Results 61 to 70 of about 569,053 (268)
Drone Systems and Applications, 2023 Aerial drones typically operate over small geographic areas (
Jurjen van der Sluijs +5 more
doaj +1 more source
Cities and Drones: What Cities Need to Know about Unmanned Aerial Vehicles (UAVs) [PDF]
, 2016 NLC's municipal guide, Cities and Drones, is designed to serve as a primer on drones for local officials, providing insight into the recently released federal rules relating to drone operation, as well as offering suggestions for how local governments ...
Elias Stahl +2 more
core
An Empirical Air-to-Ground Channel Model Based on Passive Measurements in LTE [PDF]
, 2019 In this paper, a recently conducted measurement campaign for unmanned-aerial-vehicle (UAV) channels is introduced. The downlink signals of an in-service long-time-evolution (LTE) network which is deployed in a suburban scenario were acquired.
Ai, Bo +6 more
core +2 more sources
Advanced Energy and Sustainability Research, EarlyView.Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira +4 more
wiley +1 more source
Study on Cooperative Anti-submarine Warfare of the MMA and UAVS
Hangkong gongcheng jinzhan, 2018 The multimission maritime aircraft(MMA) will be the major air force for anti-submarine warfare and intelligence, surveillance, reconnaissance campaign on the sea.
Li Xiaowei, Duan Zhuoyi
doaj +1 more source
Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai +3 more
wiley +1 more source
A Review of Detect and Avoid Standards for Unmanned Aircraft Systems
AerospaceWhen operating an unmanned aircraft system within the specific category beyond Air Risk Class a or within the certified category, a detect and avoid system is required in order to mitigate the risk of colliding with manned aircraft.
Marcel Riedel
doaj +1 more source
Surveying Wild Animals from Satellites, Manned Aircraft and Unmanned Aerial Systems (UASs): A Review
Remote Sensing, 2019 This article reviews studies regarding wild animal surveys based on multiple platforms, including satellites, manned aircraft, and unmanned aircraft systems (UASs), and focuses on the data used, animal detection methods, and their accuracies.
Dongliang Wang, Q. Shao, Huanyin Yue
semanticscholar +1 more source
Advanced Intelligent Systems, EarlyView.This review systematically analyzes deformable drones, including extendable, foldable, and tilting configurations, along with nature‐inspired flapping rotorcraft. By classifying deformation principles and structural mechanisms, design trade‐offs, functional capabilities, and future development potential are highlighted.
Ju‐Hee Lee +9 more
wiley +1 more source
ENSURING THE SAFETY OF A HETEROGENEOUS GROUP OF UNMANNED AIRCRAFT
Измерение, мониторинг, управление, контроль, 2021 Background. The object of the study is to ensure the safety of the flight of unmanned aircraft as part of a heterogeneous group in the emergency zone, designed for the localization and elimination of emergency situations.
V.V. Sherstnev
doaj +1 more source