Distributed time and frequency difference of arrival tracking in clutter

Abstract

We consider passive surveillance using time and frequency difference of arrival signals received by mobile receiver pairs. Signals received by a pair of receivers are correlated in time and frequency, followed by a detection process. In addition to the target (emitter) measurements, we may also create a number of spurious detections in each scan. This paper considers local (distributed) tracking using these measurements, with the main purpose of eliminating spurious measurements and enhancing the emitter detection.