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Old 11th June 2012, 05:18 AM   #5499
Join Date: Apr 2009
Posts: 3,859
Originally Posted by pgimeno View Post
I'm thinking a sort of bandstop filter might be useful.
It's only really the high frequency changes that need filtering out.

Applied a FFT based lowpass filter (0.5Hz Cutoff frequency) to the resultant acceleration data...

It does appear to change slightly at ~6s prior to release.

Applying the filter earlier in the chain (at velocity or displacement data level) may provide additional clarity, but it will certainly mess with the acceleration data.
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