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An isofrequency RF repeater operating at 5 GHz (WIMAX band) using pixeled parasitic elements to enhance the isolation level between the receiving (Rx) and the transmiting (Tx) antennas is presented. The design consists of two back to back active dipole antennas separated by a metallic reflector plane. A set of reconfigurable parasitic pixeled dipole strips are placed between the metallic reflector...
In this paper an LPV non-integer order control Hayami model of an irrigation canal is derived from system identification experiments. This model is physically deduced by the simplification of Saint-Venant equations and experimentally obtained by using the described LPV fractional identification procedure. This procedure consists on the identification of a non-linear order model in each operation point...
The CLIC damping ring requires wigglers with both high on-axis fields and short periods. The present design foresees a superconductive wiggler with a period length of 5 cm, a peak on-axis field of 2.5 T and a full aperture of 12 mm. In this paper we explore the performance improvements of the damping ring when these parameters are pushed to 2.7 T at a period length of 2 cm with the expense of a reduced...
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