.txt · Last modified: 2021/10/01 21:32 by jan