Making octave plot in SVT to use g/SQRT(Hz) units

I have been trying to measure some random vibrations, and it appears the main analysis approach required mesurement of Amplitude spectral density, typically expressed in units of um/sqrt(Hz), plotted on a 1/3rd octave plot vs frequency.
Is there a way to use the Sound and Vibration Toolbox to do this? The default octave analysis plots power spectrum vs frequency. I can only use the IEC 1260 analysis module (since ANSI does not go below 20 Hz) and it does not appear to have the spectral density mode...
Am I missing something, is there a way to do this?

Hi Anatoly2,
The attached VI will convert an octave spectrum into EU^2/Hz or EU/sqrt(Hz). To use it, just do whatever flavor of octave analysis you want in front of it, then convert it with this VI. There is no need to do a PSD unless you want to see it separately.
Please respond if you have any questions!
Chad AE
Applications Engineer
Octave PSD ‏103 KB

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