Abstract: This paper focuses on acoustic noise reduction by the injection of the third and ninth harmonics into the zero-sequence current in surface permanent motors. In the proposed method, the sixth ...

A fire on a solar-powered noise barrier along a Shanghai expressway has raised concerns about the safety of integrating PV ...

The Inflation Reduction Act was once hailed as the biggest climate law in U.S. history. But as supporters try to save it, ...

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If you’re researching how to soundproof a room, chances are you’re not getting your best sleep right now, or perhaps you’re missing out on some much needed quiet time. And that’s not ideal—not with ...

As Harris introduces the sound bath, you may feel an increase in your focus. The vibrations of the sound bath may allow you to connect more deeply to your body and mind. As you conclude this ...

while achieving a similar reduction in acoustic noise and vibration. In general, current profiling for noise reduction resulted in reduced efficiency; however, in this paper, it was found that motor ...

Show more Matthew Sweet goes in search of Ray Dolby, the extraordinary inventor whose Dolby Noise Reduction system revolutionised recorded sound, transformed the cinema experience, and whose ...

Surrounded by Sound: Ray Dolby and the Art of Noise Reduction (Binaural Version)Surrounded by Sound: Ray Dolby and the Art of Noise Reduction (Binaural Version) ...

Story continues below this ad “The Proforma or forms used during the 2011 Census were not sound, and the survey eventually ended up only being an economic one as caste data was excluded,” Ahir told ...

and their supply chain (solar panels, wind turbines, battery components, etc.), are facing possible disqualification for Inflation Reduction Act (IRA) tax benefits due to their reliance on China ...