Abstract: In this paper, to obtain high efficiency and performance in a wireless communication system, a multi-active Simultaneously Transmitting and Reflecting Reconfigurable Intelligent Surface ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Abstract: High-resolution, large-scene optical and SAR image registration is a fundamental task in remote sensing data processing, but it faces two main challenges: significant nonlinear radiometric ...

The prospect of soaring health care costs could exacerbate Americans’ feelings about affordability, an issue that President Trump has tried to downplay. But Democrats plan to keep the issue front and ...