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RIEGL VQ-1560i-DW - 10 Pages

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RIEGL VQ-1560i-DW
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Catalog excerpts

Dual Wavelength Waveform Processing Airborne LiDAR Scanning System for High-Point Density Mapping Applications RIEGL VQ-1560i-DW • enhanced target characterization based upon simultaneous measurements at green and infrared laser wavelengths • high laser pulse repetition rate of up to 1 MHz per laser channel • up to 1.33 million measurements per second on the ground • data acquisition at a wide range of point densities • excellent multiple target capability • enables Multiple-Time-Around (MTA) processing of up to 20 pulses simultaneously in the air • online waveform processing as well as smart and full waveform recording for both LiDAR channels • integrated inertial measurement unit and GNSS receiver • integrated, easily accessible medium format camera • prepared for integration of a secondary camera • high-speed fiber data interface to RIEGL data recorder • housing shape and mounting flange optimi optimize for interfacing with typical optimized for interfacing with typical c optimized o nter acin with ypical hatche an stabilized platforms hatches and stabilized platforms c he tab hatches and st bilized latf r The VQ-1560i-DW is a new airborne LiDAR scanning system offering two LiDAR channels of different wavelengths, green and infrared (IR). These wavelengths are well chosen to allow the acquisition of scan data of complementary information content, thus delivering two independent reflectance distribution maps, one per laser wavelength. Scan data acquired with the RIEGL VQ-1560i-DW are the input for wellestablished scan data processing methods but also for the development of highly sophisticated data processing and evaluation algorithms for new areas of application like vegetation mapping in agriculture and forestry. Thus the VQ-1560i-DW offers innovative technology for commercial as well as scientific and research applications. The VQ-1560i-DW provides a laser pulse repetition rate of up to 1MHz per LiDAR channel, resulting in a total of more than 1.3 million measurements per second on the ground. The VQ-1560i-DW works at highest productivity when both LiDAR channels are combined, typically at altitudes up to 8300 ft. However, each channel is also prepared for stand-alone operation. This channel selection capability in combination with a matched line of measurement programs as well as widely variable scan parameters enable highest possible flexibility for meeting highly specific requirements of challenging application scenarios. The system is completed by a high performance IMU/GNSS unit and up to two optional cameras. A 100 megapixels RBG camera is intended to be used as primary camera, as secondary camera a thermal or a NIR camera can be built in. The mounting flange is optimized for simple interfacing with typical aircraft hatches and stabilized mounts by means of a specific adapter ring. Applications: • Scientific and Research Applications • Agriculture an Forestry and • Mapping of Vegetation and Normalized Ve Vegetation Index (NDVI) Difference Veg • Glacier & Snowfield Mapping Snow • Mapping of Lake Sides & River Banks La • High Point Den Density Mapping • Corridor Mapp Mapping visit our website website www.riegl.co om www.riegl.com

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RIEGL VQ-1560i-DW Scan Pattern Each channel delivers straight parallel scan lines. The scan lines of the two channels are tilted against each other by 28 degrees providing an optimum distribution of the measurements on the ground invariant to changes in terrain height. Tilt Angle of Scan Lines Forward/Backward Scan Angle in Non-Nadir Direction RIEGL VQ-1560i-DW Elements of Function and Operation aperture of primary camera (RGB) aperture of IR laser channel mounting flange aperture of green laser channel aperture of secondary camera connectors for power supply and data interface desiccant cartridges Copyright...

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bottom view mounting holes up to 4 detachable carrying handles Preliminary Data Sheet Copyright RIEGL Laser Measurement Systems GmbH © 2017- All rights reserved.

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RIEGL VQ-1560i-DW System Components GNSS antenna USB 3.0 interface high speed interface LAN interface - flight guidance LAN interface - system control control for gyro-stabilized mount laser safety switch laser safety sw switch FOT FOTO FOTO FOTO OT OTO RIEGL VQ-1560i-DW pilot display flight guidance (optional) gyro-stabilized mount GSM-4000 (optional) operator working station (optional) A minimum number of system components and external cabling is required for an easy and quick installation in aircrafts. RIEGL VQ-1560i-DW Installation Examples RIEGL VQ-1560i-DW installed in the nose pod of fixed-wing...

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Measurement Range & Point Density - Green and IR Laser Channel PRR = 2x700 kHz, laser power level 100%, green and IR laser channel 4000 @ visibility 40 km @ visibility 23 km @ visibility 15 km Flight Altitude AGL Swath Width 2800 ft (850 m) 3700 ft (1130 m) 4500 ft (1500 m) 6500 ft (1980 m) 8600 ft (2620 m) Example: VQ-1560i-DW at 2 x 700,000 pulses/sec, laser power level 100% Altitude = 3,700 ft AGL, Speed = 115 kn Results: Point Density ~ 12.5 pts/m² Area Acquisition Rate ~ 215 km²/h PRR = 2x1000 kHz, laser power level 100%, green and IR laser channel 60 @ visibility 40 km @ visibility 23 km...

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Measurement Range & Point Density - Green and IR Laser Channel PRR = 2x1000 kHz, laser power level 25%, green and IR laser channel 1800 Flight Altitude AGL Swath Width @ visibility 40 km @ visibility 23 km @ visibility 15 km Example: VQ-1560i-DW at 2 x 1,000,000 pulses/sec, laser power level 25% Altitude = 3,000 ft AGL, Speed = 125 kn Results: Point Density ~ 20.2 pts/m² Area Acquisition Rate ~ 190 km²/h PRR = 2x1000 kHz, laser power level 12%, green and IR laser channel 1300 Flight Altitude AGL Swath Width @ visibility 40 km @ visibility 23 km @ visibility 15 km Example: VQ-1560i-DW at 2 x 1,000,000...

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Measurement Range & Point Density - IR Laser Channel Only PRR = 150 kHz, laser power level 100%, IR channel only 6500 @ visibility 40 km @ visibility 23 km @ visibility 15 km Flight Altitude AGL Swath Width 5800 ft (1770 m) 7400 ft (2260 m) 9300 ft (2830 m) 11800 ft (3600 m) 15000 ft (4570 m) Example: VQ-1560i-DW at 150,000 pulses/sec, laser power level 100% Altitude = 15,000 ft AGL, Speed = 150 kn Results: Point Density ~ 0.25 pts/m² Area Acquisition Rate ~ 1130 km²/h PRR = 250 kHz, laser power level 100%, IR channel only 6000 @ visibility 40 km @ visibility 23 km @ visibility 15 km Flight Altitude...

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