Results 61 to 70 of about 2,319 (136)

Application of Distributed Acoustic Sensing in Vessel Detection [PDF]

EPJ Web of Conferences
Distributed Acoustic Sensing (DAS) leverages the sensitivity of optical fibers to detect environmental vibrations. This study demonstrates the capability of DAS to identify and characterize the acoustic signatures of passing vessels, highlighting its ...
van Golde Ilmer, Silva Susana, Sousa Ricardo, Pinto Paulo, Cândido Miguel, Frazão Orlando   +5 more
doaj   +1 more source

Faculdade de Educação da PUC-Campinas e a educação à distância

Revista de Educação PUC-Campinas, 1999
A educação à distância e as indagações por ela trazidas ao sistema educacional são abordadas pelas autoras no contexto da modernidade e das novas tecnologias implicadas na relação ensino e aprendizagem.
Suely Galli Soares, Suzy Mari Pregnolato, Katia Moreno Caiado, Maria Eugênia Castanho   +3 more
doaj  

Modeling of surface vessels using distributed acoustic sensing data and physics-based optimization

Journal of the European Optical Society-Rapid Publications
Technological advances in global communications depend significantly on robust and efficient long-distance infrastructures. One notable example is the submarine cable network.
Martins Pedro, Van Golde Ilmer, Silva Susana, Frazão Orlando, Sousa Ricardo   +4 more
doaj   +1 more source

Combining annealing temperature and interface engineering for improving anisotropic magnetoresistance in Ta/NiFe/Ta films

AIP Advances
Anisotropic magnetoresistance (AMR) sensors are pivotal in various applications due to their low power consumption, scalability, and cost-effectiveness due to the simple sensor structure, comprising one NiFe film, usually encased in a buffer and cap ...
Rita F. Constantino, Guilherme Brites, Pedro D. R. Araujo, R. Macedo, S. Cardoso   +4 more
doaj   +1 more source

Detection of Communications Channels in VHF Band for Enhanced Maritime Surveillance

Sensors
This work aimed to develop and evaluate a real-time communication channel detection system in the Very High Frequency (VHF) band using software-defined radio (SDR). For this purpose, an FFT based spectral analyzer with 32,768 points was designed, capable
André Lopes, Luís Fernandes, Paulo Chaves   +2 more
doaj   +1 more source

Toward Energy-Efficient High-Performance Organizations of the Memory Hierarchy in Chip-Multiprocessors Architectures

Journal of Computer Science and Technology, 2006
Chip-multiprocessor systems or CMPs have emerged as a high-perfomance organization for the increasing number of transistors available on a chip, and are projected to dominate the market of server and desktop computers.
Francisco J. Villa, Manuel Acacio Sánchez, José Manuel García Carrasco   +2 more
doaj  

Digital visual syndrome in patients under 35 years of age

Medisan
Introduction: Digital visual syndrome or digital visual fatigue is a disease caused by the ocular fatigue provoked by spending much time in front of a screen.
Dayana Bacallao Massabeaut, Irene Cruz Martínez, Alexander Torres Moreno, Yumarys Tejeda Alvarado   +3 more
doaj  

Mensuração de atitudes de enfermeiros e médicos sobre o uso de computadores na era da Internet

Revista Latino-Americana de Enfermagem
Foram investigadas as atitudes dos enfermeiros e médicos de um hospital público de Campinas, SP, Brasil, frente ao uso do microcomputador na assistência à saúde. O instrumento utilizado foi um questionário composto por duas partes.
Maria Andréia Silva Ribeiro, Maria Helena Baena de Moraes Lopes   +1 more
doaj  

Techniques for improving the perfomance and scalability of directory-based shared-memory multiprocessors

Journal of Computer Science and Technology, 2003
Cache-coherent, nonumiform memory acces or cc-NUMA is an attractive architecture for building a spectrum of shared memory multiprocessors (whic are socing widespread use in commercial, technical and scientific applications). Unfortunately, there are some
Manuel Acacio Sánchez, José Manuel García Carrasco   +1 more
doaj  

Editorial: Socially, culturally and contextually aware robots. [PDF]

Front Robot AI, 2023
Engwall O, Bandera Rubio JP, Bensch S, Haring KS, Kanda T, Núñez P, Rehm M, Sgorbissa A.   +7 more
europepmc   +1 more source