There comes a moment, almost ordinary, when life asks a question it has asked before. It does not shout. It does not warn. It simply repeats itself. Another familiar pain. Another face wearing a ...
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: Benefiting from the strong penetrative and anti-interference properties of low-frequency (LF, between 3 Hz and 300 kHz) electromagnetic (EM) waves, LF signals hold immense application ...
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