DSpace/Manakin Repository

Navegação Mestrado em Engenharia Elétrica. por título

Navegação Mestrado em Engenharia Elétrica. por título

Classificar por: Ordenar: Resultados:

  • BERNARDINO JÚNIOR, F. M.; http://lattes.cnpq.br/1934903225521860; BERNARDINO JÚNIOR, Francisco Madeiro. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1998-03-06)
    Vector quantization has been widely used as an excellent technique for signal compression, specially voice and image. I n this work two techniques for vector quantizers design are presented. The first technique concerns ...
  • SILVA, A. J. S.; http://lattes.cnpq.br/7349407407222335; SILVA, Adailton José Santos. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1992-12-13)
    The use of Vector Quantization in voice coding has been of great interest to researchers in the field, due to the possibility of coding voice signals at rates as low as 800 bits / s. This work deals with the basic principles ...
  • LOBO, P. C.; http://lattes.cnpq.br/6514989486185329; LOBO, Petrov Crescencio. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2015-03)
    For the measurement of physical quantities, such as radiation, H, velocity fluids, v, and temperature, Ta, there are settings based on thermoresistive sensors, which use the principle of electrical equivalence. Among the ...
  • SOUZA, M. A.; SOUZA, Micael Andrade. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2019-03-13)
    The quantum secret key distribution is one of the main practical applications of quantum information theory, making use of quantum mechanics laws’ to ensure unconditional se- curity on information transmission through ...
  • FONTAN, D. M. S.; http://lattes.cnpq.br/5790419680477292; FONTAN, Djane Maria Soares. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2008-02)
    An optimization method based on Genetic Algorithms is proposed in order to solve problems of reconfiguration and restoration of radial electric power distribution systems. The binary encoding was used and to reduce the ...
  • CORREIA, S.E.N.; http://lattes.cnpq.br/8845965627299767; CORREIA, Suzete Élida Nóbrega. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2000-07)
    The automatic recognition of handwritten numerical characters has been a research topic extensively studied in the last two decades because both of its theoretical value in pattern recognition and its potential for ...
  • VELOSO, L. R.; http://lattes.cnpq.br/2498050002491677; VELOSO, Luciana Ribeiro. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1998-07-08)
    Off-line handwritten numeral recognition systems can be used in the analysis of document images for several commercial and industrial applications. This work concerns the analysis, implementation and evaluation of two ...
  • COSTA, W. C. A.; http://lattes.cnpq.br/1500837828145888; COSTA, Washington César de Almeida. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1994-06-20)
    This dissertation presents a theoretical study and the software implementation of a speech recognition system, based on Hidden Markov Models (HMM's). HMM is a mathematical tool that makes it possible modeling of the ...
  • CORTEZ, P. C.; http://lattes.cnpq.br/5024602152304064; CORTEZ, Paulo César. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1992-08-21)
    This dissertation presents a system capable of recognizing and locating objects in two-dimensional, isolated or overlapping, using the global and local attributes extracted from the polygonal models of the objects. The ...
  • SILVEIRA, T. M.; SILVEIRA, TAGLEORGE.; SILVEIRA, TAGLEORGE M.; http://lattes.cnpq.br/9873467595464104; SILVEIRA, Tagleorge Marques. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2018-07-26)
    The transmission lines are fundamental elements in the interconnection of the basic networks in the electrical systems. For safety and regulatory purposes, such lines should have signaling beads in some of their sections ...
  • SANTOS, E. A.; http://lattes.cnpq.br/2512401304880772; SANTOS, Eline Alves. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2009-04)
    Wireless sensor networks are usually composed of a large number of sensor nodes densely deployed to monitor an environment. In a distributed classification problem, each sensor node sends, based on its observation, a ...
  • MELO, É. C. A.; MELO, ERICO C. A.; MELO, ERICO CASTRO A.; http://lattes.cnpq.br/1619467619924858; MELO, Érico Castro de Albuquerque. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2019-04-24)
  • SANTOS JÚNIOR, G. G. S.; http://lattes.cnpq.br/0204301941083935; SANTOS JÚNIOR, Gutemberg Gonçalves dos. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2009-05-08)
    The establishment of a speech-based communication interface between humans and computers has been pursued since the beginning of the computer era. Several studies have been made over the last six decades in order to ...
  • LIMA, I. A.; http://lattes.cnpq.br/6865119422219899; LIMA, Ísis de Andrade. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2014-03-28)
    One of the main problems in the development of filters for speech signals is performance evaluation. It is not possible to evaluate the technique only by the obtained SNR analysis, because the quality of the filtered ...
  • SANTOS, E. M. R.; http://lattes.cnpq.br/8154659739570375; SANTOS, Emmanuel Moura Reis. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2014)
    There is a major concern of government agencies in maintaining the reliability of the Brazilian system of power generation due to the fact 80% of this energy is arising from hydroelectric power plants, of which 50% have ...
  • NEVES, W. L. A.; http://lattes.cnpq.br/3107104665517286; NEVES, Washington Luís Araújo. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 1982-02)
    The objective of this study was similar to the step response of a measurement system that uses the capacitive potential divider of the UFPB Alata Tenão laboratory (LAT), and to compare the results with the step response ...
  • CARLOS, G. A. A.; http://lattes.cnpq.br/4976542803553991; CARLOS, Gregory Arthur de Almeida. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2012-07)
    There are several types of disturbances that can cause a malfunction of an electrical system, which characterizes it as a low power power source. Among these problems, we can highlight the voltage sags and swells. One ...
  • DONATO, R. S.; http://lattes.cnpq.br/6967181193550539; DONATO, Robson de Souza. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2022-07-25)
    In some single-phase systems, power decoupling is necessary to balance the difference between constant power at load side and double frequency pulsating power at AC side. The balance power is generally handled by passive ...
  • AGUIAR, M. H.; AGUIAR, Márlius Hudson de.; http://lattes.cnpq.br/9091881484708034; AGUIAR, Marlius Hudson de. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2019-11-29)
    ln this work, it is developed and analysed a modification of the convencional rectifier Zeta to implement power decoupling, looking for minimizing output filter capacitance and flexing the manipulation of output and input ...
  • VIEIRA, P. K. P.; http://lattes.cnpq.br/8675086524472541; VIEIRA, Paula Karina Perez. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2012-11)
    This work aimed to develop a mathematical model capable of representing the dynamic behavior of a zinc oxide varistor. To achieve such goal, system identification techniques were employed to propose a model that is able ...

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