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ADIS16288 on a Shaker Table at 25Hz @ 1G (peak per table Software)

Question asked by SteveMc on Sep 14, 2017
Latest reply on Oct 9, 2017 by SteveMc

I have a ADIS16288 on a Shaker Table at 25Hz @ 1G (peak per table Software), I have tried all three axis with the same result.  The data coming back shows 25Hz but at only .4 Gs.  Is the Data from the Sensor in RMS?  Are there any other factors I may have missed? Do I have to multiply by 2 to make it a one sided spectrum?  Settings are 80 Hz SR, 1G Gain (also tried 5G with same results), Manual FFT, Hanning Filter.  If I reduce the Shaker Table to 1/2G the ADIS tracks pretty close to .2G so I assume its something in my interpretation.  Any help would be appreciated...  Thanks in advance...

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