Abstract: The existence of a phase-locked loop (PLL) estimated voltage amplitude-frequency-phase angle coupling phenomenon poses a significant challenge in control of grid-tied renewable energy ...

The chart below tracks President Donald Trump’s approval and disapproval ratings across polls. It includes all national-level results on this question which meet CNN’s standards for reporting.

Abstract: This paper proposes a connected array antenna mounted on an aircraft to detect the direction of signals emitted from high-speed moving objects. Considering the space and weight, It is ...

Baltimore Ravens kicker Tyler Loop and his fiancee Julia Otto have been hit with a barrage of abuse in the wake of his costly miss against the Pittsburgh Steelers. On Sunday, the Ravens failed to ...