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PSD- Linear Dynamic simulation random vibration curve input

Question asked by Micha Vardy on May 18, 2017
Latest reply on May 18, 2017 by Tom McHale

SW forum:

I am trying to process time sample data in matlab in order to input into the selected base excitation frequency curve, I don't 100% understand what PSD is, how it works, and what units/normalized units, solidworks is expecting, I was thinking about using the periodogram function in matlab to return a PSD magnitude vector, however I am not sure how to match that with frequency vector, do you have any suggestions? thanks