Abstract: Signal separation is one of the research hotspots in the field of modern signal processing. Aiming at the practical problem of unknown number of source signals, an improved blind signal ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Jan. 9, 2026 Stanford researchers have developed an AI that can predict future disease risk using data from just one night of sleep. The system analyzes detailed physiological signals, looking for ...