Abstract: Low-frequency characteristics serve as primary metrics for evaluating the acoustic performance of modern microspeakers. However, conventional microspeakers exhibit flat low-frequency in-ear ...

Sewing machines looked simple, but their inner workings were anything but. Engineers had to invent an entirely new way of sewing to make machines possible. Tiny mechanical movements worked in perfect ...

Abstract: In this paper, we propose a Multi-carrier Hybrid Code Sort Chaotic Reference Shift Keying with Index Modulation (MC-HCSCRSK-IM) system, where a combination of code index, sort index, and ...