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Insight: Non-Destructive Testing and Condition Monitoring, ISSN 1354-2575, 2014, Volume 56, Issue 4, pp. 204 - 210
Monitoring equipment in real time has become increasingly important, mainly when operational safety is targeted. Acoustic emission (AE) testing has been... 
Acoustic emission | Non-destructive testing (NDT) | Neural network | Nonlinear pattern classifiers | MATERIALS SCIENCE, CHARACTERIZATION & TESTING | INSTRUMENTS & INSTRUMENTATION | acoustic emission | non-destructive testing (NDT) | neural network | non-linear pattern classifiers
Journal Article
NDT and E International, ISSN 0963-8695, 2005, Volume 38, Issue 5, pp. 335 - 343
Journal Article
Revista Materia, ISSN 1517-7076, 2012, Volume 17, Issue 3, pp. 1084 - 1097
O interesse no monitoramento de equipamentos em tempo real é crescente nos dias de hoje, visando a maior segurança de operação dos mesmos. O ensaio de Emissão... 
Acoustic emission | Nondestructive testing (NDT) | Neural networks | MATERIALS SCIENCE, MULTIDISCIPLINARY | METALLURGY & METALLURGICAL ENGINEERING | CONSTRUCTION & BUILDING TECHNOLOGY
Journal Article
Insight: Non-Destructive Testing and Condition Monitoring, ISSN 1354-2575, 01/2006, Volume 48, Issue 1, pp. 45 - 51
The acoustic emission test has distinguished relevance among non-destructive testing and, therefore, research abounds at present aimed at the improvement of... 
MATERIALS SCIENCE, CHARACTERIZATION & TESTING | CLASSIFICATION | INSTRUMENTS & INSTRUMENTATION
Journal Article
Insight: Non-Destructive Testing and Condition Monitoring, ISSN 1354-2575, 12/2005, Volume 47, Issue 12, pp. 777 - 782
Non-destructive tests have been increasingly used as an inspection method to assure the quality and reliability of products and equipment. Among... 
MATERIALS SCIENCE, CHARACTERIZATION & TESTING | INSTRUMENTS & INSTRUMENTATION
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 2007, Volume 570, Issue 1, pp. 117 - 125
The trigger summing system for the hadronic calorimeter of ATLAS is described. This analog summing system aims at building the trigger tower signals, which are... 
Fast analog sum | On-line event validation | Calorimeter trigger signal | Muon trigger signal | Tilecal electronics | INSTRUMENTS & INSTRUMENTATION | fast analog sum | SPECTROSCOPY | oil-line event validation | NUCLEAR SCIENCE & TECHNOLOGY | muon trigger signal | calorimeter trigger signal | PHYSICS, PARTICLES & FIELDS | Detectors
Journal Article
WIT Transactions on Ecology and the Environment, ISSN 1743-3541, 2006, Volume 88, pp. 341 - 350
This paper presents a study about the variations of the coastal sea level in Paranaguá Bay-Paraná State, South Region of Brazil (SRB) from January 1997 to... 
Time series forecasting | Coastal sea level variability | Artificial neural network | Meteorological tide (Surge) | NCEP/NCAR Reanalysis data | Statistical analysis | Low pass filters | Water levels | Neural networks | Time series | Oscillations | Lag time | Sea level | Low frequencies | Coastal environments
Journal Article
2006 IEEE Power Engineering Society General Meeting, ISSN 1932-5517, 2006, p. 6 pp.
This paper presents a methodology to estimate the parameters of a transformer model that simulates its operation over a wide frequency range. An artificial... 
Parameter estimation | Transformer | Circuit simulation | Windings | Transfer functions | Artificial neural networks | neural networks | Frequency estimation | Frequency measurement | Power transformers | Frequency response | Genetic Algorithms | Equivalent circuits | Neural networks | Genetic algorithms
Conference Proceeding
Matéria, ISSN 1517-7076, 2012, Volume 17, Issue 3, pp. 1084 - 1097
O interesse no monitoramento de equipamentos em tempo real é crescente nos dias de hoje, visando a maior segurança de operação dos mesmos. O ensaio de Emissão... 
Journal Article
IEEE Transactions on Nuclear Science, ISSN 0018-9499, 04/2006, Volume 53, Issue 2, pp. 449 - 455
Journal Article
Seventh International Conference on Intelligent Systems Design and Applications (ISDA 2007), ISSN 2164-7143, 10/2007, pp. 659 - 664
An online particle discrimination system is proposed for the ATLAS particle detector, which will be placed at one of the collision points of LHC, the next... 
Filtering | Event detection | Mesons | Large Hadron Collider | Energy measurement | Independent component analysis | Detectors | Background noise | Intelligent systems | Electrons
Conference Proceeding
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 1994, Volume 338, Issue 2, pp. 284 - 309
The Forward Ring Imaging Cherenkov detector of the DELPHI experiment at LEP provides hadron identification at polar angles15° < θ < 35° and 145° < θ < 165°.... 
DESIGN | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | PERFORMANCE | LEP | BARREL RICH PROTOTYPE | EFFICIENCY | COUNTER | PHYSICS, PARTICLES & FIELDS | Instrumentation and Detectors | Physics
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 1994, Volume 350, Issue 1, pp. 300 - 304
An active adder circuit is presented. It is designed to handle fast signals (risetime ∼1 ns) that have to be linearly combined while good DC stability is to be... 
ELECTRON | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | PION | SCINTILLATING-FIBER CALORIMETER | PHYSICS, PARTICLES & FIELDS
Journal Article
The Proceedings of the Multiconference on "Computational Engineering in Systems Applications", 10/2006, Volume 2, pp. 1576 - 1579
In this paper we study the use of neural networks in bandwidth extension algorithms (BWE). The aim of such algorithms is to extend the frequency range of... 
Filters | Neural networks | Signal sampling | Telephony | Signal processing | Speech | Systems engineering and theory | Signal generators | Frequency estimation | Narrowband
Conference Proceeding
2008 15th IEEE International Conference on Electronics, Circuits and Systems, 08/2008, pp. 530 - 533
In high energy collider experiments, the filtering (triggering) systems are responsible for event selection in a huge amount of data generated by particle... 
Large Hadron Collider | Hydrogen | Laboratories | Detectors | Signal processing | Information filters | Information filtering | Background noise | Electrons | Principal component analysis
Conference Proceeding
by Ajaltouni, Z and Albiol, F and Alifanov, A and Amaral, P and Amelin, D and Amorim, A and Anderson, K and Angelini, C and Agnvall, S and Antola, A and Astesan, F and Astvatsaturov, A and Autiero, D and Badaud, F and Barreira, G and Benetta, R and Berglund, S and Blanchot, G and Blucher, E and Blaj, C and Bodö, P and Bogush, A and Bohm, C and Boldea, V and Borisov, O and Bosman, M and Bouhemaid, N and Brette, P and Breveglieri, L and Bromberg, C and Brossard, M and Budagov, J and Caloba, L and Carvalho, J and Casado, P and Castera, A and Cattaneo, P.W and Cavalli-Sforza, M and Cavasinni, V and Chadelas, R and Chevaleyre, J.-C and Chirikov-Zorin, I and Chlachidze, G and Cobal, M and Cogswell, F and Colaço, F and Constantinescu, S and Costanzo, D and Crouau, M and Dadda, L and Daudon, F and David, J and David, M and Davidek, T and Dawson, J and De, K and Del Prete, T and De Santo, A and Di Girolamo, B and Dita, S and Dolejsi, J and Dolezal, Z and Downing, R and Dugne, J.-J and Efthymiopoulos, I and Engström, M and Errede, D and Errede, S and Evans, H and Fenyuk, A and Ferrer, A and Fristedt, A and Flaminio, V and Gallas, E and Gaspar, M and Gildemeister, O and Givoletto, M and Glagolev, V and Goggi, V.G and Gomes, A and Gong, S and Gouz, Y and Grabsky, V and Grieco, M and Hakopian, H and Haney, M and Hansen, M and Hellman, S and Henriques, A and Hentzell, H and Holmberg, T and Holmgren, S and Honoré, P.F and Huston, J and Ivanyushenkov, Yu and Jon-And, K and Juste, A and Kakurin, S and Karapetian, G and Karyukhin, A and ...
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 1998, Volume 403, Issue 1, pp. 98 - 114
Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out... 
Signal processing | Calorimetry | Read-out electronics | calorimetry | INSTRUMENTS & INSTRUMENTATION | MICROSYSTEM | signal processing | NUCLEAR SCIENCE & TECHNOLOGY | read-out electronics | PHYSICS, NUCLEAR | CALORIMETER | FIR | PHYSICS, PARTICLES & FIELDS | Instrumentation and Detectors | Physics
Journal Article
Proceedings of the International Joint Conference on Neural Networks, 2003, ISSN 1098-7576, 2003, Volume 1, pp. 797 - 802 vol.1
Principal component analysis (PCA) is a characteristic extraction method, whose main objective function is the reconstruction of the original data space. PCA... 
Data analysis | Minimization methods | Sonar | Signal processing | Vectors | Computational efficiency | Data mining | Image reconstruction | Equations | Principal component analysis
Conference Proceeding
2003 IEEE International Symposium on Circuits and Systems (ISCAS), 2003, Volume 5, pp. V - V
Satellite communication services have grown in recent years and the radiowave spectrum to support them is saturated. So, it is necessary to search for... 
Degradation | Rain | Atmospheric modeling | Neural networks | Artificial neural networks | Predictive models | Attenuation | Frequency | Satellite communication | Radio spectrum management
Conference Proceeding
2008 IEEE International Symposium on Circuits and Systems (ISCAS), ISSN 0271-4302, 05/2008, pp. 3005 - 3008
A novel particle discrimination strategy is proposed in this work for the ATLAS detector high-level trigger. The available data set, composed by electron and... 
Event detection | Filtering | Large Hadron Collider | Vector quantization | Neurons | Clustering algorithms | Independent component analysis | Detectors | Delay | Electrons
Conference Proceeding
Proceedings of the 32nd Midwest Symposium on Circuits and Systems, 1989, pp. 1202 - 1205 vol.2
A novel design method for signal flow graph (SFG) filters with finite zeros is presented. The method uses a minimum number of (equal) capacitors without... 
Operational amplifiers | Stability | Low pass filters | Capacitors | Summing circuits | Active filters | Filtering theory | Band pass filters | Flow graphs | Adders
Conference Proceeding
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