Abstract: Wideband direction-of-arrival (DoA) estimation is desirable with the ever-increasing data rate in wireless communication systems. In this paper, an iterative coherent signal-subspace method ...

Abstract: The infinity and orthogonality of the orbital angular momentum (OAM) of vortex electromagnetic waves (VEMWs) provide a new degree of freedom for the modulation of information. The VEMW ...

A new book imagines what the world would be like if Earth spun faster and faster until days just last two hours.

From plagiarism to planetary corrections, we take a look at Copernicus and the introduction of heliocentricity.