Results 181 to 190 of about 10,644 (229)
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Testing of Airborne Laser Altimetry Sensors
2018 5th IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace), 2018This paper synthesizes the results of the mechanical shock, vibration and temperature tests that have been executed in order to verify the performance characteristics of the device under test (D UT) in environmental conditions representative of those which may be encountered during the operation of the equipment.
Lorenzo Ciani, Matteo Venzi
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A super-resolution laser altimetry concept
SPIE Proceedings, 2011A super-resolution laser altimetry technique has been proposed to provide improved lidar altimetry from Cloud Aerosol Lidar and Infrared Pathfinder Satellite Observation(CALIPSO) lidar data, and it is applicable to other similar atmospheric profiling lidar with low-pass filters.
Xiaomei Lu +3 more
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The ICESat-2 Laser Altimetry Mission
Proceedings of the IEEE, 2010Satellite and aircraft observations have revealed that remarkable changes in the Earth's polar ice cover have occurred in the last decade. The impacts of these changes, which include dramatic ice loss from ice sheets and rapid declines in Arctic sea ice, could be quite large in terms of sea level rise and global climate.
Waleed Abdalati +16 more
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The Geoscience Laser Altimetry/Ranging System
IEEE Transactions on Geoscience and Remote Sensing, 1987The Geoscience Laser Altimetry/Ranging System (GLARS) is a planned highly precise laser distance-measuring system to be used for geoscience measurements requiring extremely accurate geodetic observations from a space platform. The system combines the attributes of a pointable laser ranging system making observations to retroreflectors placed on the ...
Steven Cohen +4 more
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SPIE Proceedings, 1997
Space-based laser altimeters are effective in providing topographic measurements critically important to the understanding of the formation and early evolution of planetary bodies. Using laser altimetry data, topographic grids can be produced that provide significant insight into the shape, internal structure and evolution of the subject body.
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Space-based laser altimeters are effective in providing topographic measurements critically important to the understanding of the formation and early evolution of planetary bodies. Using laser altimetry data, topographic grids can be produced that provide significant insight into the shape, internal structure and evolution of the subject body.
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Monitoring Earth’s climate variables with satellite laser altimetry
Nature Reviews Earth & EnvironmentLori A. Magruder +6 more
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Pushbroom Laser Altimetry using Fiber Lasers and Photon Counting Detectors
2007 Conference on Lasers and Electro-Optics (CLEO), 2007We report on progress in developing a new swath mapping laser altimeter measurement approach using multiple laser measurement beams, modulated fiber lasers, photon counting detectors, and event timers for future space missions.
James B. Abshire +5 more
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Lunar laser altimetry in the SELENE project
Advances in Space Research, 1999Abstract Lunar laser altimeter (LALT) has been developed for the Japanese lunar exploration SELENE (SELenological and ENgineering Explorer) in 2003. Lunar laser altimetry and two other selenodetic missions are put together and called RISE (Researches In SElenodesy) project that has been developed mainly by National Astronomical Observatory of Japan ...
H. Araki +5 more
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Laser Altimetry for Low-flying Agricultural Aircraft
Transactions of the ASAE, 1994A laser-based altimetry system was developed to measure the low above-ground-level (AGL) altitudes that agricultural aircraft typically encounter during aerial applications. The laser altimetry system was evaluated on-board an aircraft under various conditions.
null Y. M. Koo +2 more
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Airborne laser altimetry in alluviated landscapes
Archaeological Prospection, 2005AbstractScanning airborne laser altimetry, usually referred to as LiDAR, generates high spatial resolution, high accuracy elevation data. The technique has found considerable use in the earth sciences, for example for flood modelling and prediction. This paper examines some geoarchaeological applications for LiDAR in alluviated landscapes.
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