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MS Office Forum / Excel / Worksheet Functions / September 2007

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Fast Fourier Transform outputs in Excel

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custardcream13 - 11 Sep 2007 20:52 GMT
If I take a Fourier Transform of Acceleration data in Excel, what units will
the output data be in?
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Dana DeLouis - 12 Sep 2007 05:20 GMT
The first cell will be the sum of your data, so I guess it's in the same
units.
If your output appear to be a little large in your analysis, you may need to
divide each cell by the size of your data. (ie divide by 16, 32, etc)    Use
=IMDIV( ).    Of course, it depends on what you are doing.  Any specific
questions on a small sample?

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Dana DeLouis

> If I take a Fourier Transform of Acceleration data in Excel, what units
> will
> the output data be in?
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