Now showing items 1-2 of 2

  • Concentric annular-ring microstrip antenna with circular polarization 

    Ramirez, M.; Parrón, Josep; González Arbesú, José María; Gemio, J. (2011)
    Article
    Restricted access - publisher's policy
    In this letter,we present a concentric annular-ring microstrip antenna that covers the bands of Galileo (E5a, E5b, E1, E2, L1), GPS (L1, L2, L5), and GLONASS (L1, L3). This microstrip antenna is fed by four apertures ...
  • Multiscale compressed block decomposition for fast direct solution of method of moments linear system 

    Heldring, Alexander; Rius Casals, Juan Manuel; Tamayo Palau, José María; Parrón, Josep; Úbeda Farré, Eduard (2011-02)
    Article
    Restricted access - publisher's policy
    The multiscale compressed block decomposition algorithm (MS-CBD) is presented for highly accelerated direct (non iterative) solution of electromagnetic scattering and radiation problems with the method of moments (MoM). ...