Calibration of large phased arrays using fourier gauge
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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Abstract
Methods and apparatus for a calibration system including a support structure movable over an array, a super-element secured to the support structure to obtain information at selected locations in relation to the array, and a processor to compute a sum of voltages for determining a level of calibration for the array.
51 Citations
17 Claims
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method, comprising:
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positioning a calibrator to positions over an array comprising elements, wherein the positions are along a first axis with substantially no position change along second and third axes, wherein the first, second and third axes define a three-dimensional space; receiving responses at the calibrator for the positions of the calibrator; and computing, using a computer processor, a vector sum of voltages from the responses at the calibrator to determine a level of calibration of the array elements, wherein the sum provides a virtual super-element that runs a length of the array along the first axis. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An article, comprising:
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a non-transitory computer-readable medium having stored instruction that enable a machine to perform; positioning a calibrator to positions over an array comprising elements, wherein the positions are along a first axis with substantially no position change along second and third axes, wherein the first, second and third axes define a three-dimensional space; receiving responses at the calibrator for the positions of the calibrator; and computing, using a computer processor, a vector sum of voltages from the responses at the calibrator to determine a level of calibration of the array elements, wherein the sum provides a virtual super-element that runs a length of the array along the first axis. - View Dependent Claims (17)
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Specification