The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.

Abstract: In radar detection, small and slow targets are easily overwhelmed by strong clutter. Traditional methods, such as singular value decomposition (SVD) and robust principal component analysis ...

Abstract: The rapid development of the low-altitude economy has made reliable unmanned aerial vehicle surveillance in urban and field areas a critical task. For frequency-modulated continuous-wave ...