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 ...

To overcome this limitation, a planar single-reversal permanent magnet focusing system is proposed for a narrow-separation three-beam array. The impact of magnetic field drop in the reverse region on ...

Supreme Court limits judges' power on nationwide injunctions, but fate of Trump birthright citizenship order unclear.

Get answers to all of your NBA Draft FAQ: order, date, tickets, top prospects, how it works. Frequently asked questions, answered ...