Zobrazeno 1 - 10
of 234
pro vyhledávání: '"Raimundo C. S. Freire"'
Autor:
Eduarda Froes, Paulo F. Silva Junior, Ewaldo E. C. Santana, Carlos M. Sousa Junior, Paulo H. F. Silva, Carlos A. M. Cruz, Vivianne S. Aquino, Luis S. O. Castro, Raimundo C. S. Freire, Mauro S. S. Pinto
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract In this work, it is proposed the development a new monopole directional antenna, bioinspired in elliptical leaf, with cut by golden ratio, for 4G band application, by the use of the technique of the cut of the radiating element for the incre
Externí odkaz:
https://doaj.org/article/2220ad1dda7f4bdbbd38866c29a1629e
Autor:
Paulo F. Silva Júnior, Ewaldo E. C. Santana, Mauro S. Silva Pinto, Everson P. Andrade, Joabson N. Carvalho, Raimundo C. S. Freire, Maciel A. Oliveira, Elder E. Carneiro de Oliveira
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 19, Iss 1, Pp 86-93 (2020)
Abstract This paper presents the characterization of dielectric properties (dielectric permittivity and dielectric loss factor) of Tommy Atkins mango (Mangifera indica L), a fruit produced in several regions of Brazil, of great economic importance. T
Externí odkaz:
https://doaj.org/article/0bf6922607d843c385871fa56b21571d
Autor:
Tiago S. Ferreira, Ewaldo E. C. Santana, Antônio F. L. Jacob Junior, Paulo F. Silva Junior, Luciana S. Bastos, Ana L. A. Silva, Solange A. Melo, Carlos A. M. Cruz, Vivianne S. Aquino, Luís S. O. Castro, Guilherme O. Lima, Raimundo C. S. Freire
Publikováno v:
Sensors, Vol 22, Iss 9, p 3128 (2022)
Proposal techniques that reduce financial costs in the diagnosis and treatment of animal diseases are welcome. This work uses some machine learning techniques to classify whether or not cases of canine visceral leishmaniasis are present by physical e
Externí odkaz:
https://doaj.org/article/44f23fd249344cd2accf34664ef63f8b
Autor:
Raimundo C. S. Freire, Marcos E. P. V. Zurita, Cleber V. R. Almeida, Antônio Q. Andrade, Alexandre S. Costa, Amauri Oliveira, LÃÂgia S. Palma
Publikováno v:
Sensors, Vol 3, Iss 10, Pp 498-503 (2003)
A feedback thermo-resistive sensor-based measurement scheme was proposed to estimate physical quantities like solar radiation (H), fluid velocity (U) and environment temperature (Ta). It was implemented as an environment temperature meter, using PI c
Externí odkaz:
https://doaj.org/article/f929765d516742aa9cac96d76bfab1db
Publikováno v:
Journal of Integrated Circuits and Systems. 17:1-5
Analog to Information Converters (AIC) implements signal acquisition in Compressed Sensing. AIC performance is affected by noise and hardware imperfections. In parallel Random Modulator Pre-Integrator (RMPI) architectures, delay among channels reduce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::994df5d497cd0c636f292e9e4ef653f9
https://doi.org/10.29292/jics.v17i2.562
https://doi.org/10.29292/jics.v17i2.562
Autor:
Raphael C. O. Jesus, Elyson A. N. Carvalho, Ollivier Tamarin, Raimundo C. S. Freire, Corinne Dejous
Publikováno v:
IEEE Sensors Journal. 22:11810-11818
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0604ae1b131ce701594b00a3fcecdfd
https://doi.org/10.1109/jsen.2022.3172604
https://doi.org/10.1109/jsen.2022.3172604
Akademický článek
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Autor:
Phillipe C. Santos, Raimundo C. S. Freire, Elyson A. N. Carvalho, Lucas Molina, Eduardo O. Freire, Matheus C. Santos, Anthony Weir, Petar Trslic, Edin Omerdic, Gerard Dooly, Daniel Toal
Publikováno v:
Journal of Intelligent & Robotic Systems. 107
The use of underwater vehicle manipulator systems (UVMS) equipped with cameras has gained significant attention due to their capacity to perform underwater tasks autonomously. However, controlling both the manipulator and the remotely operated vehicl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f11f30531cf5d1a958029bc7672d9027
https://doi.org/10.1007/s10846-023-01827-0
https://doi.org/10.1007/s10846-023-01827-0
Autor:
Tawan Chrysther dos Santos, Aclecio de Jesus dos Santos, Raphael Cardoso, Elyson A. N. Carvalho, Raimundo C. S. Freire, Jose G. N. C. Filho
Publikováno v:
2022 6th International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ba642f501bd5b91548daf0da7c3234f
https://doi.org/10.1109/inscit55544.2022.9913754
https://doi.org/10.1109/inscit55544.2022.9913754
Autor:
Stephane Carvalho, Matheus Souza, Valner Brusamarello, Tawan Chrysther dos Santos, Elyson Carvalho, Jose Carvalho, Raimundo C. S. Freire
Publikováno v:
2022 6th International Symposium on Instrumentation Systems, Circuits and Transducers (INSCIT).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb36c4d53af09c1d06fae235d783d4b5
https://doi.org/10.1109/inscit55544.2022.9913764
https://doi.org/10.1109/inscit55544.2022.9913764