Submissões recentes

  • Antenas de microlinha multibanda

    Geraldo, Felipe de Castro Autor UNESP (Universidade Estadual Paulista (UNESP), 2018) [Trabalho de conclusão de curso]
    Modern wireless communications systems are going through a period of great growth and innovation that is because the development of new technologies. Nowadays, microstrip antennas are being demanded by the market due to ...
  • Relações diferenciais entre tensões e correntes de circuitos π com resistência de amortecimento

    Jús, Luis Henrique Autor UNESP (Universidade Estadual Paulista (UNESP), 2018) [Trabalho de conclusão de curso]
    This paper describes the mathematical modeling of a single phase transmission line based on electrical circuits described by concentrated and frequency independent parameters. This single-phase representation of a transmission ...
  • Influência da resistência de amortecimento em transitórios eletromagnéticos utilizando cascatas de circuitos π: comparação entre diferentes estruturas

    Santos, Melissa de Oliveira Autor UNESP (Universidade Estadual Paulista (UNESP), 2018) [Trabalho de conclusão de curso]
    The study of transmission lines is fundamental, but it is impracticable to perform measurements on real transmission lines, so it is necessary to apply numerical models. Currently, the simplest way to model a transmission ...
  • Desempenho de redes cooperativas full-duplex baseadas em NOMA e seleção parcial de relays

    Tregancini Junior, Anderson Autor UNESP (Universidade Estadual Paulista (UNESP), 2018) [Trabalho de conclusão de curso]
    With the rapidly increasing demand for wireless-based applications and services, the need to efficiently exploit the radio spectrum is imperative. In addition, fifth-generation (5G) networks must satisfy some requirements ...
  • Técnicas de múltiplo acesso para redes LORAWAN

    Dellalibera, Leonardo Arten Autor UNESP (Universidade Estadual Paulista (UNESP), 2018) [Trabalho de conclusão de curso]
    In this work a study of LPWAN networks and their main proprietary technologies, Sigfox and LoRa, will be realized with the objective of presenting channel access techniques for LoRaWAN networks. Initially a study of LPWAN ...
  • Codificação de canal para redes 5G utilizando códigos polares

    Martão, Vanessa Beatriz Autor UNESP (Universidade Estadual Paulista (UNESP), 2018) [Trabalho de conclusão de curso]
    Polar codes are linear block codes with low computational cost that have great potential to be used in 5G technology, due to evidence that it achieves the Shannon's channel capacity. These codes are essentially binary, ...
  • Characterization of grazing bifurcation in airfoils with control surface freeplay nonlinearity

    Vasconcellos, Rui M. G. Autor UNESP; Abdelkefi, Abdessattar; Marques, Flavio D.; Hajj, Muhammad R. (Eurodyn 2014: Ix International Conference On Structural Dynamics, 2014) [Trabalho apresentado em evento]
    A variety of nonlinear features is obtained from aeroelastic systems with discontinuous nonlinearity motivates investigations that may support future applications in controls design, flutter prediction problems, and energy ...
  • Influence of structural nonlinearities in stall-induced aeroelastic response of pitching airfoils

    Pereira, Daniel A.; Vasconcellos, Rui M. G. Autor UNESP; Marques, Flávio D. (Eurodyn 2014: Ix International Conference On Structural Dynamics, 2014) [Trabalho apresentado em evento]
    Stall-induced vibrations are a relevant aeroelastic problem for very flexible aero-structures. Helicopter blades, wind turbines, or other rotating components are severely inflicted to vibrate in stall condition during each ...
  • Compressible modes in a square lid-driven cavity

    Bergamo, Leandro Fernandes; Gennaro, Elmer Mateus Autor UNESP; Theofilis, Vassilis; Medeiros, Marcello Augusto Faraco (Aerospace Science And Technology, 2015) [Artigo]
    This paper studies the effect of compressibility on the linear stability of a two-dimensional lid-driven cavity flow in the subsonic regime. The base flow is generated by high fidelity direct numerical simulation and a ...
  • A study of the errors of the averaged models in the restricted three-body problem in a short time scale

    Domingos, Rita de Cássia Autor UNESP; Prado, Antonio Fernando Bertachini de Almeida; Moraes, Rodolpho Vilhena de (Computational and Applied Mathematics, 2015) [Artigo]
    The objective of the present research is to study the accuracy of the double- and single-averaged models that are usually considered to predict the motion of spacecrafts or celestial bodies that have their motion perturbed ...