Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Ricardo Tokio Higuti"'
Autor:
Óscar Martínez-Graullera, Júlio Cesar Eduardo de Souza, Montserrat Parrilla Romero, Ricardo Tokio Higuti
Publikováno v:
Sensors, Vol 21, Iss 23, p 8018 (2021)
The analysis of the beampattern is the base of sparse arrays design process. However, in the case of bidimensional arrays, this analysis has a high computational cost, turning the design process into a long and complex task. If the imaging system dev
Externí odkaz:
https://doaj.org/article/9f0e12ea8cd14da2a1491e4de06090f0
Autor:
Júlio Cesar Eduardo de Souza, Montserrat Parrilla Romero, Ricardo Tokio Higuti, Óscar Martínez-Graullera
Publikováno v:
Sensors, Vol 21, Iss 23, p 8001 (2021)
This work provides a guide to design ultrasonic synthetic aperture systems for non-grid two-dimensional sparse arrays such as spirals or annular segmented arrays. It presents an algorithm that identifies which elements have a more significant impact
Externí odkaz:
https://doaj.org/article/ba747bbab40249a1b5d1599a70f58338
Publikováno v:
Polymers; Volume 14; Issue 21; Pages: 4564
Hybrid nanocomposite hydrogels, as admixtures for internal curing of cementitious materials, have been widely studied. This study analyzes the effect of applying 0.5% (wt/wt cement) of pre-soaked hydrogels based on polyacrylamide, carboxymethylcellul
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2021-06-25T11:10:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-05-01 The instantaneous frequency (IF) image is proposed in this work. It is obtained by the differentiation of the instantaneous phase (IP) image,
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2021-06-25T11:09:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Conventional techniques for ultrasonic image beamforming use amplitud
Autor:
Jose Henrique Galeti, Cláudio Kitano, Ricardo Tokio Higuti, Emílio Carlos Nelli Silva, Michael J. Connelly, Angel Manuel Galvez-Limaco
Publikováno v:
Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2021-06-25T12:23:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-10-01 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq
Publikováno v:
SSRN Electronic Journal.
Autor:
Julio Cesar Eduardo de Souza, Vander Teixeira Prado, Oscar Martinez-Graullera, Ricardo Tokio Higuti
Publikováno v:
2021 IEEE UFFC Latin America Ultrasonics Symposium (LAUS).
Autor:
Ricardo Tokio Higuti, Darlan Bonetti, Luiz O. V. Pereira, Ana Maria Frattini Fileti, Samuel Vitor Saraiva, Rosiane Lopes da Cunha, Flávio Vasconcelos da Silva, Carlos Alexandre Moreira da Silva
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2022-04-28T19:47:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-04-28 Ultrasonic spectroscopy has a great potential to measure the particle sizes in suspensions and emulsions of many industrial sectors. However,
Autor:
Hugo Geraldo Fonseca, Márcio F. Braga, Marcelo Moreira Tiago, Ricardo Tokio Higuti, Ariane Lage Ribeiro
Publikováno v:
Anais do Congresso Brasileiro de Automática 2020.
Este trabalho descreve o desenvolvimento de um sistema para detecção de bolhas em corpos de prova cilíndricos de concreto pré-moldado através do método do impacto acústico. Sensores piezelétricos foram empregados como transdutores e um oscilo