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ETRI journal v.27 no.3, 2005년, pp.250 - 256  

Dice-Five Polarization-Agile Corner-Fed Patch Array Antenna

Vallecchi, Andrea    (Department of Electronics and Telecommunications, University of Florence  );
  • 초록

    A novel planar polarization-agile microstrip subarray is proposed and its performance assessed by a thorough numerical investigation. The subarray consists of five square patches with a central element, directly coupled to a pair of microstrip feed lines by a cross-shaped aperture, which spreads the power outwards to the other patches through a network of suitable connections. By properly exciting the antenna at its input ports, any kind of polarization of the radiated field can be accomplished with fairly low cross-polarization levels. Moreover, since only two feed lines are required to drive the whole subarray, polarization agility is simply and attractively achieved by a single phase-shift circuit. The design concept is described and the results of the analyses and simulations performed by two completely independent full-wave approaches are presented and discussed.


  • 주제어

    Polarization agility .   microstrip antennas .   planar arrays .   aperture-coupled patch.  

  • 참고문헌 (14)

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