The four astronauts safely splashed down in the Pacific Ocean after travelling further from Earth than any humans before.

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Abstract: In this paper, a closed loop controlled optical tracking module for free-space optical communication is presented. The motion of the optical tracking module is achieved using a pan-tilt ...

Abstract: With the confluence of Wide Bandgap (WBG) power semiconductor device’s superior characteristics, trends of high efficiency, low volume and weight, and cost-effective solution for power ...