Zobrazeno 1 - 10
of 190
pro vyhledávání: '"S R Oliveira"'
Autor:
Marina Jordão, Daniel Belo, Rafael F. S. Caldeirinha, Arnaldo S. R. Oliveira, Nuno B. Carvalho
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 5, Pp 511-520 (2021)
Abstract The main objective of this study is to present a characterization system that can be used to measure the active reflection coefficient of each port of the multiple input multiple output (MIMO) antennas, when the main beam is steered to an in
Externí odkaz:
https://doaj.org/article/1f8fb418c6434516bdc1f5e37a88fb97
Autor:
George V. R. Xavier, Hugerles S. Silva, Edson G. da Costa, Alexandre J. R. Serres, Nuno B. Carvalho, Arnaldo S. R. Oliveira
Publikováno v:
IEEE Access, Vol 9, Pp 110787-110810 (2021)
In this article, it is provided a comprehensive survey on the most relevant research in the area of detection, classification and location of partial discharge (PD) sources using the radiometric or ultra high frequency (UHF) method, focusing mainly o
Externí odkaz:
https://doaj.org/article/7e898d84993446369fe2ad22549878fa
Autor:
Mafalda Laranjo, Nelson A. M. Pereira, Andreia S. R. Oliveira, Márcia Campos Aguiar, Gonçalo Brites, Bruno F. O. Nascimento, Beatriz Serambeque, Bruna D. P. Costa, João Pina, J. Sérgio Seixas de Melo, Marta Pineiro, M. Filomena Botelho, Teresa M. V. D. Pinho e Melo
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
Novel 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-fused meso-tetraarylchlorins, with different degrees of hydrophilicity (with methyl ester, hydroxymethyl, and carboxylic acid moieties), have been synthesized and their photophysical characterization as
Externí odkaz:
https://doaj.org/article/2b7d6b2ff23a420796ee33393c093c8b
Autor:
Felisberto Pereira, Hugo Sampaio, Ricardo Chaves, Ricardo Correia, Miguel Luis, Susana Sargento, Marina Jordao, Luis Almeida, Carlos Senna, Arnaldo S. R. Oliveira, Nuno Borges Carvalho
Publikováno v:
IEEE Access, Vol 8, Pp 34507-34521 (2020)
The research of safety applications in vehicular networks has been a popular research topic in an effort to reduce the number of road victims. Advances on vehicular communications are facilitating information sharing through real time communications,
Externí odkaz:
https://doaj.org/article/37861d0450f24d148c8c5e812d95909e
Autor:
Daniel Bastos, Alexandre Brandao, Abel Lorences-Riesgo, Paulo P. Monteiro, Arnaldo S. R. Oliveira, Dionisio Pereira, Hadi Z. Olyaei, Miguel V. Drummond
Publikováno v:
IEEE Transactions on Vehicular Technology. 72:1429-1437
Autor:
Luis Filipe Almeida, Samuel S. Pereira, Jose D. Domingues, Arnaldo S. R. Oliveira, Nuno Borges Carvalho
Publikováno v:
IEEE Communications Letters. 27:342-346
Autor:
Andreia S. R. Oliveira, Patrícia Pereira, Patrícia V. Mendonça, Ana C. Fonseca, Sérgio Simões, Arménio C. Serra, Jorge F. J. Coelho
Publikováno v:
Polymer Chemistry. 14:161-171
Well-defined amphiphilic biodegradable block copolymers (BCPs) are promising materials as drug/gene carriers because they can self-assemble in aqueous medium and form various nanostructures.
Autor:
Diogo Matos, Ricardo Correia, Higo T. P. Silva, Hugerles S. Silva, Arnaldo S. R. Oliveira, Nuno B. Carvalho
Publikováno v:
IEEE Microwave and Wireless Technology Letters. 33:102-105
Autor:
Samuel Santos Pereira, Luís Filipe Almeida, Rui F. Cordeiro, Arnaldo S. R. Oliveira, Paulo P. Monteiro, Nuno Borges Carvalho
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. :1-9
Autor:
Hugerles S. Silva, Guilherme B. L. C. Lourenco, Wamberto J. L. Queiroz, Arnaldo S. R. Oliveira, Francisco Madeiro, Osamah S. Badarneh, Ugo S. Dias, Rausley A. A. de Souza
Publikováno v:
IEEE Communications Letters. 26:2894-2898