ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,312, issued on May 12, was assigned to BAE Systems Information and Electronic Systems Integration Inc. (Nashua, N.H.).

"Multi-Nyquist correlator for frequency measurement" was invented by Michael A. Zalucki (Hollis, N.H.), Daniel Wasson (Billerica, Mass.) and Anthony J. Crawford (Milford, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-Nyquist correlator. An example system includes a first analog to digital converter (ADC) configured to operate at a first sampling frequency and a second ADC configured to operate at a second sampling frequency different from the first sampling frequency. Each of first and second ADCs may receive a pluralit...