Results 41 to 50 of about 17,694,616 (233)
Classification and transfer learning of sleep spindles based on convolutional neural networks
Frontiers in NeuroscienceBackgroundSleep plays a critical role in human physiological and psychological health, and electroencephalography (EEG), an effective sleep-monitoring method, is of great importance in revealing sleep characteristics and aiding the diagnosis of sleep ...
Jun Liang +14 more
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Use of Unmanned Aerial Vehicles for Traffic Surveys
Logi, 2022 The paper deals with the topic of monitoring traffic using unmanned aerial vehicles. The main research goal was to test the possibility of using aerial vehicles for traffic engineering applications, especially for determining the traffic intensity on ...
Kampf Rudolf +3 more
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Advanced Science, EarlyView.A self‐powered phase‐encoding sensing paradigm enables direct motion‐to‐time information conversion, providing a compact and autonomous strategy for high resolution angular displacement measurement. ABSTRACT In modern manufacturing and engineering, angular displacement sensors are crucial for motion control and feedback systems in Electromechanical ...
Shuxian Wang +3 more
wiley +1 more source
Vision based strategies for implementing Sense and Avoid capabilities onboard Unmanned Aerial Systems [PDF]
, 2011 Current research activities are worked out to develop fully autonomous unmanned platform systems, provided with Sense and Avoid technologies in order to achieve the access to the National Airspace System (NAS), flying with manned airplanes.
Forlenza, Lidia
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Three-Dimensional Prescribed-Time Hierarchical Cooperative Guidance Law for Head-On Interception
AerospaceThis paper proposes a three-dimensional prescribed-time hierarchical cooperative guidance law (3-D PTHCGL) for rapid and reliable head-on encirclement in cooperative interception of high-speed targets under incomplete directed communication topology ...
Shengli Xu +4 more
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Photo‐Gated Corona Microfluidics
Advanced Science, EarlyView.Photo‐gated corona microfluidics decouples optical programming from electric‐field actuation to enable reconfigurable manipulation on open, electrode‐pattern‐free surfaces. Near‐infrared irradiation locally melts paraffin, creating a reversible charge‐relaxation pathway that reconstructs the electric field.
Xiaxia Cui +9 more
wiley +1 more source
Research of the single‐rotor UAV gimbal vibration test
The Journal of Engineering, 2023 An experimental study was conducted to investigate the phenomenon of UAV attitude instability caused by large vibrations affecting single‐rotor UAV airborne equipment.
Guangchen Xu +2 more
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Advanced Science, EarlyView.A nuclear‐pore‐inspired nested dual‐loop architecture redistributes electromagnetic energy through coupled transport, confinement, and dissipation pathways. Integrated with Co/Fe3O4 dual‐magnetic composites and topology optimization, the 11‐mm‐thick absorber delivers continuous 2–40 GHz attenuation, raises finite‐band structural utilization to 82%, and
Shaokang Liu +6 more
wiley +1 more source
Recent Progress of Soft and Bioactive Materials in Flexible Bioelectronics
Cyborg and Bionic SystemsMaterials that establish functional, stable interfaces to targeted tissues for long-term monitoring/stimulation equipped with diagnostic/therapeutic capabilities represent breakthroughs in biomedical research and clinical medicine.
Xiaojun Wu +6 more
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Onboard visual-based navigation system for power line following with UAV
International Journal of Advanced Robotic Systems, 2018 The details of an onboard visual-based navigation system that allows an unmanned aerial vehicle to perform power line following are presented in this article.
Alexander Cerón +2 more
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