Search Results - "Caloba, LP"

Pattern recognition of weld defects detected by radiographic test by da Silva, Romeu R., Calôba, Luiz P., Siqueira, Marcio H.S., Rebello, João M.A.

“…In recent years there has been a marked advance in the research for the development of an automatized system to analyze weld defects detected by radiographs…”
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Estimated accuracy of classification of defects detected in welded joints by radiographic tests by da Silva, Romeu R., Siqueira, Marcio H.S., de Souza, Marcos Paulo Vieira, Rebello, João M.A., Calôba, Luiz P.

“…Over the last two decades, there has been a considerably increase in the number of publications of research projects for the detection and classification of…”
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A fast active linear gate for experiments in nuclear and particle physics by Cerqueira, A.S., Jose Manoel de Seixas, Caloba, L.P.

“…This paper presents an active linear gate that is able to transmit fast pulses with minimum distortion. The gate exhibits switching times better than 3 ns,…”
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An Improved Neural Network Procedure for Assessing Accelerated Aging of Hydrogenerator Stator Bars by Gleizer, H, Caloba, L P, Mannheimer, W A, Nelson, J K

“…This work presents an assessment of the capability of artificial neural networks to analyze the aging of hydrogenerator stator bar insulation. Four stator bars…”
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Neural feature extraction for calorimeters based on optimum weighting procedures by Seixas, J.M, Calôba, L.P, Linhares, R, Kastrup, B

“…Neural feature extraction for calorimeters is addressed for the second-level trigger design at LHC environment. Different techniques are developed for defining…”
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A neural online triggering system based on parallel processing by Seixas, J.M., Caloba, L.P., Anjos, A.R., Kastrup, B., Dantas, A.C.H., Linhares, R.

“…The study of a prototype of the second-level triggering system for operation at LHC conditions is addressed by means of a parallel machine implementation. The…”
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Averaging spectra to improve the classification of the noise radiated by ships using neural networks by Soares-Filho, W., Manoel de Seixas, J., Pereira Caloba, L.

“…The noise radiated from ships in the ocean contains information about their machinery, being normally used for detection and identification purposes. In this…”
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Neural second-level trigger system based on calorimetry by Seixas, J.M., Caloba, L.P., Souza, M.N., Braga, A.L., Rodrigues, A.P.

“…A second-level triggering system based on calorimetry is analyzed using neural networks. Calorimeter data in a LHC environment is obtained with Monte Carlo…”
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Optimal gain overdesign in analog filters by De Queiroz, Antônio C. M., Calôba, Luiz P.

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A neural mapping for improving the performance of a high-energy calorimeter by Seixas, J.M., da Silva, P.V.M., Caloba, L.P.

“…For a scintillating calorimeter, which is being designed to perform energy measurements in a next-generation high-energy collider experiment, a neural mapping…”
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Hybrid neural-phenomenological sub-models and its application to Earth-space path signal attenuation prediction by Caloba, L.P., Alencar, G.A., Assis, M.S.

“…Neural models may be very precise but, being numerical, provide only limited contribution to the understanding of the phenomenological process, contrary to…”
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An accurate and fast neural method for PCA extraction by Souza Filho, J.B.O., Caloba, L.P., Seixas, J.M.

“…Principal component analysis (PCA) is a characteristic extraction method, whose main objective function is the reconstruction of the original data space. PCA…”
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Arrhythmia analysis using artificial neural network and decimated electrocardiographic data by Melo, S.L., Caloba, L.P., Nadal, J.

“…This work shows an artificial neural network using the Kohonen Layer architecture in a modified approach to support supervised learning, and the evaluation of…”
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Finite zeros active filters with minimum number of capacitors by Caloba, L.P.

“…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…”
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Stability and active compensation of OTA-C continuous time high frequency filters by Baruqui, F., Caloba, L.P.

“…The frequency dependence of the operational transconductance amplifier (OTA) is the main problem in high-frequency OTA-C filters, and may produce transfer…”
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Statistical prediction of errors in the localization of poles and zeros by sensitivity analysis by de Queiroz, A.C.M., Caloba, L.P.

“…The paper discusses an accurate method for the prediction of where in the complex plane the poles and zeros of a transfer function of a linear circuit will be,…”
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A high performance balanced MOS transconductor by Schechtman, J., De Queiroz, A.C.M., Caloba, L.P.

“…An easily tunable high frequency balanced transconductor without internal nodes and with a low output conductance is presented. The structure uses only 7 MOS…”
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Optimal filter overdesign by de Queiroz, A.C.M., Caloba, L.P.

“…This paper presents a method for the overdesign of gain-shaping filters in an optimal way. The passband minima and the stopband maxima of a filter…”
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Nodal analysis of switched-current filters by de Queiroz, A.C.M., Pinheiro, P.R.M., Caloba, L.P.

“…An efficient and relatively simple approach to the systematic analysis of ideal, or near-ideal, switched-current filters is described. The technique is based…”
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On symmetric lattice digital-filter synthesis by Sarcinelli, M., Diniz, P.S.R., Caloba, L.P.

“…The proposed symmetric lattice structures are shown to be free of zero-input limit cycles and by appropriately modifying them, constant-input limit cycles can…”
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