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公开(公告)号：US11585892B1
公开(公告)日：2023-02-21
申请号：US16862102
申请日：2020-04-29
摘要： A method includes generating emitted signals using transmitter elements and measuring received signals using receiver elements. The received signals are reflected portions of the emitted signals and the received signals correspond to one or more targets. The method also includes applying a first matched filter to the received signals to determine range information for the received signals, filtering the received signals based on the range information to define filtered signals, and determining calibration parameters using the filtered signals. The method also includes correcting the received signals using the calibration parameters to define calibrated signals and determining angle of arrival information for the received signals using the calibrated signals.
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公开(公告)号：US10247816B1
公开(公告)日：2019-04-02
申请号：US15203731
申请日：2016-07-06
申请人： Gabriel M. Hoffmann , Christopher D. Gadda , David A. Stronks , Ahmad Al-Dahle , Gregory E. Rogers
发明人： Gabriel M. Hoffmann , Christopher D. Gadda , David A. Stronks , Ahmad Al-Dahle , Gregory E. Rogers
摘要： Aspects of the present disclosure involve a method for determining a road vehicle velocity and slip angle. The current disclosure presents a technique for identifying a vehicle's velocity and slip angle, in the vehicle's coordinate frame. In one embodiment, two or more sensors are orthogonally located on the underside of the vehicle in order to obtain longitudinal and lateral velocity information for slip angle determination. In another embodiment, the two or more sensors can include an array of elements for beam steering and receiver beamforming. Spatial diversity is leveraged in identifying at least a slip angle and/or velocity of the vehicle. Doppler mapping is used as a means for slip angle determination and the clutter ridge of the Doppler map is embraced for identifying the slip angle.
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