Results 21 to 30 of about 247,915 (271)
Remote Sensing, 2022 We report on the development of a novel direct-detection Doppler wind lidar (DD-DWL) within the strong requirements of an aeronautic feed-forward control application for gust load alleviation (GLA).
Patrick Vrancken, Jonas Herbst
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Towards the noise reduction of piezoelectrical-driven synthetic jet actuators [PDF]
, 2014 This paper details an experimental investigation aimed at reducing the noise output of piezoelectrical-driven synthetic jet actuators without compromising peak jet velocity.
Anderson D. F. +18 more
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Evaluation of the Earth Systems Research Laboratory's global Observing System Simulation Experiment system [PDF]
Tellus: Series A, Dynamic Meteorology and Oceanography, 2013 An Observing System Simulation Experiment (OSSE) system has been implemented at the National Oceanographic and Atmospheric Administration Earth Systems Research Laboratory in the US as part of an international Joint OSSE effort.
Nikki C. Privé +5 more
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Preventing the Risks of Inadequate Human-Computer Interaction (HCI) Systems in Manned Spacecraft Missions: Toward an International Public Policy Framework Proposal [PDF]
Advanced Space LawThis scientific research paper analyzes the link between space technology and space law through specifically designed Human-Computer Interaction (HCI) systems applied in manned spacecraft missions, notably by the National Aeronautics and Space ...
Stefani Stojchevska, Sami Mehmeti
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An optimization method for nacelle design [PDF]
, 2017 A multi-objective optimiZation method is demonstrated using an evolutionary genetic algorithm. The applicability of this method to preliminary nacelle design is demonstrated by coupling it with a response surface model of a wide range of nacelle designs.
Heidebrecht, A. +2 more
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Medium-Scale UAVs: A Practical Control System Considering Aerodynamics Analysis
Drones, 2022 Unmanned aerial vehicles (UAVs) have drawn significant attention from researchers over the last decade due to their wide range of possible uses. Carrying massive payloads concurrent with light UAVs has broadened the aeronautics context, which is feasible
Mohammad Sadeq Ale Isaac +7 more
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Analytical, circle-to-circle low-thrust transfer trajectories with plane change [PDF]
, 2013 Orbit averaging techniques are used to develop analytical approximations of circle-to-circle low-thrust trajectory transfers with plane-change about the Sun.
Appourchaux T. +5 more
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Refined GEDI Level-2A Database Construction: Focused on Gyeonggi Province, Republic of Korea [PDF]
Geo DataThe Global Ecosystem Dynamics Investigation (GEDI), a full-waveform light detection and ranging system, translated the energy into a continuous waveform and recorded the signals chronologically for enabling geometric analysis of the vertical structure of
Kyeong-Hun Cho, Seung-Kuk Lee
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Current UrologyObjectives:. This study is aimed to evaluate the safety and efficacy of the MP1000 robotic system in urological tumor surgery. Materials and methods:.
Mingxin Diao +8 more
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