FFT of vibration data

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Rohit Bhoi
Rohit Bhoi 2016-3-23
回答： Star Strider 2016-3-23
I have vibration data in which I have magnitude,phase and frequency rows. Then how to take FFT of this vibration data?? Do I need to add magnitude,phase and frequency??

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Star Strider
Star Strider 2016-3-23
If you already have the frequency, magnitude, and phase data, you have the Fourier transform of your original time-domain data. Nothing else is required. To plot it, just plot magnitude as a function of frequency, and phase as a function of frequency. See the documentation on subplot for details on doing that in one figure window.

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