Abstract: This article considers tracking multiple underwater targets using active sonar sensors. The fundamental problem of underwater multiple target tracking is unknown data association between ...

Abstract: The Nyquist folding receiver (NYFR) is a new ultra-wideband (UWB) sensing structure that can sense signals in an UWB space. Since linear frequency modulation (LFM) signal is widely used in ...

Researchers have come up with a potentially groundbreaking — and entirely laser-free — alternative to LASIK, a popular surgical procedure that uses high-power lasers to reshape the cornea to correct ...