This famous Buddhist temple, dating from the 8th and 9th centuries, is located in central Java. It was built in three tiers: a pyramidal base with five concentric square terraces, the trunk of a cone ...

Abstract: The capacity of multiple-input-multiple-output (MIMO) systems has long been constrained by the aperture’s limitations on degree of freedom (DOF). Inspired by transformation optics, this ...

Abstract: In this article, we investigate the electromagnetic field radiated by very low-frequency (VLF) spaceborne arrays on the sea surface, where two typical array forms (circular array and curtain ...