Abstract: Phase Locked Loop (PLL) based on double second-order generalized integrator is widely used in grid-connected inverters to realize grid voltage synchronization and harmonic/inter-harmonics ...

MONTGOMERY, Ala. — A federal judge on Tuesday permanently blocked Alabama from executing an inmate with nitrogen gas after declaring the method violates the ban on cruel and unusual punishment.

Abstract: This paper proposes a novel architecture that efficiently integrates visual place recognition (VPR) and loop closure detection (LCD) into a unified system, evaluated on challenging outdoor ...

While Excel is ubiquitous, I prefer Python for my data analysis. Spreadsheets are great for formatting data, but it’s Python that’s allowed me to build my own super calculator out of regular Python ...

Mike Darnay is a digital producer and photojournalist at CBS Pittsburgh. Mike has also written and produced content for Vox Media and the Mon Valley Independent. He often covers overnight breaking ...