Abstract: In this work, we consider a challenging circular and noncircular signal direction-of-arrival (DOA) estimation problem in arbitrary sparse arrays. The problem is formulated as a regression ...

A new study from the University of Eastern Finland shows that the transition toward a circular plastics economy is hindered by systemic interdependencies and internal contradictions within ecosystems.

Superconductivity, a phenomenon in which electricity flows without resistance, is considered the core of quantum computers ...