Learn the steps to calculate notional value for futures contracts and why it's pivotal in evaluating risks and managing your ...

Abstract: In this article, a class of multiband filters, including dual- and triple-band filters, are proposed using thin rectangular waveguide cavities, which are stacked and coupled to the ...

Abstract: The fundamental working principle of front-to-back ratio (FTBR) enhancement of the quadruple inverted-F antenna (QIFA) is clearly revealed for the first time, and a unified design method is ...