Beginning Vibration Analysis with Basic Fundamentals
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The X Scale<br />
Lines of Resolution<br />
The FFT always<br />
has a defined<br />
number of lines<br />
of resolution.<br />
100, 200, 400,<br />
800, 1600, and<br />
3200 lines are<br />
common<br />
choices.<br />
0.0002<br />
inch<br />
Peak<br />
Magnitude<br />
0<br />
1<br />
0 Hz<br />
This spectrum<br />
has 800 lines, or<br />
the X scale is<br />
broken down into<br />
800 points.<br />
100<br />
Hz<br />
Jack D. Peters<br />
30
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