airborne laser terrain mapper - nymeals.nyme.hu/.../als/leirasok/optech_altm_2050.pdf · 2011. 2....
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ALTM 2050Airborne Laser Terrain Mapper
ALTM 2050
THE ULTIMATE IN PERFORMANCE
ALTM 2050 Spec i f i ca t ions
Airborne Module
Operating altitude 210 - 2,000 m nominal
Elevation accuracy 15 cm at 1,200 m; 25 cm at 2,000 m (1 sigma)
Range resolution 1 cm
Scan angle Variable from 0 to ± 20°
Swath width Variable from 0 to 0.72 x altitude
Scan frequency 0 - 70 Hz, depending on scan angle (e.g., 40 Hz at ± 20°)
Horizontal accuracy Better than 1/2,000 x altitude
Position Orientation System Applanix - Optech Custom
GPS receiver Novatel Millennium (optional Trimble 750)
Laser repetition rate 50 kHz
Data storage Removable hard drive (optional digital 8 mm data tape)
Beam divergence Dual: 0.2 mrad (1/e) or 1.0mrad (1/e)
Laser classification Class IV (FDA CFR 21)
Eyesafe range (unaided) 210 m @ 1.0 mrad, 760 m @ 0.2 mrad nominal
Power requirements 28 VDC, 26 A average, 35 A peak
Operating temperature 10 - 35° C
Humidity 0 - 95% non-condensing
Sensor
Fits standard camera mounts or mounts directly to floor
Overall dimensions/weight (in-flight) 25 W x 32 in flight direction
x 56 H cm/18 kg
Minimum opening 16.5 x 22.8 (flight direction) cm
Shipping case 67 x 64 x 82 cm @ 59 kg
Control Racks
Two, each in a stackable, vibration-isolated case
POS/Laser:
Dimensions/weight (in-flight) 59 W x 57 L x 40 H cm/42 kg
Shipping case 76 x 64 x 47 cm @ 65 kg
VME Computer:
Dimensions/weight (in-flight) 59 W x 44 L x 49 H cm/43 kg
including cables
Video output NTSC or PAL (annotated video out)
Shipping case 70 x 64 x 56 cm @ 56 kg
Processing Software
REALM Survey Suite Differential kinematic GPS solution
Trajectory optimization from multiple base-stations
XYZ point calculations module
Vegetation removal feature extraction/classification
Windows NT/2000 compatible
GPS Ground Support
Multiple base stations Sercel NR103T, Trimble 4000/7400, Ashtech Z12 or other Rinex 2.0 compliant device
Available Option
Digital camera Integrated metric digital 4k x 4k frame camera
Specifications subject to change without notice.
The ALTM 2050 gathers 50,000 postings per second at altitudes of up to 2,000 meters.
100 Wi ldca t Road • Toron to , ON • Canada M3J 2Z9
Te l : [416] 661-5904 • Fax: [416] 661-4168
Web: www.optech.on.ca • Emai l : sa [email protected]
Image: Don Valley Parkway,
Toronto, Ontario
© Copyright 2002, Optech Incorporated. All rights reserved.