4.11.7
FFT preferences
In the
FFT
tab, the following preferences can be edited:
•
Window Function
: Selects the window function used by the FFT algorithm. The available
options are:
Rectangular
,
Triangular
,
Hamming
,
Hanning
and
Blackman
.
•
X-axis Scale
: Selects the scale of the X-axis as a linear or a logarithmic scale (in decibel).
•
Y-axis Scale
: Selects the scale of the Y-axis as a linear or a logarithmic scale (in decibel).
•
FFT Points (2ˆ)
: The number of samples used as input for a FFT calculation (2
FFT Points
).
•
FFT Interval
: The number of samples between subsequent FFT calculations.
•
Remove DC
: Reduce the 0-component by removing the mean DC signal.
Figure 42: FFT Preferences
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