Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Cezar-Eduard Lesanu"'
Autor:
Cezar-Ion Adomnitei, Cezar-Eduard Lesanu, Adrian Done, Ang Yu, Mihai Dimian, Alexandru Lavric
Publikováno v:
Sensors, Vol 24, Iss 6, p 1915 (2024)
LEO satellite constellations can provide a viable alternative to expand connectivity to remote, isolated geographical areas and complement existing IoT terrestrial communication infrastructures. This paper aims to improve LEO satellite communications
Externí odkaz:
https://doaj.org/article/255c4acb8b8e4e27a00d46d30bff9252
Publikováno v:
Journal of Applied Computer Science & Mathematics, Vol 15, Iss 2, Pp 9-14 (2021)
The behavior of vector modulator - based phase shifters containing the AD8340 chip manufactured by Analog Devices was analyzed in different manners than those in the previous tests, which were performed on scattering parameters using the logarithmic
Externí odkaz:
https://doaj.org/article/6992f3f30f154369ad30af3117a4b5a3
Autor:
Cezar-Ion Adomnitei, Cezar-Eduard Lesanu, Adrian Done, Mihai Dimian, Iulian Chiuchisan, Ang Yu
Publikováno v:
2022 International Conference on Development and Application Systems (DAS).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c7d59ffad6da72fb27792b4121852f7
https://doi.org/10.1109/das54948.2022.9786221
https://doi.org/10.1109/das54948.2022.9786221
Publikováno v:
ICSTCC
This paper presents the characterization of an antenna array containing two radiant elements, each element having three quarters of wavelength and posted on the same ground plane. Over a metallic and wide enough mesh ground plane, the three-quarter w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a97a3274e3c3945a3fe156590252dda7
https://doi.org/10.1109/icstcc52150.2021.9607178
https://doi.org/10.1109/icstcc52150.2021.9607178
Publikováno v:
2020 International Conference on Development and Application Systems (DAS).
In the field of meteor study using radio techniques, the transmitting antenna of the radio beacons is most of the time a classical turnstile antenna design. As an alternative, it is proposed a pyramidal shaped omnidirectional antenna with complex con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34b8e0c1badc7db5ee9714d33cc01a8e
https://doi.org/10.1109/das49615.2020.9108972
https://doi.org/10.1109/das49615.2020.9108972
Publikováno v:
2018 International Conference on Development and Application Systems (DAS).
The study of meteors by radio using a bistatic RADAR configuration in the Low-VHF portion of the spectrum requires the use of receiving antennas that are not always easy to install while fulfilling the imposed requirements. In order to facilitate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18a415c21664a8b2bd7df2b020c1d924
https://doi.org/10.1109/daas.2018.8396078
https://doi.org/10.1109/daas.2018.8396078
Publikováno v:
2017 21st International Conference on System Theory, Control and Computing (ICSTCC).
In the context of an impressive development of software defined networks and of internet technologies, this paper presents the aspects related to the implementation of an online wideband multimode radio receiver. The receiver was developed considerin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c286828aa22831651946338eb670f89f
https://doi.org/10.1109/icstcc.2017.8107144
https://doi.org/10.1109/icstcc.2017.8107144
Publikováno v:
2017 International Symposium on Signals, Circuits and Systems (ISSCS).
As the number of satellites orbiting around the Earth is significantly increasing, it is important to extend the ground station network, in order to be able to receive as much of the satellite transmitted data. In this context, this paper addresses t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c48351e01b98732aba3aca017fc3367
https://doi.org/10.1109/isscs.2017.8034912
https://doi.org/10.1109/isscs.2017.8034912
Publikováno v:
2017 International Symposium on Signals, Circuits and Systems (ISSCS).
In the context of an increasing number of satellites orbiting around the Earth, developing a vast ground stations network becomes very important in order to be able to receive the satellite transmitted data. Consequently, this paper presents the aspe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fcadfdd8c66e6f1e2e465990f079ae5
https://doi.org/10.1109/isscs.2017.8034925
https://doi.org/10.1109/isscs.2017.8034925