NASA's AROW tool lets you follow the Orion spacecraft's every move — including tonight's historic lunar flyby, the first by humans since 1972.

Abstract: For synthesizing ultrawideband (UWB) beam-scanning aperiodic antenna arrays under mutual coupling (MC) effects, the novel constraint-reduced iterative convex optimization (CRICO) method with ...

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Abstract: This paper developed a photonically actuated ultrawideband, two-dimensional transmit array using a Fourier optical lens as a beamformer. Data encoding was developed, in which custom IF ...