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pro vyhledávání: '"V. Bexiga"'
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Autor:
V. Bexiga, João Paulo Teixeira, P. Lousa, J. Varela, R. Bugalho, Isabel C. Teixeira, Pedro Rodrigues, Miguel A. Ferreira, J.C.D. Silva, C. Leong
Publikováno v:
Analog Integrated Circuits and Signal Processing. 70:213-227
In this article, novel FIFO and RAM-based Synchronization Modules to keep synchronism throughout the input channels of a Data Acquisition Electronics (DAE) system are proposed. DAE is a main component of a Medical Imaging System, namely, a Positron E
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::463cb6e7ce8cf9bee8dcc903fa0afc1c
https://doi.org/10.1007/s10470-011-9780-9
https://doi.org/10.1007/s10470-011-9780-9
Autor:
Fernando Piedade, Pedro Neves, P. Lousa, Catarina Ortigao, Andreia Trindade, Pedro Machado, Cláudia Ferreira, Angelo Rivetti, C. Leong, Rui Moura, V. Bexiga, João Paulo Teixeira, B. Carrico, Ricardo Bugalho, Miguel A. Ferreira, J. Rego, M.M. Silva, E. L. Albuquerque, J. Godinho, J. F. Pinheiro, José Luis da Conceição Silva, F. Goncalves, Isabel C. Teixeira, Pedro Rodrigues, Joao Varela
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 598:802-814
In the framework of the Clear-PEM project for the construction of a high-resolution scanner for breast cancer imaging, a very compact and dense frontend electronics system has been developed for readout of multi-pixel S8550 Hamamatsu APDs. The fronte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a940543d71b9526c7778551c7463e942
https://doi.org/10.1016/j.nima.2008.10.005
https://doi.org/10.1016/j.nima.2008.10.005
Autor:
J. Gilly, M. Hansen, N. Cardoso, Y. Geerebaert, Pedro Machado, M. Gastal, R. Benetta, M. Husejko, Kostas Kloukinas, V. Bexiga, P. Verrecchia, C. Ljuslin, I. Mandjavidze, R. Alemany, Pascal Paganini, M. Cerruti, João Paulo Teixeira, A. Jain, O. Gachelin, M. Bercher, N. Regnault, P. Busson, Jean-Louis Faure, P. Gras, A. Karar, M. Santos, N. Almeida, Carlos Almeida, Marc Dejardin, L. Zlatevski, Joao Varela, M. Mur, J.C.D. Silva, I. Teixeira, J. Bourotte
Publikováno v:
Scopus-Elsevier
Located between the on-detector front-end electronics and the global data acquisition system (DAQ), the off-detector electronics of the CMS electromagnetic calorimeter (ECAL) is involved in both detector readout and trigger system. Working at 40 MHz,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::096bce90b388ad7b51dd377a139549fc
https://doi.org/10.1109/tns.2005.856596
https://doi.org/10.1109/tns.2005.856596
Autor:
María Dolores Valdés, V. Bexiga, João Paulo Teixeira, Jorge Semião, Isabel C. Teixeira, J. Freijedo, Juan J. Rodriguez-Andina, C. Leong, Fabian Vargas
Publikováno v:
FPL
The objective of this paper is to propose a performance failure prediction methodology for FPGA-based designs, based on the use of a novel built-in programmable delay sensor. Digital Clock Managers (DCM) is used to fine tune the unsafe observation in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d298f58a72098b45e1eff8313c78507
https://doi.org/10.1109/fpl.2011.61
https://doi.org/10.1109/fpl.2011.61
Autor:
V. Bexiga, C. Leong, João Paulo Teixeira, P. Lousa, P. Machado, Isabel C. Teixeira, João Carlos Silva, Joao Varela
Publikováno v:
DDECS
The purpose of this paper is to present a novel built-in Clock Domain Crossing (CDC) test and diagnosis methodology for Globally Asynchronous, Locally Synchronous (GALS) systems. The methodology allows design and prototype validation, low maintenance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d837028b1f75a2951a5e0ff767ef316
https://doi.org/10.1109/ddecs.2010.5491815
https://doi.org/10.1109/ddecs.2010.5491815
Autor:
V. Bexiga, Pedro Rodrigues, Isabel C. Teixeira, R. Bugalho, Pedro Machado, Miguel A. Ferreira, João Carlos Silva, Joao Varela, C. Leong, João Paulo Teixeira, P. Lousa
Publikováno v:
2010 First IEEE Latin American Symposium on Circuits and Systems (LASCAS).
Globally Asynchronous, Locally Synchronous (GALS) systems are widely used in medical applications. Typically, they exhibit high number of node-to-node communication channels that must transmit high data volume at high data rates and maintain data tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfa89ec33616e9a89e14e2e428f6e1e8
https://doi.org/10.1109/lascas.2010.7410127
https://doi.org/10.1109/lascas.2010.7410127
Autor:
Cláudia Ferreira, Pedro Rodrigues, Paul Lecoq, Isabel C. Teixeira, Etiennette Auffray, Celso Xavier Cardoso, João Carlos Silva, Joao Varela, A. Trindade, R. Bugalho, Fernando Piedade, Miguel A. Ferreira, Pedro Neves, Ana Santos, J. F. Pinheiro, J. Barbosa, C. Leong, Nuno Ferreira, E. L. Albuquerque, I. Rolo, M.M. Silva, M.V. Martins, Catarina Ortigao, Pedro Machado, Paulo Relvas, V. Bexiga, J. C. Santos, B. Carrico, M. Frade, P. Lousa, Rui F. Silva, A. L. Bastos, C. Guerreiro, Nuno Matela, João Falcão Carneiro, S. Carmona, Jorge A. Neves, F. G. Almeida, Stefaan Tavernier, Angelo Rivetti, Nuno Oliveira, João Paulo Teixeira, Pedro Almeida, F. Goncalves, R. Moura
Publikováno v:
2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC).
We present results on the characterization of the Clear-PEM breast imaging scanner. Clear-PEM is a dual-head Positron Emission Mammography scanner using APD-based detector modules that are capable of measuring depth-of-interaction (DOI) with a resolu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65c21f3414227704d9c557785f283e3c
https://doi.org/10.1109/nssmic.2009.5401796
https://doi.org/10.1109/nssmic.2009.5401796
Autor:
Paulo Relvas, Isabel C. Teixeira, A. L. Bastos, Pedro Neves, N. Pimenta, F. G. Almeida, João Paulo Teixeira, V. Bexiga, B. Carrico, João Carlos Silva, R. Moura, Joao Varela, Miguel A. Ferreira, Angelo Rivetti, José Paulo Sampaio, A. Trindade, Nuno Oliveira, P. Lousa, M. C. Martins, J. F. Pinheiro, Nuno Ferreira, Cláudia Ferreira, C. Leong, Pedro Almeida, J. Godinho, S. Carmona, Pedro Machado, Catarina Ortigao, Stefaan Tavernier, Fernando Piedade, Nuno Matela, R. Bugalho, Pedro Rodrigues, Paul Lecoq, Ana Santos, F. Goncalves
Publikováno v:
2009 16th IEEE-NPSS Real Time Conference.
Positron Emission based mammography systems are expected to constitute a significant breakthrough in the early diagnosis of breast cancer. This may lead to a significant enlargement in the horizon of women life, since breast cancer is considered to b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a46527ccd9c85d02e693e03bf29b516c
https://doi.org/10.1109/rtc.2009.5321874
https://doi.org/10.1109/rtc.2009.5321874
Autor:
Pedro Neves, J. Barbosa, Isabel C. Teixeira, José Paulo Sampaio, Miguel A. Ferreira, Fernando Piedade, M.M. Silva, João Carlos Silva, M.V. Martins, Stefaan Tavernier, V. Bexiga, P. Lousa, Catarina Ortigao, C. Guerreiro, C. Leong, Angelo Rivetti, Pedro Machado, Nuno Oliveira, Nuno Matela, R. Bugalho, A. Trindade, A. L. Bastos, Pedro Almeida, F. Goncalves, M. Frade, Ana Santos, F. G. Almeida, Pedro Rodrigues, João Paulo Teixeira, Paul Lecoq, J. Varela, S. Carmona, Cláudia Ferreira, R. Moura, Rui F. Silva, Etiennette Auffray, Paulo Relvas, J. C. Santos, B. Carrico, J. F. Pinheiro, Nuno Ferreira, I. Rolo, E. L. Albuquerque, J. Godinho
Publikováno v:
2008 IEEE Nuclear Science Symposium Conference Record.
We present an overview of the Clear-PEM breast imaging scanner. Clear-PEM is a unique dual-head Positron Emission Mammography scanner using APD-based detector modules that are capable of measuring depth-of-interaction (DOI) with a resolution of 2 mm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84a4ebf1c0d1c9021ef070556fb17f42
https://doi.org/10.1109/nssmic.2008.4774518
https://doi.org/10.1109/nssmic.2008.4774518