Zobrazeno 1 - 10
of 76
pro vyhledávání: '"N Shaaban"'
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-17 (2024)
Abstract This paper addresses the issue of constructing millimeter band antennas using dielectric waveguide structures. A new type of linear antenna, incorporating metal pins on the side walls of the grooved dielectric waveguide, is proposed for gene
Externí odkaz:
https://doaj.org/article/624abfbc5c764770b4a9ce09eb171947
Autor:
R. A. El-Tayebany, N. Shaaban
Publikováno v:
Âderna Fìzika ta Energetika, Vol 24, Iss 4, Pp 388-394 (2023)
Germanium crystals have a dead layer that causes a decrease in efficiency since the layer is not useful for detection but strongly attenuates photons. The thickness of this inactive layer is not well known due to the existence of a transition zone wh
Externí odkaz:
https://doaj.org/article/7f5a770a7d2041f6aa12dda23a913fc2
Autor:
A. N. Shaaban, F. Andersson, S. Peña, I. H. Caspersen, C. Magnusson, N. Orsini, S. Karvonen, P. Magnus, M. P. Hergens, M. R. Galanti
Publikováno v:
International Journal of Public Health, Vol 68 (2023)
Background: The association between tobacco use and COVID-19 is controversial. During the early course of the pandemic, limited testing prevented studying a wide spectrum of clinical manifestations.Objective: To examine the potential causal associati
Externí odkaz:
https://doaj.org/article/c9c41a7db033479fbee17f9866f1360d
Autor:
Hany S. Hussein, Mohamed Hassan Essai Ali, Mohammed Ismeil, Mohamed N. Shaaban, Mona Lotfy Mohamed, Hany A. Atallah
Publikováno v:
IEEE Access, Vol 11, Pp 98695-98705 (2023)
This study proposes robust convolutional neural network (CNN)-based automatic modulation classification (AMC) techniques. Traditional AMCs may be classified into two types: those that rely on ML (maximum likelihood-based AMCs) and those that rely on
Externí odkaz:
https://doaj.org/article/2585819c3a824d7dac0f9ae0a27d73cb
Autor:
M. R. Galanti, F. Andersson, I. H. Caspersen, S. Peña, S. Karvonen, P. Magnus, E. Raffetti, N. Orsini, C. Magnusson, A. N. Shaaban, M. P. Hergens, P. Skott
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-9 (2023)
Abstract Smoking has been linked with both increased and decreased risk of COVID-19, prompting the hypothesis of a protective role of nicotine in the pathogenesis of the disease. Studies of the association between use of smokeless tobacco and COVID-1
Externí odkaz:
https://doaj.org/article/a834928f99cd41deb5d82f0a3fa19975
A promising Ka band leaky-wave antenna based on a periodic structure of non-identical irregularities
Autor:
Mohamed N. Shaaban, Mohamed Hassan Essai Ali, M. S. Yasseen, Aydar R. Nasybullin, Yuri E. Sedelnikov
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2022, Iss 1, Pp 1-16 (2022)
Abstract This paper presents a new periodic grooved dielectric leaky-wave antenna with non-identical irregularities for an extremely high-frequency range capable of performing efficiently in the Ka band through a stable gain, a decrease in the level
Externí odkaz:
https://doaj.org/article/05ccca613433454ebd32f2eea85c19f7
Autor:
M. Maslik, Y. Abaaqil, N. Shaaban, D. Batungwanayo, S. Rachda, O. Elbaz, S. Belghmaidi, I. Hajji, A. Moutaouakil
Publikováno v:
SAS Journal of Surgery. 9:93-98
Purpose: To investigate clinical and surgical factors influencing the outcome after primary rhegmatogenous retinal detachment surgery. Methods: A retrospective, single-centre, case-control study of 274 eyes of 274 patients with primary rhegmatogenous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62b25b214b3a1bfa4041dc626f9dcae1
https://doi.org/10.36347/sasjs.2023.v09i02.007
https://doi.org/10.36347/sasjs.2023.v09i02.007
Publikováno v:
Frontiers in Public Health, Vol 8 (2020)
Background: Thirty-day hospital readmission is receiving growing attention as an indicator of the quality of hospital care. Understanding factors associated with 30-day hospital readmission among HIV patients in Portugal is essential given the high b
Externí odkaz:
https://doaj.org/article/bd5f8ef6ce1f47b5ad3f5169fc448ec4
Publikováno v:
Frontiers in Public Health, Vol 7 (2019)
Externí odkaz:
https://doaj.org/article/ee9fa2214c4a4e95b46257131946bc72
Autor:
Ahmed N. Shaaban, Filip Andersson, Cecilia Magnusson, Nicola Orsini, Ida H. Caspersen, Sebastian Peña, Sakari Karvonen, Per Magnus, Maria R. Galanti
Publikováno v:
Scandinavian Journal of Public Health. :140349482311742
Background: The association between tobacco smoking and the risk of COVID-19 and its adverse outcomes is controversial, as studies reported contrasting findings. Bias due to misclassification of the exposure in the analyses of current versus non-curr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bfa24756dbae56c6e9a15eac7c09dc6
https://doi.org/10.1177/14034948231174279
https://doi.org/10.1177/14034948231174279