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Forum: CONVERGE

May 25, 2019, 06:19

Replies: 2

FFT:Frequency-Amplitude plot

Views: 1,322

Posted By luckyboy

I don't need the filtered pressure, and I just...

I don't need the filtered pressure, and I just want to attain the frequency- amplitude. I want to know which frequency on which the pressure amplitude is large.

Forum: CONVERGE

May 20, 2019, 22:44

Replies: 2

FFT:Frequency-Amplitude plot

Views: 1,322

Posted By luckyboy

FFT:Frequency-Amplitude plot

In the line plotting section, I use the Fast Fourier Transform(FFT) function to deal with cylinder pressure. After click preview FFT, a frequency spectrum figure appears, shown as in attachment. But...

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