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square wave

noun

Definitions

  1. A simple square wave follows a pattern similar to that of a sine wave, a series of alternating high and low voltages. The difference is that a sine wave’s magnitude changes continuously, whereas a square wave’s magnitude switches instantaneously between its maximum voltage and zero volts. A square wave is useful for many welding applications.

External Sources

http://www.thefabricator.com/article/aluminumwelding/riding-the-right-wave-in-aluminum-welding