Archaeologists discovered two mysterious Roman-era pools sitting under a heap of junkyard cars in eastern Rome. With an ...

Abstract: A rectangular microstrip patch antenna (RMPA) is designed and analyzed in this paper. FR-4 is used as a substrate material, whose dielectric permittivity is 4.3. This antenna is designed and ...

Brave Survival Life is planning to build a unique underground building in the wild from scratch using primitive tools, and they are also working on digging a cliff to construct a secret underground ...

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 ...