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Window Functions at the Spectrum mode

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Window Functions at the Spectrum mode

Postby ultrasonic » Wed Dec 07, 2016 4:09 pm

Hello,

can somebody provide me please with additional Infos about the FFT Window Functions? I know that there is a short description of these Functions at the docu, but to decide which Function to choose I need more Infos. I am a new user.
I try to distinguish different machines (gearboxes) just by the FFT as our gearboxes sometimes sound bad.

Kind regards
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Re: Window Functions at the Spectrum mode

Postby Martyn » Thu Dec 08, 2016 9:02 am

The choice of Window Function to apply to an FFT, will depend upon the application. The user guide gives a brief description of applications and looking at this I would suggest Blackman, or Hann, may be appropriate for you.
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