资讯

A new power-distribution and phase-shifting network design based on a Rotman lens for a SatCom phased-array antenna in the K- and Ka-band is presented. It reduces space con-sumption and meets all the ...
Tropical Storm Erin is continuing to gain strength, and forecasters with the National Hurricane Center (NHC) expect the system to become the first major hurricane of the 2025 Atlantic hurricane ...