Velocity FFT

Velocity FFT (Fast Fourier Transformations) Spectrum – transition from Time History to Frequency Domain. The AVA Software provides a visualization of the amplitudes of the speed vibrations of the point, at different frequencies. The amplitudes of the velocities normalized by absolute values ​​in the frequency spectrum are shown. These values ​​are used to assess the degree of impact in cases where the norms limit the permissible PPVs as a function of frequency (eg when assessing the reached speed levels according to DIN 4150). AVA software provides fast interactive movement and scaling of graphics. If desired by the user, the Velocity FFT graphs can be saved in DXF or tabular format. These Velocity FFTs can be used to estimate vibration frequency amplitudes.

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