Abstract: In this paper, two LED emitting circuits are implemented in a VLC positioning system, a regular Bias-Tee and a circuit proposed by Ghassemlooy, aiming to provide the system with portability ...
Abstract: Deep ultraviolet light-emitting diode (LED) sterilization and germicidal lamps with short-wave characteristics, can be used to replace the traditional ultraviolet mercury lamps, is a new ...
In nearly every boy band concert video, there’s that moment. The lead singer drops to his knees and sings a ballad of love to a swooning member of the audience. “Carla” got that moment at the Straight ...
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