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3 answers

If the variation is unintentional and unwanted, then it is referred to as "noise." If the variation is intentional and desired, then it is called "modulation."

2006-09-12 03:14:27 · answer #1 · answered by pvreditor 7 · 0 0

electromagnetic for EMF

2006-09-12 10:13:54 · answer #2 · answered by Hando C 4 · 0 0

I'm not 100% on this, but I'd say you're talking about attenuation.

Try this: http://en.wikipedia.org/wiki/Attenuation

2006-09-12 10:13:59 · answer #3 · answered by an0n 1 2 · 0 1

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