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A Ground-Based Visual System for UAV Detection and Altitude Measurement Deployment and Evaluation of Ghost-YOLOv11n on Edge Devices [PDF]
SensorsThe growing threat of unauthorized drones to ground-based critical infrastructure necessitates efficient ground-to-air surveillance systems. This paper proposes a lightweight framework for UAV detection and altitude measurement from a fixed ground ...
Hongyu Wang +6 more
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Research on Type Selection of Diving Tower in 110kV Single and Double Circuit Transmission Line [PDF]
E3S Web of Conferences, 2021 With the continuous development of EHV (UHV) transmission lines，new lines often need to drill through the built lines，so it is urgent to study the type of diving towers.
Yu Xinmin +5 more
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Journal of Science: Advanced Materials and Devices, 2022 Achieving high sensitivity, resolution, and accuracy is desirable and in high demand for magnetic sensor applications. The giant magnetoimpedance (GMI) effect has drawn intensive attention owing to its ultrasensitive response to the magnetic field ...
Ho Anh Tam +8 more
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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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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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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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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
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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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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
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The anthropogenic contribution to atmospheric black carbon concentrations in southern Africa: a WRF-Chem modeling study [PDF]
Atmospheric Chemistry and Physics, 2015 South Africa has one of the largest industrialized economies in Africa. Emissions of air pollutants are particularly high in the Johannesburg-Pretoria metropolitan area, the Mpumalanga Highveld and the Vaal Triangle, resulting in local air pollution ...
F. Kuik +7 more
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