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Calibration of large phased arrays using fourier gauge

  • US 9,019,153 B1
  • Filed: 12/20/2011
  • Issued: 04/28/2015
  • Est. Priority Date: 12/20/2011
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a calibration system, comprising;

    a support structure movable over an array comprising elements;

    a calibrator secured to the support structure to obtain information at selected locations in relation to the array, wherein the locations are along a first axis with substantially no change along second and third axes, wherein the first, second, and third axes define a three-dimensional space; and

    a calibration module comprising a computer processor to compute a sum of voltages from the information for the locations of the calibrator with respect to the array for determining a level of calibration for the elements in the array, wherein the sum provides a virtual super-element that runs a length of the array along the first axis.

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