Results 121 to 130 of about 31,296 (216)

Autopilot drone in construction: A proof of concept for handling lightweight instruments and materials

open access: yesResults in Engineering
Applications of Unmanned Aerial Vehicles (UAVs) in construction have been increased in recent years mainly for purposes of automatically collecting field data. In the market, there is a growing opportunity for using UAVs in material handling.
Zeiab Imani   +4 more
doaj   +1 more source

Feasibility study on conducting overflight measurements of shaped sonic boom signatures using the Firebee BQM-34E RPV [PDF]

open access: yes
A study was performed to determine the feasibility of establishing if a 'shaped' sonic boom signature, experimentally shown in wind tunnel models out to about 10 body lengths, will persist out to representative flight conditions of 200 to 300 body ...
Keefer, Thomas N., Jr.   +2 more
core   +1 more source

THE USE AND ADAPTATION OF ANTI-AIRCRAFT ARTILLERY AGAINST DRONES

open access: yesReview of the Air Force Academy
In the context of the rapid development of drone technology and their increasingly frequent use in modern conflicts, the adaptation and use of anti-aircraft artillery against drones has become a priority for armed forces around the world. This article explores the possibilities of modifying and adapting anti-aircraft artillery systems, initial designed
openaire   +1 more source

DEVELOPMENT OF LEGAL REGULATION FOR DRONE AS UNMANNED AIRCRAFT IN LATVIA

open access: yesAdministrative and Criminal Justice, 2016
In this article the author examines existing and seldom researched issues regarding the legal framework for regulating unmanned aircraft flights, focussing particularly on drone flights. The purpose of the article is to analyse the existing and draft legal framework for regulating unmanned aircraft flights, identifying issues pertaining to drone flight
openaire   +2 more sources

The design and fabrication of microstrip omnidirectional array antennas for aerospace applications [PDF]

open access: yes
A microstrip antenna design concept was developed that will provide quasi-omnidirectional radiation pattern characteristics about cylindrical and conical aerospace structures. L-band and S-band antenna arrays were designed, fabricated, and, in some cases,
Appleton, M. W.   +2 more
core   +1 more source

Four-dimensional Drone Cluster Route Planning under the Constraint of Simultaneous Multi-objective Arrival

open access: yesKongzhi Yu Xinxi Jishu, 2019
It presented a design method for simultaneous arrival of multiple objective points under constraint of reaching simultaneously. The optimal target allocation part is realized through the Hungarian algorithm, and drones’ velocity segmented matrix is given
DONG Chengbo   +3 more
doaj  

Analysis of Unmanned Aerial Vehicle (UAV) Type Multicopter for Improving the Quality of Air Photography in Kulonprogo Airport

open access: yesJournal of Applied Geospatial Information, 2018
In the world of photography is very closely related to the unmanned aerial vehicle called drones. Drones mounted camera so that the plane is pilot controlled from the mainland.
Indreswari Suroso, Erwhin Irmawan
doaj  

USE AND ADAPTATION OF CLASSIC ANTI-AIRCRAFT MISSILE SYSTEMS AGAINST DRONES

open access: yesReview of the Air Force Academy
The significant increase in the use of drones for military and civilian purposes has required the development of advanced solutions to counter them. Anti-aircraft missiles have become an essential defense tool due to their ability to detect, track and neutralize small and highly maneuverable aerial vehicles.
openaire   +1 more source

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