Abstract: The special structure of unmanned aerial vehicles (UAVs) poses challenges to the integrated design method and power transmission capability of the couplers used for their wireless charging.

Abstract: In this letter, a W-band power combiner is proposed by exploiting the 3-dB branching waveguide directional couplers and GaN power amplifiers. In the framework, a novel waveguide coupler is ...

It's time again to decide if you're going to slog through your own tax forms or enlist a pro. The new provisions, meant to fatten Americans' wallets, can also cause confusion, accountants said. To ...