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 article introduces a new concept of a phased array that can independently and simultaneously perform beamsteering across two frequency ranges: a lower band encompassing 24 GHz and a ...
He and the other two hundred and ten passengers on Singapore Airlines Flight SQ321 had been in the air for more than ten hours. Their flight had taken off the night before from the United Kingdom, ...
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