Abstract: Co-prime arrays achieve a significant number of virtual arrays in the same physical sensors by different co-arrays. There are, however, many existing methods that do not utilize all the ...

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 ...

From the browser to the back end, the ‘boring’ choice is exciting again. We look at three trends converging to bring SQL back ...