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RIEGL VQ-880-G II - 6 Pages

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RIEGL VQ-880-G II

Catalog excerpts

Topo-Hydrographic Airborne Laser Scanning System with Online Waveform Processing and Full Waveform Recording ••designed for combined topographic and hydrographic airborne survey ••green laser channel with up to 700kHz measurement rate ••IR laser channel with up to 900kHz measurement rate and improved ranging performance ••high accuracy ranging based on echo digitization and online waveform processing with multiple-target capability ••multiple-time-around processing for straightforward mission planning and operation ••concurrent full waveform output for all measurements for subsequent full waveform analysis ••high resolution due to high measurement rate ••integrated inertial navigation system ••fully integrated infrared laser scanner ••up to two integrated digital cameras ••NEW form factor with improved camera configuration and compatibility with stabilized mounting platforms Based on the proven topo-hydrographic airborne laser scanning system VQ-880-G, RIEGL now presents the new VQ-880-G II, which impresses with improved performance of the IR channel and offers a new form factor with enhanced camera configuration. The design of the system allows flexible application of the integrated, factory-calibrated high-end GNSS/IMU system and of up to two cameras to meet specific requirements. Complemented by a RIEGL data recorder, the VQ-880-G  LiDAR system can be installed on II various platforms in a straightforward way. The RIEGL VQ-880-G II carries out laser range measurements for high resolution surveying of underwater topography with a narrow, visible green laser beam, emitted from a powerful pulsed laser source. Subject to clarity, at this particular wavelength the laser beam penetrates water enabling measurement of submerged targets. The distance measurement is based on the time-of-flight measurement with very short laser pulses and subsequent echo digitization and online waveform processing. To handle target situations with most complex multiple echo signals, beside the online waveform processing the digitized echo waveforms can be stored on the RIEGL solid state data recorder for subsequent off-line waveform analysis. The laser beam is deflected in a circular scan pattern and hits the water surface at a nominally constant incidence angle. The VQ-880-G II comprises a high precision inertial measurement sensor for subsequent precise estimation of the instrument’s exact location and orientation. An infrared laser scanner is integrated to supplement the data gained by the green laser scanner. Up to two highresolution digital cameras provide RGB image data and/or IR image data. The rugged internal mechanical structure together with the dust- und splash water proof housing enables long-term operation on airborne platforms and is compatible with stabilizing mounts. Typical applications include ••coastline and shallow water mapping ••acquiring base data for flood prevention ••measurement for aggradation zones ••habitat mapping ••surveying for hydraulic engineering ••hydro-archeological-surveying

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RIEGL VQ-880-G II Scan Pattern transmitted laser pulse circular scan of green laser scanner line scan of infrared laser scanner received echo signal surface echo bottom echo bottom echo water surface seabed surface echo RIEGL VQ-880-G II Elements of Function and Operation mounting flange laser aperture 1064 nm channel laser aperture 532 nm channel connectors for power supply and data interface camera aperture 1 camera aperture 2 desiccant cartridges cooling air outlets carrying handles Copyright RIEGL Laser Measurement Systems GmbH © 2019– All rights reserved.

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RIEGL VQ-880-G II Main Dimensions RIEGL VQ-880-G Housing Preliminary Data Sheet Copyright RIEGL Laser Measurement Systems GmbH © 2019– All rights reserved.

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RIEGL VQ-880-G II Technical Data Export Classification The Topo-Hydrographic Airborne Laser Scanner VQ-880-G II has been designed and developed for commercial topographic, hydrographic and bathymetric surveying applications. Laser Product Classification Class 3B Laser Product according to IEC60825-1:2014 The VQ-880-G II is subject to export restrictions as set up by the Wassenaar Arrangement. It is classified as dual-use good according to position number 6A8j3 of the official Dual-Use-List to be found on site http://www.wassenaar.org. Within the European Union, Council Regulation (EC) No...

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RIEGL VQ-880-G II Technical Data GREEN LASER CHANNEL Range Measurement Performance Measuring Principle time of flight measurement, echo signal digitization, online waveform processing, full waveform recording for post processing Hydrography Typ. Measurement Range 3) Typ. Operating Flight Altitude 5) Above Ground Level (AGL) 1.5 Secchi depth for bright ground (≥80 %) 4) 600 m (1970 ft.) Topography (diffusely reflecting targets) Max. Measurement Range 6) 7) 8) natural targets ≥20 % natural targets ≥60 % Typ. Operating Flight Altitude 8) 5) Above Ground Level (AGL) Minimum Range Accuracy 9)...

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IMU/GNSS Performance 11 2) IMU Accuracy 3) Roll, Pitch Heading IMU Sampling Rate Position Accuracy (typ.) horizontal / vertical Integrated Digital Cameras 4) RGB and/or IR Camera Sensor Resolution Sensor Dimensions (diagonal) Focal Length of Camera Lens Field of View (FOV) Interface Data Storage up to 100 MPixel CMOS without FMC5) or up to 80 MPixel CCD with FMC5) 67.2 mm (medium format) 50 mm approx. 56.2° x 43.7° USB 3.0 separate dedicated data recorder Data Interfaces Configuration Scan Data Output GNSS Interface 6) General Technical Data Power Supply Input Voltage Power Consumption Main...

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