Using quantum entanglement to secure ground-to-satellite timing

From mobile phones and banking systems to aircraft, ships and emergency services, much of modern life relies on precise ...
IEEE

Design of Signal Processing System for Pipeline Pig Tracking and Positioning Receiver Based on Orthogonal Digital Lock-in Amplification Principle

Abstract: The current signal processing system of pipeline pig tracking and positioning receiver based on bandpass filter is difficult to ensure high reliability and sensitivity when receiving weak ...

This satellite constellation transformed earth science by creatively tuning in to GPS signals

When NASA's Cyclone Global Navigation Satellite System, or CYGNSS, launched into orbit in 2016, none of the University of ...