Patent ID: 11921193
Assignee: UNIVERSITY OF WASHINGTON
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. A method for imaging a scene, the method comprising:
modulating a plurality of radio frequency signals using a plurality of digital symbols comprising balanced codes to provide a plurality of illumination signals;
illuminating the scene with the plurality of illumination signals using a plurality of antennas;
receiving, using a plurality of direct conversion receivers configured to provide receiver output, the receiver output comprising energy from scattered illumination signals resulting in part from scattering of the plurality of illumination signals from the scene and in part from self-jamming signals;
generating image data associated with the scene based on the energy from the scattered illumination signals, wherein generating the image data associated with the scene comprises adjusting the receiver output using complex values obtained during a system calibration; and
conducting the system calibration prior to, or subsequent to, generation of the receiver output.