Abstract: This article presents a 3D-printed dielectric resonator antenna (DRA) array operating in the K-band, which incorporates a 3D-printed polarizing radome to achieve circular polarization. The ...
The Metropolitan Museum of Art’s Open Access Initiative expands with three-dimensional renderings of significant pieces—most of which are free to download.
Scientists mapped a hidden "sea of light" from hydrogen 9–11 billion years ago, revealing how the early universe was structured.
Abstract: 2D SAR image suffers from distortions such as layover, foreshortening and shadow. These distortions can be well resolved if the surface elevation is determined. However, traditional ...
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