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Ridged horn antenna having additional corrugation

  • US 9,859,618 B2
  • Filed: 09/04/2015
  • Issued: 01/02/2018
  • Est. Priority Date: 09/05/2014
  • Status: Active Grant
First Claim
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1. A radiating element for an antenna system comprising:

  • an antenna element having an aperture that extends into the antenna element, wherein the antenna element includes;

    an aperture side defining an aperture area of the antenna element; and

    at least two ridges which are each oriented about a center of the antenna element and are arranged in crosswise orientation with respect to the center of the antenna element;

    a radiating element edge defining a rectangular contour that surrounds the antenna element on the aperture side; and

    a single corrugation configured to separate, at least on the aperture side, the antenna element and the surrounding radiating element edge;

    wherein;

    the radiating element edge is connected to the antenna element at a distance greater than zero from the aperture side of the antenna element;

    a width of the radiating element is less than λ

    , where λ

    is a wavelength of a center frequency in a used frequency band; and

    the antenna element is centrally arranged within the contour.

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