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RIEGL VQ-780i - 8 Pages

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RIEGL VQ-780i

Catalog excerpts

Waveform Processing Airborne Laser Scanner for Wide Area Mapping and High Productivity RIEGL VQ"-780i online waveform processing as well as smart and full waveform recording • excellent multiple target detection capability ; • excellent suppression of ? atmospheric clutter I • Multiple-Time-Around (MTA) processing of up to 25 pulses simultaneously in the air high laser pulse repetition rate up to 1 MHz up to 666,000 measurements/sec on the ground parallel scan lines and uniform point distribution interface for GNSS time synchronization S-lVi -jxi\ <*r • - seamless integration and compatibility with other RIEGL ALS systems and software packages The RIEGL VQ-780i is a high performance, rugged, lightweight, and compact airborne mapping sensor. This versatile system is designed for high efficient data acquisition at low, mid, and high altitudes, covering a variety of different airborne laser scanning applications from high density to wide area mapping. High speed rotating mirror design ensures reliability, and uniform point distribution across its entire wide field of view and at all flying altitudes. Based on RIEGis proven Waveform-LiDAR technology, the system provides point clouds with highest accuracy, excellent vertical target resolution, calibrated reflecetance readings, and pulse shape deviation for unsurpassed information content on each single measurement. Excellent atmospheric clutter suppression yields clean point clouds with minimum efforts in filtering isolated noise points. The system is complimented with RIEGL's advanced acquisition and data processing software suite that utilizes parallel computing (GPU) for fast data processing. The RIEGL VQ-780i is designed to work with the latest Inertial Navigation (IMU) Systems, flight management systems, and camera options. Applications: • Wide Area / High Altitude Mapping • High Point Density Mapping • Mapping of Complex Urban Environments • Glacier & Snowfield Mapping • City Modeling • Mapping of Lakesides & River Banks • Agriculture & Forestry • Corridor Mapping visit our website www.riegl.com RIEGL LASER MEASUREMENT SYSTEMS Airborne Laser Scanning

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RIEGL VQ®-780i Dense Scan Pattern and Wide Effective Swath Width The RIEGL VQ-780i scanning mechanism - based on a continuously rotating polygon mirror wheel - delivers straight parallel scan lines resulting in a regular point pattern on the ground. With equal spatial sampling frequency along and across track, object extents are well defined and even small objects may be detected. The instrument is perfectly suited for applications where a superior point pattern on target surfaces is required. The wide field of view and the multiple-time-around measurement capability of the RIEGL VQ-780i...

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-MTA7 visibility 40 km visibility 23 km visibility 15 km Typical ENOHD Example: VQ-780i at 150,000 pulses/sec, laser power level 100% Altitude = 14,900 ft AGL, Speed 150 kn Results: Point Density ~ 0.247 pts/m2 Area Acquisition Rate ~ 1,170 km2/h PRR = 250kHz, laser power level 100% 18810 visibility 40 km visibility 23 km visibility 15 km Typical ENOHD Target Reflectance [%] Example: VQ-780i at 250,000 pulses/sec, laser power level 100% Altitude = 12,100 ft AGL, Speed 140 kn Results: Point Density ~ 0.54 pts/m2 Area Acquisition Rate ~ 880 km2/h PRR = 350kHz, laser power level 100% 16130...

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visibility 40 km visibility 23 km visibility 15 km Target Reflectance [%] Example: VQ-780i at 500,000 pulses/sec, laser power level 100% Altitude = 5,600 ft AGL, Speed 170 kn Results: Point Density ~ 1.93 pts/m2 Area Acquisition Rate ~ 500 kirP/h PRR = 700kHz, laser power level 100% 12090 visibility 40 km visibility 23 km visibility 15 km Target Reflectance [%] Example: VQ-780i at 700,000 pulses/sec, laser power level 100% Altitude = 3,700 ft AGL, Speed 115 kn 1000kHz, laser power level 100% Results: Point Density ~ 6.05 pts/m2 Area Acquisition Rate ~ 220 km2/h Typical ENOHD visibility 40...

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Typical ENOHD Target Reflectance [%] Results: Point Density ~ 10.58 pts/m2 Area Acquisition Rate ~ 181 km2/h Example: VQ-780i at 1,000,000 pulses/sec, laser power level 50% Altitude = 2,900 ft AGL, Speed 120 knPRR = lQOOkHz, laser power level 25% VUA14; V1TA13 Target Reflectance [%] Example: VQ-780i at 1,000,000 pulses/sec, laser power level 25% Altitude = 2,700 ft AGL, Speed 100 kn Results: Point Density ~ 30 pts/m2 Area Acquisition Rate ~ 64 km2/h Assumptions for calculation of the Area Acquisition Rate • 20% overlap of neighboring flight strips. This overlap covers a roll angle of ±5° or...

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Example: VQ-780i at 1,000,000 pulses/sec, laser power level 6% Altitude = 2,600 ft AGL, Speed 80 kn Point Density ~ 18 pts/m² Area Acquisition Rate ~ 110 km²/h RIEGL VQ®-780i Main Dimensions Copyright RIEGL Laser Measurement Systems GmbH © 2019– All rights reserv

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Laser Product Classification Class 3B Laser Product according to IEC60825-1:2014 The following clause applies for instruments delivered into the United States: Complies with 21 CFR 1040.10 and 1040.11 except for conformance with IEC 60825-1 Ed.3., as described in Laser Notice No. 56, dated May 8, 2019. The instrument must be used only in combination with the appropriate laser safety box. as a function of laser power setting, PRR, and target reflectivity Laser Power Level Laser Power Level 2) Typical values for average conditions and average ambient brightness; in bright sunlight the...

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Technical Data RIEGL VQ®-780i (continued) Data Interfaces Configuration Monitoring Data Output Digitized Data Output Synchronization Camera interface General Technical Data TCP/IP Ethernet (10/100/1000 MBit/s) TCP/IP Ethernet (10/100/1000 MBit/s) High-speed data link to RIEGL Data Recorder DR1560i Serial RS232 interface, TTL input for 1 pps synchronization pulse, accepts different data formats for GNSS-time information 2 x power, RS232, 1 pps, trigger, exposure Power Supply / Current Consumption Main Dimensions (length x width x height) Weight Protection Class Max. Flight Altitude operating...

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