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Phased array antenna intermodulation suppression beam smearing method

  • US 20060084378A1
  • Filed: 10/12/2004
  • Published: 04/20/2006
  • Est. Priority Date: 10/12/2004
  • Status: Active Grant
First Claim
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1. A method for beam smearing an antenna beam communicating signals at respective carrier frequencies, the signals communicated through antenna elements of a phased array antenna, the method comprising the steps of, dividing the phased array antenna into subarray comprising respective array elements each being portions of the antenna elements, steering the antenna beam in a direction by equal phase shifting the carrier frequencies for the antenna elements, phase smearing the antenna beam by respective uniform phase shifts of the carrier frequencies for the respective subarray elements, and angle smearing the antenna beam by respective gradient phase shifts of the carrier frequencies for the respective subarray elements.

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