A nested set is a smart way to implement an ordered tree that allows for fast, non-recursive queries. For example, you can fetch all descendants of a node in a single query, no matter how deep the ...
Abstract: The article proposes a novel approach for in-orbit satellite antenna pattern measurement by means of a dedicated small measurement satellite (MES) that flies in Double-Cross-Helix formation.
Abstract: The magnetic-field modulated brushless double-rotor permanent-magnet machine presents a promising electrification solution, potentially replacing traditional mechanical transmissions such as ...
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