Remove DC component from Zoom FFT

I am performing vibration analysis using the sound and vibration toolkit. Is it possible to remove the dc component of a frequency domain signal generated from a Zoom FFT? Or remove the DC component in the time domain signal prior to performing the Zoom FFT?
Thanks

You might consider a high pass filter on the data prior to the FFT operation. THis would in effect AC couple the signal - removing the DC component. You could also use the AC/DC estimator and subtract the DC result from your signal.
Preston Johnson
Principal Sales Engineer
Condition Monitoring Systems
Vibration Analyst III - www.vibinst.org, www.mobiusinstitute.com
National Instruments
[email protected]
www.ni.com/mcm
www.ni.com/soundandvibration
www.ni.com/biganalogdata
512-683-5444

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