Abstract: Signal propagation in wireless communication undergoes an effect called shadowing (or shadow fading) depending on the built and natural surroundings that impede propagation. Thus, the fixed ...

Abstract: This paper proposes a class of two-dimensional (2D) filters known as directional FIR filters. In the synthesis, a sigmoidal function-the complementary ...

Institute of Physical Science and Information Technology and Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei 230601, China ...

Working in customer service means being prepared for requests that defy all logic. One movie theater employee had only been on the job a few days when one woman demanded the impossible: Just change a ...

Dipartimento di Fisica e Chimica “Emilio Segrè”, Università degli Studi di Palermo, Viale delle Scienze Ed. 17, 90128 Palermo, Italy ...

2H-NbO₂—a novel van der Waals oxide synthesized by researchers from Japan—exhibits strongly correlated electronic properties with two-dimensional flexibility. By chemically extracting lithium ions ...

Researchers create MXenes with up to nine metals, uncovering how atomic order and disorder shape the future of high-performance 2D materials. (Nanowerk News) Two-dimensional nanomaterials only a few ...