Abstract: This work compares the effectiveness of four image reconstruction techniques for a ring-array photoacoustic computed tomography (PACT) system: the delay-and-sum (DAS), the interpolated model ...

When it was shared: Dec. 16, 2025. Go outside after dark this winter and look to the southeast, and you'll see some of the brightest stars in the night sky — Orion's Belt, Betelgeuse, Sirius, ...

Abstract: This article presents a novel constellation modeling method for fast and accurate calibration of beamforming integrated circuits (BFICs) and radio frequency (RF) chains in large-scale phased ...

What happens when a cat doesn’t want to be friendly? This Instagram video shows how two Golden Retrievers try to befriend their cat sibling, but fail miserably. According to the caption, Molly and ...