Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Marek Češkovič"'
Publikováno v:
Aerospace, Vol 11, Iss 1, p 82 (2024)
Unmanned aerial vehicle technology is the most advanced and helpful in almost every area of interest in human work. These devices become autonomous and can fulfil a variety of tasks, from simple imaging and obtaining data to search and rescue operati
Externí odkaz:
https://doaj.org/article/8cfe044c5d1a48619eda505f42c0e0f8
Publikováno v:
Aerospace, Vol 10, Iss 7, p 632 (2023)
A helicopter in flight can be considered an unstable dynamic system with many unwanted vibrations originating from multiple sources, such as the operation of the engines and individual components. These vibrations cause the degradation of the structu
Externí odkaz:
https://doaj.org/article/ecd8e961f5ef4e748a3ce7812cdd6b1e
Publikováno v:
Sensors, Vol 23, Iss 1, p 177 (2022)
The measurement of the real altitude of aircraft is usually done using an aviation radio altimeter (ALT). A radio altimeter provides crucial information about the instantaneous (radio) altitude of aircraft, helicopter, or unmanned aerial vehicle, to
Externí odkaz:
https://doaj.org/article/1061df5bd9884c3698af22115a883d5f
Publikováno v:
Sensors, Vol 22, Iss 14, p 5394 (2022)
The presented article is focused on the evaluation of aviation radio altimeter (ALT) methodological error in order to increase air traffic safety. It briefly explains the background of methodological error at the theoretical level and offers practica
Externí odkaz:
https://doaj.org/article/45b42e7580c24c238badf7da18491c9e
Publikováno v:
Sensors, Vol 22, Iss 9, p 3122 (2022)
UAVs, used for professional purposes, often intervene in unfamiliar terrain and challenging conditions. Unlike recreational UAVs, such professional and specialised UAVs are very expensive to develop and operate, and their value is not negligible. Due
Externí odkaz:
https://doaj.org/article/67272ff2130447c09a26623c5fb791e9
Publikováno v:
Drones, Vol 6, Iss 2, p 54 (2022)
The task of increasing the accuracy and stabilization of the flight of unmanned aerial vehicles (UAV) in the alpine environment is a complex problem. It is related to the evaluation of UAV flight parameters and control conditions for the operator’s
Externí odkaz:
https://doaj.org/article/e69d579f9b04477fb7e9fe95aa145560
Publikováno v:
Naše More (Dubrovnik), Vol 65, Iss 3, Pp 157-163 (2018)
The article deals with an effect the change of shape of non-directional antenna‘s artificial ground plane has on the shape of its radiation diagram. In naval and aerial transportation, the artificial ground plane is the plane’s fuselage or ship
Externí odkaz:
https://doaj.org/article/f21e62f7656049f985f8853450014930
Publikováno v:
Sensors, Vol 21, Iss 23, p 7920 (2021)
The strict safety requirements of air transport for nonstandard placement of electronic onboard systems require an innovative approach to the experimental verification of the placement of these devices. Particular attention is required to the locatio
Externí odkaz:
https://doaj.org/article/3d1c5aedb70340c090f4d98b2a7d5dea
Publikováno v:
Sensors, Vol 21, Iss 3, p 939 (2021)
The aircraft avionics modernization process often requires optimization of the aircraft itself. Scale models of aircraft and their antennas are frequently used to solve this problem. Here we present interesting properties of the resonant antennas, wh
Externí odkaz:
https://doaj.org/article/80deb27146ac439f99dbd259a5c60208
Autor:
Rudolf Andoga, Ladislav Főző, Martin Schrötter, Marek Češkovič, Stanislav Szabo, Róbert Bréda, Michal Schreiner
Publikováno v:
Applied Sciences, Vol 9, Iss 11, p 2253 (2019)
There are only a few applications of infrared thermal imaging in aviation. In the area of turbojet engines, infrared imaging has been used to detect temperature field anomalies in order to identify structural defects in the materials of engine casing
Externí odkaz:
https://doaj.org/article/f6290a7643714db683fe4de8b6f82fec