ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,229,653, issued on Feb. 18, was assigned to UNIVERSITY OF MARYLAND, COLLEGE PARK (College Park, Md.).

"Methods and apparatuses for implementing adaptive multi-trace carving to track signal traces" was invented by Qiang Zhu (College Park, Md.), Mingliang Chen (Greenbelt, Md.), Min Wu (Clarksville, Md.) and Chau-Wai Wong (Apex, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, apparatuses, and computer program products for tracking weak signal traces under severe noise and/or distortions. A method may include tracking at least one candidate frequency trace from a time-frequency representation of a signal. The method may also include id...