Falling space junk is becoming a real-world hazard, and scientists have found a clever new way to track it using instruments ...
Abstract: Liquid metal sensors are widely used in smart electronics, health monitoring, and smart engineering. Usually, the liquid metal sensor with a single structural design has only one measurement ...
Abstract: In signals of opportunity (SOPs)-based positioning utilizing low Earth orbit (LEO) satellites, ephemeris data derived from two-line element files can ...
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