From: gaur.apurva on 11 May 2010 03:07 i m doing analysis ob ball bearing. i have obtained bearing stiffness for different orientation of balls during ball bearing rotation. so i have a graph of bearing stiffness vs time . now i have to take out fft of the values in order to get peak point showing frequency of rotation. please tell me how to do it and how to plot the fft.
From: Rune Allnor on 11 May 2010 07:11 On 11 Mai, 13:07, "gaur.apu...(a)gmail.com" <gaur.apu...(a)gmail.com> wrote: > i m doing analysis ob ball bearing. i have obtained bearing stiffness for different orientation of balls during ball bearing rotation. so i have a graph of bearing stiffness vs time . now i have to take out fft of the values in order to get peak point showing frequency of rotation. please tell me how to do it and how to plot the fft. doc fft doc abs doc log10 doc plot Rune
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