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 ...
NASA's Artemis 2 mission will send four astronauts to circle the moon, similar to the Apollo 8 mission of 1968. Like Apollo 8, the Artemis 2 crew will not land on the moon but will test systems for ...
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