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    • Left-handed wire antennas over ground plane with wideband tuning 

      Herraiz Martínez, Francisco Javier; Hall, Peter S.; Liu, Qing; Segovia Vargas, Daniel (01/05/2011)
      Tunable left-handed (LH) wire antennas over a ground plane are presented in this paper. These antennas are small and have a wide tuning bandwidth and are matched to 50 ? within the operation range. Two kinds of antennas ...

    • Tunable left-handed monopole and loop antennas 

      Herraiz Martínez, Francisco Javier; Hall, Peter S.; Liu, Qing; Segovia Vargas, Daniel (Sin editorial (Charleston, Estados Unidos de América), 01/06/2009)
      Left-handed (LH) loading has been applied to printed wire antennas, such as dipole antennas and the loop antenna. These antennas are based on periodic LH cells. The resonant frequency depends on the components of the LH ...