Zobrazeno 1 - 10 of 11 pro vyhledávání: '"A. J. R. Serres"'
1
Akademický článek
Nature-Inspired Frequency Selective Surface in Fibonacci Spiral with Closely Resonant Bands
Autor: Maciel Alves de Oliveira, Pavlos I. Lazaridis, Zaharias D. Zaharis, Alfredo Gomes Neto, Antônio L. P. S. Campos, Alexandre J. R. Serres
Publikováno v: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 23, Iss 2 (2024)
Abstract This paper presents a novel nature-inspired tri-band frequency selective surface (FSS) characterized by closely spaced bands, angular stability, and polarization independence. The FSS element adopts a segmented Fibonacci spiral geometry. Whi
Externí odkaz: https://doaj.org/article/96287e9a9b76463281fc36a0142a36d3
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2
Akademický článek
Detection, Classification and Location of Sources of Partial Discharges Using the Radiometric Method: Trends, Challenges and Open Issues
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
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3
UMA PROPOSTA DE FSS SIMPLES E MULTICAMADA PARA APLICAÇÕES EM 5G
Autor: G. W. Pereira, De Oliveira, A. M., M. V. S. Cardoso, A. J. R. Serres, R. H. C. Maniçoba
A quinta geração wireless (5G) veio para mudar o meio da telecomunicação, visto que possui uma característica de alta velocidade com baixa latência, trazendo grandes impactos para diversas áreas tecnológica, principalmente as que necessitam d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5858dc4ccba14deb5d8e4ab94337936
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4
UMA PROPOSTA DE SUPERFÍCIE SELETIVA EM FREQUÊNCIA (FSS) MULTINÍVEL PARA APLICAÇÃO EM WI-FI 6E
Autor: M. V. S. Cardoso, De Oliveira, A. M., G. W. Pereira, A. J. R. Serres, R. H. C. Maniçoba
Por conta do crescimento considerável nos últimos anos, os sistemas de telecomunicação necessitam cada vez mais de redes de alta capacidade, com funcionamento eficiente. Nesta conjunção, as superfícies seletivas em frequência (FSS) têm desta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53d507442ee4a327032c8028df1fd46b
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5
Akademický článek
UHF Partial Discharge Location in Power Transformers via Solution of the Maxwell Equations in a Computational Environment
Autor: Luiz A. M. M. Nobrega, Edson G. Costa, Alexandre J. R. Serres, George V. R. Xavier, Marcus V. D. Aquino
Publikováno v: Sensors, Vol 19, Iss 15, p 3435 (2019)
This paper presents an algorithm for the localisation of partial discharge (PD) sources in power transformers based on the electromagnetic waves radiated by a PD pulse. The proposed algorithm is more accurate than existing methods, since it considers
Externí odkaz: https://doaj.org/article/ff226558ec9a4edd827e326dfea1a127
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6
Akademický článek
Design and Development of a Bio-Inspired UHF Sensor for Partial Discharge Detection in Power Transformers
Autor: Luiz A. M. M. Nobrega, George V. R. Xavier, Marcus V. D. Aquino, Alexandre J. R. Serres, Camila C. R. Albuquerque, Edson G. Costa
Publikováno v: Sensors, Vol 19, Iss 3, p 653 (2019)
In this paper, the design and development of a bio-inspired UHF sensor for partial discharge detection in power transformers is presented. The UHF sensor was developed for external use in dielectric windows of power transformers. For this purpose, a
Externí odkaz: https://doaj.org/article/95f85090cf784dd5865091bd9af5804d
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7
Phase Adjustment of S-Parameters from Coupled Resonator Filters
Autor: L. M. da Silva, M. T. de Melo, M. G. A. R. Santos, A. J. R. Serres
Publikováno v: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 21, Issue: 1, Pages: 171-183, Published: 09 MAR 2022
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.21 n.1 2022
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
This paper presents a method to cancel the constant phase loading and transmission line that are added to the S-parameters of coupled resonant networks. Thus, the phase-corrected S-parameters may be used to obtain a rational model together with its r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::048c75e8b5103107d9b7c03164b0b312
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742022000100171&lng=en&tlng=en
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10
The BINGO project
Autor: Carlos A. Wuensche, Thyrso Villela, Elcio Abdalla, Vincenzo Liccardo, Frederico Vieira, Ian Browne, Michael W. Peel, Christopher Radcliffe, Filipe B. Abdalla, Alessandro Marins, Luciano Barosi, Francisco A. Brito, Amilcar R. Queiroz, Bin Wang, Andre A. Costa, Elisa G. M. Ferreira, Karin S.F. Fornazier, Ricardo G. Landim, Camila P. Novaes, Larissa Santos, Marcelo V. dos Santos, Jiajun Zhang, Tianyue Chen, Jacques Delabrouille, Clive Dickinson, Giancarlo de Gasperis, Edmar C. Gurjão, Stuart Harper, Yin-Zhe Ma, Telmo Machado, Bruno Maffei, Eduardo J. de Mericia, Christian Monstein, Pablo Motta, Carlos H. N. Otobone, Luiz A. Reitano, Mathieu Remazeilles, Sambit Roychowdhury, João R. L. Santos, Alexandre J. R. Serres, Andreia P. Souza, Cesar Strauss, Jordany Vieira, Haiguang Xu
Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2022, 664, pp.A15. ⟨10.1051/0004-6361/202039962⟩
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
The measurement of diffuse 21-cm radiation from the hyperfine transition of neutral hydrogen (HI signal) in different redshifts is an important tool for modern cosmology. However, detecting this faint signal with non-cryogenic receivers in single-dis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91155c4174cbc3af043164a71f5c36c9
https://doi.org/10.1051/0004-6361/202039962
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