Abstract: In this paper, the problem of joint time-of-arrival and two-dimensional direction-of-arrival (TOA/2D-DOA) estimation is solved using space-frequency nested array (SFNA) motion. SFNA is ...
US Director of National Intelligence (DNI) Tulsi Gabbard released the 2026 Annual Threat Assessment, warning that the country faces a widening array of security challenges ranging from transnational ...
Abstract: We present a methodology for the optimization of planar SIMO arrays limited by fixed apertures and levels of sparsity. The aim is to optimize the ambiguity function of the array on a uniform ...
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