Abstract: This paper studies the design of beam hopping (BH) pattern for satellite communication systems with hybrid analog-digital precoding. We investigate the transmit power minimization problem ...

Discover how to make a stunning resin wall clock with an abstract design. A beautiful handmade piece that blends functionality with art. #resinart #epoxy #wallclock #abstractart #handmade Judge rules ...

Abstract: One major challenge for the design of the rotary machine for electric propulsion aircraft is how to improve its torque output and power density. The objective of this paper is to propose a ...

Building on the momentum of our initial launch of the Microsoft Secure Future Initiative (SFI) patterns and practices, this second installment continues our commitment to making security ...