公开(公告)号：US20200158820A1

公开(公告)日：2020-05-21

申请号：US16679404

申请日：2019-11-11

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Muhammad Zubair IKRAM ,  Adeel AHMAD

IPC: G01S7/40 ,  G01S13/93 ,  G01S13/06 ,  G01S7/41

Abstract: A device includes one or more processors configured to receive radar data, and generate a plurality of occupancy grid maps based on the radar data. Each of the occupancy grid maps corresponds to a respective one of a plurality of candidate angles. The one or more processors is also configured to select one of the candidate angles as a sensor mount angle based on the occupancy grid maps, and trigger an action based on the sensor mount angle and the radar data.

公开(公告)号：US20230026149A1

公开(公告)日：2023-01-26

申请号：US17950627

申请日：2022-09-22

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Muhammad Zubair IKRAM ,  Adeel AHMAD

IPC: G01S7/40 ,  G01S13/06 ,  G01S7/41 ,  G01S13/931

Abstract: A device includes one or more processors configured to receive radar data, and generate a plurality of occupancy grid maps based on the radar data. Each of the occupancy grid maps corresponds to a respective one of a plurality of candidate angles. The one or more processors is also configured to select one of the candidate angles as a sensor mount angle based on the occupancy grid maps, and trigger an action based on the sensor mount angle and the radar data.

公开(公告)号：US20200158840A1

公开(公告)日：2020-05-21

申请号：US16689647

申请日：2019-11-20

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Muhammad Zubair IKRAM ,  Do-Kyoung KWON

IPC: G01S7/497 ,  G01S7/40 ,  G01S13/93 ,  G01S17/93 ,  G06T7/70 ,  G06T7/80 ,  G06T7/90

Abstract: A method for multi-sensor calibration includes imaging a calibration target with a first sensor using a first modality to obtain a first set of data and a second sensor using a second modality that is different from the first modality to obtain a second set of data. A border of the calibration target is identified based on the first set of data. A first centroid location of the calibration target is identified based on the border of the calibration target. A border of a pattern disposed on the calibration target is identified based on the second set of data. A second centroid location of the calibration target is identified based on the border of the pattern. Calibration data for the first sensor and the second sensor is generated based on the first centroid location and the second centroid location.

公开(公告)号：US20190178987A1

公开(公告)日：2019-06-13

申请号：US16201726

申请日：2018-11-27

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Muhammad Zubair IKRAM ,  Adeel AHMAD ,  Dan WANG ,  Murtaza ALI

IPC: G01S7/35 ,  G01S13/34

Abstract: An apparatus, including processing unit (PU) cores and computer readable storage devices storing machine instructions for determining a distance between a target object and a radar sensor circuit. The PU cores receive a beat signal generated by the radar sensor circuit and compensate for a phase difference between the received beat signal and a reconstruction of the received beat signal to obtain a phase compensated beat signal. The phase compensated beat signal is then filtered to remove spurious reflections by demodulating the phase compensated beat signal using an estimated frequency of the phase compensated beat signal. The PU cores then apply a low pass filter to the demodulated phase compensated beat signal, resulting in a modified beat signal. The PU cores then determine the distance between the target object and the radar sensor circuit using the modified beat signal.