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Apparatus and Method of a Dual Polarized Broadband Agile Cylindrical Antenna Array with Reconfigurable Radial Waveguides

  • US 20150380814A1
  • Filed: 06/30/2014
  • Published: 12/31/2015
  • Est. Priority Date: 06/30/2014
  • Status: Active Grant
First Claim
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1. A radial waveguide structure in an antenna comprising:

  • a first radial plate;

    a second radial plate substantially in parallel with the first radial plate;

    a plurality of conductive elements positioned vertically and distributed radially between the first radial plate and the second radial plate, wherein the conductive elements are connected to micro-strips and tunable elements; and

    a plurality of quarter radio frequency (RF) chokes, wherein the RF chokes are connected to the conductive elements via the micro-strips and the tunable elements,wherein the first radial plate and the second plate are separated by a height determined according to a desired transmission frequency range for RF signals, a length of the micro-strips, a diameter of the conductive elements, and a diameter of a clearance space around each one of the conductive elements.

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