Abstract: A hybrid two-dimensional (2D) beam-scanning lens antenna through the combination of a mechanical lens slide and a phased array primary radiator is proposed. The proposed antenna allowed for ...
Abstract: Ground-based two-dimensional (2D) array radar suffers from low angular resolution, including azimuth and pitch directions because of the limited size of antenna aperture. In this paper, to ...
A Long March 2D carrier rocket carrying two satellites blasts off from the Taiyuan Satellite Launch Center in North China's Shanxi province on March 26, 2026. [Photo/Xinhua] China launched a Long ...
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