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Command reference help topics

Time to FFT Conversion dialog box

Performs a forward FFT (Fast Fourier Transform) on a function. The FFT transforms time domain data into the frequency domain.

Qualifying Records table
Qualifying Records Displays the available AFU records.
Show All Displays all records in the loaded AFU.If you clear this check box, the table displays only the functions available that can be processed by the conversion.
AFU Name column Lists the AFU loaded to the model.
Record Name column Lists the record identifier.
Function Type column Lists the function type (Frequency, Time, and so on).
Abs Unit column Lists the abscissa (X-axis) units
Ord Unit column Lists the ordinate (Y-axis) units
Add AFU Records Adds a function to the table.Select the function from a loaded AFU file in the XY Function Navigator and click .
Remove AFU Records Removes a function from the table.Select the function in the table and click .
Output
Output Setting Specifies how the software should write the resulting data in the AFU file. AppendAppends the new function to an existing function.OverwriteOverwrites an existing function with the new function.Other AFUSpecifies a new AFU to save the function.
AFU File Appears when Output is set to Other AFU.Sets the path and file name of the AFU file where the resulting data will be saved.You can also click Browse to select the file location.
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Time to FFT Conversion dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1744423 · retrieved 2026-07-17