Abstract: This paper discusses the fundamental principles of a cognitive-radio RF system. The key points required to achieve a true cognitive-radio device are outlined. The operation of a ...

Abstract: Soft actuators have shown advantages of adaptiveness, large deformation, and safe human-robot interaction, making them suitable for various applications. Herein, a novel soft flat tube ...

Fold card in half, line the template along the fold and draw around the template. Keeping the card folded in half, cut out the half bat shape just drawn. Open out the bat and fold the feet upwards so ...