Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Moisés R. N. Ribeiro"'
Publikováno v:
IET Communications, Vol 15, Iss 2, Pp 279-288 (2021)
Abstract Transmission of three‐dimensional (3D) orthogonal frequency division multiplexing (OFDM) signals over red, green and blue (RGB) visible light communication (VLC) systems is proposed and experimentally validated. The novel 3D modulation for
Externí odkaz:
https://doaj.org/article/77d87e5ab25847629bc495161f7e2018
Autor:
Rogério da Silva Marques, Adilson Ribeiro Prado, Paulo Fernando da Costa Antunes, Paulo Sérgio de Brito André, Moisés R. N. Ribeiro, Anselmo Frizera-Neto, Maria José Pontes
Publikováno v:
Sensors, Vol 15, Iss 12, Pp 30693-30703 (2015)
This article presents a corrosion resistant, maneuverable, and intrinsically safe fiber Bragg grating (FBG)-based temperature optical sensor. Temperature monitoring is a critical activity for the oil and gas industry. It typically involves acquiring
Externí odkaz:
https://doaj.org/article/79a547c25d074456aac4c92211278ae9
Autor:
Camilo A. R. Diaz, Arnaldo Gomes Leal-Junior, Letícia M. Avellar, Paulo F. C. Antunes, Maria J. Pontes, Carlos A. Marques, Anselmo Frizera, Moisés R. N. Ribeiro
Publikováno v:
Sensors, Vol 19, Iss 13, p 2962 (2019)
In this paper, we report the development of a portable energy-efficient interrogator (Perrogator) for wavelength-based optical sensors. The interrogator is based on a compact solution encompassing a white light source and the spectral convolution bet
Externí odkaz:
https://doaj.org/article/2995944968cc4114a16cb180d5630139
Autor:
Camilo A. R. Díaz, Cátia Leitão, Carlos A. Marques, M. Fátima Domingues, Nélia Alberto, Maria José Pontes, Anselmo Frizera, Moisés R. N. Ribeiro, Paulo S. B. André, Paulo F. C. Antunes
Publikováno v:
Sensors, Vol 17, Iss 10, p 2414 (2017)
Fiber Bragg gratings are widely used optical fiber sensors for measuring temperature and/or mechanical strain. Nevertheless, the high cost of the interrogation systems is the most important drawback for their large commercial application. In this wor
Externí odkaz:
https://doaj.org/article/d83d36e4e9b7425f952f08f488a8f60c
Autor:
Márcia M. Jardim Martini, Carlos Eduardo S. Castellani, Maria José Pontes, Moisés R. N. Ribeiro, Hypolito José Kalinowski
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 9, Iss 2, Pp 100-112
An approximated technique to quickly optimize the gain profile of multi-pump broadband hybrid amplifiers under residual pump recycling in WDM systems is proposed. It is based on the amplifier spectral equalization by adjusting the flexible gain profi
Externí odkaz:
https://doaj.org/article/0ceed3d97b8944c7b183fa8ee18e97f2
Autor:
Víctor M. G. Martínez, Rafael S. Guimarães, Ricardo C. Mello, Alexandre P. do Carmo, Raquel F. Vassallo, Rodolfo Villaça, Moisés R. N. Ribeiro, Magnos Martinello
Publikováno v:
Advanced Information Networking and Applications ISBN: 9783031284502
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efca45fd5bec824dcfaae831a4468b36
https://doi.org/10.1007/978-3-031-28451-9_49
https://doi.org/10.1007/978-3-031-28451-9_49
Publikováno v:
Anais do III Workshop Brasileiro de Cidades Inteligentes (WBCI 2022).
Smart cities are based on complex systems that use legacy infrastructure and modern and intelligent solutions to achieve a highly efficient functioning of society in several verticals. In the context of road intersections, the main objective is to of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::215466d3ed06422807339e3b14412f34
https://doi.org/10.5753/wbci.2022.223311
https://doi.org/10.5753/wbci.2022.223311
Autor:
Everson Scherrer Borges, Edgard da Cunha Pontes, Csaba Mate, Frederic Loui, Magnos Martinello, Moisés R. N. Ribeiro
Publikováno v:
Anais do I Workshop de Testbeds (WTESTBEDS 2022).
An Open Source routing platform that uses a disaggregated model fully populated with carrier-class implementation of network protocols is discussed here. FreeRouter's architecture allows portability from emulated to testbed experiments (and on differ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7bd821a2e495231729e736068788549
https://doi.org/10.5753/wtestbeds.2022.223341
https://doi.org/10.5753/wtestbeds.2022.223341
Autor:
Paulo Antunes, Moisés R. N. Ribeiro, Raphael A. G. dos Santos, Luis Pereira, Arnaldo G. Leal-Junior, João Henrique G. M. Corrêa, Paulo André, Maria José Pontes, Carlos Marques, Anselmo Frizera Neto, Eduardo A. Beninca
Publikováno v:
IEEE Sensors Journal. 21:9869-9876
Computing performance and hardware integrity are tightly linked to adequate thermal management in datacenters. In addition, a large share of its electricity bills comes from cooling systems, so there is a pressing need for enhanced thermal management
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6de7a3afb694a05f38284a1f0da3195e
https://doi.org/10.1109/jsen.2021.3058513
https://doi.org/10.1109/jsen.2021.3058513
Autor:
Maria José Pontes, Adilson Ribeiro Prado, Arnaldo G. Leal-Junior, Camilo A. R. Díaz, Marco Cesar Cunegundes Guimarães, Moisés R. N. Ribeiro, Luís Guilherme Lyra Nunes, Jairo Pinto de Oliveira
Publikováno v:
Plasmonics. 16:787-797
Motivated by its high toxicity and presence on many industrial processes, in this work, a hydrogen sulphide (H2S) gas detector was developed. The construction of the device was accomplished by taking advantage of both silica optical fiber and the pot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a31a4e42602bc0ab6b342f5036171e13
https://doi.org/10.1007/s11468-020-01346-w
https://doi.org/10.1007/s11468-020-01346-w