Abstract: Carrier overlapping pulsewidth modulation (COPWM) is proposed to address the level degradation issue in carrier-based pulsewidth modulation (CBPWM) at low modulation index. Due to its unique ...

Abstract: In addressing the issue of high common-mode voltage amplitude and output waveform distortion caused by low switching frequency in medium and high-voltage high-power variable frequency speed ...

NASA has selected Dartmouth College and the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, to begin developing a mission that will shed more light on the growing impacts of space ...

Jeff Bezos’ Blue Origin launches its new orbital rocket for the first time with two NASA satellites that will fly to Mars to study the red planet’s atmosphere. Photo: Joe Skipper/Reuters Elon Musk and ...

In one of Hyderabad’s largest office space transactions, WeWork India has leased 1.75 lakh sq ft at Skyview 20, a Grade-A tech park, on a five-year term with a starting monthly rent of ₹1.72 crore.

Kids in elementary school learn—or are supposed to learn—how to add fractions and round numbers. But many students at the University of California, San Diego—a top public university ranked sixth ...

A launch pad at Russia’s main space complex was damaged during Thursday’s launch of a mission carrying two Russians and an American to the International Space Station, Moscow’s space agency announced.

A new study says observations from the NASA Fermi space telescope suggest a halo of dark matter around the center of our galaxy, but more information is needed to confirm the result. When you purchase ...