Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Felipe Walter Dafico Pfrimer"'
Autor:
Alberto Yoshihiro Nakano, Hélio Rodrigues da Silva, Julian Rodrigues Dourado, Felipe Walter Dafico Pfrimer
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 45 (2024)
A small Brazilian speech corpus was created for educational purposes to study a state-of-the-art speaker recognition system. The system uses the Gaussian Mixture Model (GMM) as a statistical model for speakers and employs the Mel-frequency cepstral c
Externí odkaz:
https://doaj.org/article/977480f0971543cd952653f1e63e4932
Autor:
Edson Tavares de Camargo, Fabio Alexandre Spanhol, Juliano Scholz Slongo, Marcos Vinicius Rocha da Silva, Jaqueline Pazinato, Adriana Vechai de Lima Lobo, Fábio Rizental Coutinho, Felipe Walter Dafico Pfrimer, Cleber Antonio Lindino, Marcio Seiji Oyamada, Leila Droprinchinski Martins
Publikováno v:
Sensors, Vol 23, Iss 9, p 4424 (2023)
In many countries, water quality monitoring is limited due to the high cost of logistics and professional equipment such as multiparametric probes. However, low-cost sensors integrated with the Internet of Things can enable real-time environmental mo
Externí odkaz:
https://doaj.org/article/845e99945b804b3487c52f0c23976081
Autor:
Felipe Natã de Camargo Xavier, Leila Droprinchinski Martins, Marcio Seiji Oyamada, Fabio Alexandre Spanhol, Fábio Rizental Coutinho, Felipe Walter Dafico Pfrimer, Edson Tavares de Camargo
Publikováno v:
Anais Estendidos do XII Simpósio Brasileiro de Engenharia de Sistemas Computacionais (SBESC Estendido 2022).
Low-cost sensors have the potential to significantly reduce costs compared to reference devices. The problem, however, is that measurements from low-cost sensors can be unreliable when it comes to certifying water quality. This work investigates the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0271679bb6e162b510ac30f4349183c6
https://doi.org/10.5753/sbesc_estendido.2022.228152
https://doi.org/10.5753/sbesc_estendido.2022.228152
Publikováno v:
Engenharia Elétrica: Comunicação Integrada no Universo da Energia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a11a13fb6dfb0a444d57043a1930128f
https://doi.org/10.22533/at.ed.37321230213
https://doi.org/10.22533/at.ed.37321230213
Autor:
Amanda Costa Martinez, Felipe Walter Dafico Pfrimer, Alberto Yoshihiro Nakano, Mathias Scroccaro Costa
Publikováno v:
IEEE Latin America Transactions. 16:1057-1063
This paper shows the design and construction of an electrocardi-ograph capable of capturing and showing the electrical activity of the human heart through a single channel. For this purpose, a circuit comprising an amplification phase, that uses an i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1198d695c2448f53c3523792ea6f80e9
https://doi.org/10.1109/tla.2018.8362137
https://doi.org/10.1109/tla.2018.8362137
Autor:
David Antonio Brum Siepmann, Ricardo Schneider, Alberto Yoshihiro Nakano, Paulo Afonso Gaspar, Antonio Cesar Godoy, Felipe Walter Dafico Pfrimer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ee4a7fc071940b325c1674d1e981b19
https://doi.org/10.22533/at.ed.51419240520
https://doi.org/10.22533/at.ed.51419240520
Autor:
Felipe Walter Dafico Pfrimer, Ricardo Schneider, David Antonio Brum Siepmann, Alberto Yoshihiro Nakano, Antonio Cesar Godoy, Oscar Oliveira Santos
Publikováno v:
Water, Air, & Soil Pollution. 229
Turbidity has been used as an effective indicator of water quality and it is regulated by national control agencies as a water potability parameter. This work proposes a simple, low-cost, and easily reproducible method based on digitally processed sn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48f619095ecf896d8d3ad4c5e580b87b
https://doi.org/10.1007/s11270-018-4034-4
https://doi.org/10.1007/s11270-018-4034-4
Autor:
Marcela H. Koyama, Alex Dante, Jose Antonio Siqueira Dias, Felipe Walter Dafico Pfrimer, Elnatan Chagas Ferreira
Publikováno v:
Journal of Lightwave Technology. 32:971-977
In this paper a closed-loop interrogation technique for multi-point temperature measurement using fiber Bragg gratings (FBG) is presented. The technique uses a broadband light source and n tunable FBGs to interrogate an array of n FBGs sensors placed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8178a52bd65de4db1afb5dc3b99ec06b
https://doi.org/10.1109/jlt.2013.2295536
https://doi.org/10.1109/jlt.2013.2295536
Autor:
Felipe Walter Dafico Pfrimer, Elnatan Chagas Ferreira, Alex Dante, Jose Antonio Siqueira Dias
Publikováno v:
The International Journal of Electrical Engineering & Education. 51:12-26
Fibre optic sensors are becoming so important in engineering that it is important to introduce this new subject in Electrical Engineering courses. This work describes the construction of a simple, low-cost fibre Bragg grating (FBG) electronic interro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13503f2d40df976cbb41a481f9b000a8
https://doi.org/10.7227/ijeee.51.1.2
https://doi.org/10.7227/ijeee.51.1.2