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by scherry on 07/12/05 at 18:01:04
I have a graph of (gn)^2/Hz vs Hz. What I really want from this information is G's vs Hz. Anyone know how to get that from what I have? ???
by essbee on 07/12/05 at 18:14:35
Can you give more background information?
by scherry on 07/13/05 at 13:06:08
I used accelerometers on a fixture on a shake table to get the original graph. But I don't want (gn)^2/Hz. All I know is a gn is the same as a G.
by Robert Fogt on 07/15/05 at 06:52:33
g[sub]n[/sub] is the standard acceleration of gravity, and g is the average acceleration of gravity. Not exactly the same, but we can consider them the same for your purposes.
The only way you can do it is through algebra.
Multiply by Hz, then take the square root. That leaves you with just g[sub]n[/sub]
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