Abstract: Reducing the number of antenna elements within a fixed aperture while maintaining low sidelobe levels is a key challenge in sparse array design. Although various sidelobe suppression ...
Preventing adversaries from interfering with communications is crucial to national security. Tactical satellite ...
AST SpaceMobile satellite broadband moved a step closer June 17 when SpaceX Falcon 9 placed BlueBirds 8, 9, and 10 — the ...
Abstract: In this paper, a multi-polarization array antenna based on the catenary metasurface (MS) is proposed. The catenary MS unit provides continuous phase coverage of 2π through its inherent ...
The Pentagon is searching for new ways to protect military satellite communications from electronic attacks in space. MIT Lincoln Laboratory engineers are now developing a lightweight antenna system ...
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