Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...

Abstract: This paper introduces an innovative low-cost, wide-angle beam-scanning digitally reconfigurable intelligent array that leverages the co-manipulation of both the element factor and array ...

Key elements of the Trump administration’s arguments this week for another military campaign against Iran do not hold up. By Mark Mazzetti Edward Wong David E. Sanger and Julian E. Barnes Reporting ...