Just a few years ago, many researchers in quantum computing thought it would take several decades to develop machines that ...

Abstract: As one of the lifelines of the national economy, the stable operation of railway facilities is particularly important. However, judging from the current situation, the railway inspection ...

Abstract: A reconfigurable intelligent surface (RIS) comprises a large number of low-cost reflecting elements that can collectively steer the incident signal through passive beamforming, dynamically ...