Abstract: A multi-layer frequency selective rasorber (FSR) consisting of two cascading metallic layers separated from one another by three thin dielectric substrates is proposed in this paper. The top ...

Abstract: Analytical expression of transmission for the orbital angular momentum (OAM) communication using loop antenna arrays and paraboloids is derived to achieve a communication distance of 100 m.

The annual meetings of the Chicago Loop Alliance are no place for truth-telling about the self-evident problems of the Chicago Loop. As Friday’s big gathering at Willis Tower made clear, this is a ...