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: The attenuation characteristics of subsurface media cause amplitude attenuation and phase dispersion in seismic waves. Ignoring these effects in conventional least-squares reverse time ...

A Patriot Advanced Capability-3 (PAC-3) Cost Reduction Initiative (CRI) missile is launched during a successful Integrated Battle Command System (IBCS) flight test at White Sands Missile Range in 2021 ...

The Army is launching a sweeping new nuclear program to generate power for bases across the globe, particularly in remote or contested locations where fuel might be difficult to obtain, Fox News ...

Construction robots are no longer a far-off idea. They're already changing job sites by tackling repetitive, heavy, and often dangerous tasks. The latest robot comes from Australia, where a ...

A judge in Illinois has temporarily blocked federal agents from using certain types of force and crowd-control measures against protesters, after video of a pastor being repeatedly shot by pepper ...