نتایج جستجو برای: planar antennas
تعداد نتایج: 78484 فیلتر نتایج به سال:
The designs of dual band microstrip patch antennas because of their multi-functionality are becoming popular. Satellite mobile and fixed communication for Space Research, Met. Satellite, Radiolocation, Meteorological aids, aeronautical Radio navigation data and analysis has got lot of attentions in the recent years. Achieving selected multiband operation requires precise bandwidth and mutually ...
In this work, several reconfigurable antennas are presented and discussed. The antennas to be presented cover a wide range of designs such as fractal antennas, triangular antennas, dipoles and monopoles with variable sleeves. All these antennas make use of MEMS switches, to make them reconfigurable. Some of the challenges that the designer has to face in biasing and integrating these switches w...
Antennas used in glacial environmental sensor networks and reported the last two decades have been reviewed. A link budget framework for designing such antenna systems is presented to design an system deployment at Thwaites glacier, Antarctica. Design details of left hand circularly polarized cross dipole antennas, one englacial probes other supraglacial surface receivers are presented. The pro...
Comparison Analysis of Single Loop Resonator Based Miniaturized Triple-Band Planar Monopole Antennas
Ultra−WideBand (UWB) technology was approved by the Federal Communications Commission (FCC) in February 2002 (FCC, 2002). According to the FCC regulations, the frequency band from 3.1 to 10.6 GHz can be used for short−range and high speed wireless communications systems. This recent allocation of a very wide spectrum of frequencies for the devices uses, with effective isotropic radiated power (...
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