The good news on that score is that, even though the Luma 500 is on the large side for a palmtop, it's still small enough to ...

We've reached the dawn of a new semester. Once classes are back in session, a college student's most important accessory will be their trusty backpack. It's not only a home for your laptop, but it ...

Abstract: In this paper, we study uplink covert communication in a space-air system, where an unmanned aerial vehicle (UAV) transmits sensitive data to a Geosynchronous Earth Orbit (GEO) satellite ...

Abstract: Waveguide filter have been widely used in millimeter-wave and terahertz (THz) circuits for the advantage of high Q value, low insert loss and easy to realize. A W-band rectangular waveguide ...