Abstract: In this paper, we propose a novel off-grid direction-of-arrival (DOA) estimation method in large-scale semi-passive reconfigurable intelligent surface (RIS) environments, utilizing quadratic ...

This video is a complete art history research guide designed specifically for artists who draw. You will learn how to study paintings, sculptures, and sketches in a way that improves your technical ...

In alignment with decarbonization efforts, there has been widespread global interest in renewable energy sources such as wind and solar, which are connected to the grid via grid-connected inverters.