A detailed radar image of the Maine coast captured by a new Earth-mapping satellite is among the first to be shared by NASA. The image, captured on Aug. 21, shows Mount Desert Island. Dark areas of ...

Abstract: Antenna arrays are widely acknowledged for their exceptional directionality and spectral efficiency, pivotal in modern wireless communication technologies. Numerous innovations have emerged ...

Abstract: This paper primarily introduces the vortex wave radar based on a circular frequency diverse antenna (FDA) array and analyzes the research on the propagation distance and patterns of vortex ...

Nvidia on Monday said it will invest as much as $100 billion in OpenAI to help the ChatGPT maker support a massive build-out of data centers equipped with Nvidia’s chips — a deal that some analysts ...