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Wyszukujesz frazę "Mora, Marcin" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
EMF Exposure Modelling in the Vicinity of the Radiocommunication Stations
Autorzy:
Więcek, Dariusz
Niewiadomski, Daniel
Mora, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/226900.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
exposure limits
electric field strength distribution
5G
EMF modelling
SI2PEM
Opis:
Due to rapid development of wireless systems and future implementation of the 5G system, it is necessary to increase number of the stations and/or number of radio emissions in current and new mobile service frequency bands. For each of the new or modified radio installation in Poland the Electromagnetic Field (EMF) strength levels has to be evaluated and measured/validated in accordance with allowable limits. In the paper the model of estimation of total EMF levels coming from mobile base stations radio emissions to be used for estimation of the whole country territory EMF levels is proposed. Results of preliminary analysis were also shown on practical examples. The model presented in the paper can be used for initial finding of possible places where exist the risk of exceedance of the maximum exposure limits and for analysis of potential radio network development taking into account current regulatory limits. The model will be used in computerized system SI2PEM which is developing in Poland for EMF levels controlling and validation purposes.
Źródło:
International Journal of Electronics and Telecommunications; 2020, 66, 1; 5-10
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of Structures on the Operation of Air Traffic Radiolocation and Radionavigation Surveillance Systems
Autorzy:
Grzybkowski, Maciej J.
Niewiadomski, Daniel
Mora, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2058492.pdf
Data publikacji:
2021
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
air traffic safety
environment obstacles
ground radiolocalisation systems
Opis:
The article describes interference affecting the operation of radiolocation and radionavigation devices used in the air traffic surveillance systems, caused by the proximity of building structures. The impact of a hypothetical structure on the operation of primary and secondary air traffic surveillance radars and DVOR/DME beacons was simulated. The results of this simulation are presented in the form of airspace sectors in which false identification of aircraft may occur, and where it will not be possible to identify aircraft or use beacons due to the certain portion of airspace being in the shadow created by the structure. Analysis of the possibility of the PSR radar receiver being blocked by a strong signal reflected from a nearby building was performed as well.
Źródło:
Journal of Telecommunications and Information Technology; 2021, 4; 32--41
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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