Learn how to crochet the Astrakhan Stitch, also known as the Lamb Stitch or Sheep Stitch, with this easy step-by-step tutorial. This textured stitch creates a soft, fluffy effect that’s perfect for ...

Abstract: In traditional GNSS applications, signals arriving at a receiver's antenna from nearby reflecting surfaces (multipath) interfere with the signals received directly from the satellites which ...

Dipartimento di Scienze Chimiche e Ambientali, Università dell’Insubria, via Valleggio 11, I-22100 Como, Italy and Department of Chemistry IFM & NIS Centre of Excellence, University of Turin, via ...