Monitoring vital signs is essential for understanding human physiology and managing health conditions. Conventional methods ...

Optical computing has emerged as a powerful approach for high-speed and energy-efficient information processing. Diffractive ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...

Abstract: Since the Cramér-Rao lower bounds (CRLB) of target localization depends on the sensor geometry explicitly, sensor placement becomes a crucial issue in many target or source localization ...