Results 11 to 20 of about 397,762 (245)
Journal of Glaciology, 2021 The current paper studies the dynamics and age of the Triangle du Tacul (TDT) ice apron, a massive ice volume lying on a steep high-mountain rock wall in the French side of the Mont-Blanc massif at an altitude close to 3640 m a.s.l.
Grégoire Guillet +4 more
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A Robust Photogrammetric Processing Method of Low-Altitude UAV Images
Remote Sensing, 2015 Low-altitude Unmanned Aerial Vehicles (UAV) images which include distortion, illumination variance, and large rotation angles are facing multiple challenges of image orientation and image processing. In this paper, a robust and convenient photogrammetric
Mingyao Ai +5 more
doaj +2 more sources
Atmosphere, 2020 Land surface temperature (LST) can fully reflect the water–heat exchange cycle of the earth surface that is important for the study of environmental change.
Ahmed Ali Bindajam +4 more
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Applied Sciences, 2023 Compared to maximum state parameters, such as maximum altitude and Mach, the number of hovers and S turns can be used as process parameters representing the complexity of military aircraft maneuvers when classifying big flight mission data to compile ...
Moli Chen +3 more
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BioMed Research International, 2022 Objective For people in high altitude areas, the shape of the femoral neck is different due to the different living environment. To deduce the optimal insertion angle and position of the cannulated screw using three-dimensional finite element technology ...
Kai-ming Lei +5 more
semanticscholar +1 more source
Can geographical factors determine the choices of farmers in the Ethiopian Highlands to trade in livestock markets? [PDF]
PLoS ONE, 2012 Proximity and affiliation to the local market appear to be two of the most relevant factors to explain farmer's choices to select a particular trading point. Physical barriers may limit the options , especially in developing countries.
Angel Ortiz-Pelaez +3 more
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IOP Conference Series: Earth and Environment, 2022 Conventional assessments of terrain correction are carried out by laying transparent paper containing the Hammer chart on topographic maps, then estimating the elevation for each of Hammer chart’s compartment. This procedure has disadvantages, the number
R. Salam, E. Wahyudi, Setianingsih
semanticscholar +1 more source
Electrostatic potential of a uniformly charged triangle in barycentric coordinates
European journal of physics, 2021 We compute the electrostatic potential of a uniformly charged triangle. Barycentric coordinates are employed to express the field point, the parametrization of the surface integral, and the gradient operator.
U.-Rae Kim +4 more
semanticscholar +1 more source
Robust Low-Sidelobe Transmit Beamforming under Peak-to-Average-Power Ratio Constraint
Sensors, 2023 Transmit beamforming (TBF) provides the capability of focusing illuminating power in the desired directions while reducing the emitting power in undesired directions.
Lingping Cai +4 more
doaj +1 more source
Schneefernerhaus as a mountain research station for clouds and turbulence [PDF]
Atmospheric Measurement Techniques, 2015 Cloud measurements are usually carried out with airborne campaigns, which are expensive and are limited by temporal duration and weather conditions. Ground-based measurements at high-altitude research stations therefore play a complementary role in cloud
S. Risius +6 more
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