What if a doorbell never needed a battery and still sent signals wirelessly over long distances. This design can turn every ...

I’ve been into photography since I was a small child, learning from my dad, who was a professional photographer. I didn’t get into studio flash until many years later – nearly 20 years ago, in fact. I ...

Abstract: This article investigates the application of end-to-end (E2E) learning for joint optimization of pulse-shaper and receiver filter to reduce intersymbol interference (ISI) in ...

Abstract: This letter explores the benefits of compensating for transmitter gain and phase imbalances in a receiver for quadrature communication systems. It is assumed that the gain and phase ...

Ultrasonic energy is widely used to sense the presence of nearby objects and even determine their distance if needed, as well as to measure fluid flow rates in industrial and scientific applications.