Le 3 février dernier, alors que le satellite Mercury One survolait la Terre, un petit boîtier a libéré un ressort en titane d’un mouvement simple mais disruptif. Il s’agissait du JPL Additive Compliant Canister (JACC), une démonstration technologique du Jet Propulsion...
Low Earth Orbit (LEO) satellite communication systems have evolved into a critical component of global broadband networks, enabling wide-area connectivity, IoT services, and intelligent multilayer satellite–terrestrial integration. Despite rapid advancements in...
Radio Frequency Interference (RFI) is a growing concern for Global Navigation Satellite System (GNSS) reliability. The Cyclone GNSS (CYGNSS) constellation, designed for ocean wind retrieval via GNSS reflectometry (GNSS-R), provides Delay-Doppler Maps (DDMs) with noise...
Les conflits récents ont profondément transformé la manière de concevoir les armes aériennes. Désormais, les drones bon marché capables de frapper à longue distance deviennent des outils centraux des stratégies militaires. Dans ce contexte, les États-Unis ont...
Data rates and reliability in underwater wireless communication systems are severely constrained owing to factors such as turbidity and noise. Here we present a novel hybrid system, combining acoustic and optical technologies in a dynamic switching protocol guided by...
