资讯

Intelligent reflecting surface (IRS) has emerged as a promising technology to reconfigure the radio propagation environment by dynamically controlling wireless signal’s amplitude and/or phase via a ...
Sonos doesn’t make computer speakers. And despite how closely some of its speakers look the part (specifically the Era 100, as well as the older Play:1, One and One SL), that’s not how they were ...
Aluminum-gallium nitride (AlGaN) alloys are promising materials for wavelength-tunable solar-blind surface acoustic wave (SAW) ultraviolet (UV) sensors. We investigate the physical origin of SAW ...