ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,824, issued on April 14, was assigned to BAE Systems Information and Electronic Systems Integration Inc. (Nashua, N.H.).

"Estimation of relative velocity between transmitter and receiver" was invented by Brandt J. Lomen (Bedford, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are provided for estimation of relative velocity between a receiver platform and a transmitter platform. A methodology implementing the techniques according to an embodiment includes measuring a first time of arrival, a first phase, and a frequency of a first radar pulse received from the transmitter platform. The method also includes measuring a second time of...