As mentioned in the previous "Transition to Digital" newsletter, the broadcast television industry is experiencing another behind-the-scenes change bigger than the digital transition itself, which is ...

waveform* keep busy. The Connecticut duo of Jarett Denner and Dan Poppa self-recorded and released three LPs in three consecutive years: 2018’s library, 2019’s Shooting Star, then 2020’s Last Room–and ...

The contrast of elastic properties across a subsurface interface imposes a dominant influence on the seismic wavefield, which includes transmitted and reflected waves from the interface. Therefore, ...

A PQ expert can link an abnormal current or voltage waveform to an abnormal condition on a power system just as a handwriting expert matches a signature to a person. Many facilities now have online ...

When using waveform tomography to perform high-resolution imaging of a medium, it is vital to calculate the sensitivity in order to describe how well a model fits a given set of data and how the ...

Jarett: I think this song came out of a period of “writers block” and I just decided to make the simplest possible song, just to get something out of my system. It ended up being interesting to me ...

An arbitrary waveform generator (AWG) is a powerful and flexible signal source capable of generating any wave shape within the bandwidth and amplitude range of the generator. Populating an AWG with ...

RedShark Replay: One from the archives. Gone are the days when a light meter and a trained eye was enough; to do better, we need technological measures and test & measurement equipment. Traditionally, ...

Editor's note: This article was first featured in the February 2003 issue of EC&M. It has been updated to reflect newer power quality instruments and updated standards. Today, many facilities have ...