RADON transform automotive synthetic aperture radar

• Main Authors: LONGMAN OREN, BILIK IGAL
• Format: Patent
• Language: Chinese; English
• Published: 27.09.2022
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SURVEYING; TESTING

A method of performing a maneuver in a land vehicle using a synthetic aperture radar (SAR) is provided. The method comprises the following steps: receiving digital radar echo data transmitted by a radar from a vehicle-mounted synthetic aperture radar; accumulating a plurality of frames of the digitized radar echo data; a RADON transform is applied to the accumulated plurality of frames of digitized radar echo data and odometer data from the vehicle to generate transformed frames of data for each three-dimensional point, where the RADON transform is configured to perform coherent accumulation on each three-dimensional point, project a radar trajectory onto each three-dimensional point, and generate transformed frames of data for each three-dimensional point. Doppler information is projected to each three-dimensional point; generating a two-dimensional map of the area covered by the radar transmission from the synthetic aperture radar based on the transformed frames of the data of each three-dimensional point;