Abstract: Sparse arrays designed based on fourth-order difference co-array (DCA) can achieve significantly higher uniform degrees-of-freedom (uDOFs). However, most existing fourth-order sparse arrays ...

Abstract: This article proposes a full-metal omnidirectional series-fed filtenna array. The antenna is primarily composed of an outer metal shell, a built-in metal post and three pairs of open-circuit ...

Chicago Mayor Brandon Johnson (D) signed an executive order Monday banning federal immigration officials from using city property in their operations. The order prevents Immigration and Customs ...

The Hokies fell to 2-4 Saturday afternoon, dropping their matinee to Wake Forest, 30-23. Read below for a game thread, organized in reverse chronological order. It broke. Virginia Tech falls to 2-4 ...

Accelerate your tech game Paid Content How the New Space Race Will Drive Innovation How the metaverse will change the future of work and society Managing the ...