US Patent Issued to UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA on Oct. 21 for "Ambiguity mitigation for FMCW lidar system" (Virginia Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,538, issued on Oct. 21, was assigned to UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA (Washington).

"Ambiguity mitigation for FMCW lidar system" was invented by Diego F. Pierrottet (Poquoson, Va.), Glenn D. Hines (Yorktown, Va.) and Farzin Amzajerdian (Yorktown, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An FMCW Doppler lidar system and method for use in a host vehicle includes a laser system, lenses, a homodyne receiver, and a signal processing unit (SPU). The laser beam is modulated to generate a frequency waveform with three segments, i.e., Doppler, up-ramp, and down-ramp. The lenses transmit laser beams toward a ta...