User`s guide
1 Data Processing
See Also
For a description of time-domain, frequency-domain, and frequency-respons e
data, see “Importing Data into the MATLAB Workspace” on page 1-5.
To learn how to transform data at the command line instead of the G UI, see
“Transforming Data Domain at the Command Line” on page 1-126.
Transforming Data Domain at the Command Line
• “Supported Data Transformations” on page 1-126
• “Transforming Between Time and Frequency Domain” on page 1-127
• “Transforming Between Frequency-Domain and Frequency-Response
Data” on page 1-128
• “See Also” on page 1-130
Supported Data Transformations
The following table shows the different ways you can transform data from one
data domain to another. If the transformation is supported for a given row
and column combination in the table, the method used by the software is
listed in the cell at their intersection.
Original Data
Format
To Time Domain
(iddata object)
To Frequency
Domain
(iddata object)
To Frequency
Function
(idfrd object)
Time Dom ain
(
iddata object)
No.
Yes, using
fft.Yes,usingetfe,
spa,orspafdr.
1-126