Sparse and virtual array processing for rolling axle array system
First Claim
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1. A method of processing radar signals, comprising the steps of:
- receiving echo returns from a radar beam using a plurality of radiating elements, each radiating element having a respectively different motion vector from every other one of the plurality of radiating elements; and
compensating for said respectively different motion vectors by performing motion compensation on the echo returns.
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Abstract
A radar signal processing system comprises a processor that determines a respective position of each of a plurality of radiating elements included in a radar array. Each radiating element has a respectively different motion vector from every other one of the plurality of radiating elements. A receive beamformer receives echo returns from a radar beam by way of the plurality of radiating elements and performs motion compensation on the echo returns.
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Citations
31 Claims
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1. A method of processing radar signals, comprising the steps of:
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receiving echo returns from a radar beam using a plurality of radiating elements, each radiating element having a respectively different motion vector from every other one of the plurality of radiating elements; and compensating for said respectively different motion vectors by performing motion compensation on the echo returns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of processing radar signals, comprising the steps of:
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receiving echo returns from a radar beam using an array that has a face with a plurality of radiating elements, the array rotating about an axis normal to the face; and compensating for the rotation of the array by performing motion compensation on the echo returns. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A radar signal processing system, comprising:
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a processor that determines a respective position of each of a plurality of radiating elements included in a radar array, each radiating element having a respectively different motion vector from every other one of the plurality of radiating elements; and a receive beamformer that receives echo returns from a radar beam by way of the plurality of radiating elements, the receive beamformer compensating for the respectively different motion vectors by performing motion compensation on the echo returns. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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25. A radar signal processing system, comprising:
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a processor that determines a respective position of each of a plurality of radiating elements included in a radar array that rotates about an axis normal to a face of the radar array; and a receive beamformer that receives echo returns from a radar beam by way of the plurality of radiating elements, the beamformer compensating for the rotation of the radar array by performing motion compensation on the echo returns. - View Dependent Claims (26, 27, 28, 29, 30)
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31. A radar system, comprising:
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a radar array that rotates about an axis normal to a face of the radar array, the face having a plurality of radiating elements; a processor that determines a respective position of each of the plurality of radiating elements; and a receive beamformer that receives echo returns from a radar beam by way of the plurality of radiating elements, the beamformer compensating for the rotation of the array by performing motion compensation on the echo returns.
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Specification