Operating Instructions
Select this menu option to change the scan depth to any of those created by the Add Scan
Depth Config menu option.
Show Sel. Trace Only
Select this item to show only the selected trace on the screen. Select again to show all
traces on the screen.
Math
The Math menu contains frequently used mathematical operations. The items in this menu
are identical to those found in the Math menu available in the Main menu.
Set base (1)
Sets the currently selected trace as the base trace, used by other actions in the Math
menu that operate on more than one trace, such as Difference.
Difference
Creates a new trace that is the difference between the base trace (see Set base above)
and the currently selected trace.
1st derivative
Creates a new trace that is the first derivative of the currently selected trace.
FFT
Creates a new trace that is the Fast Fourier Transform of the currently selected trace,
using the data that lies between the cursors. The FFT is transformed using settings
from the FFT settings submenu.
FFT settings
Window
Selects the data window that is applied after padding the data but before the Fast
Fourier Transform.
Size
Selects the size of the data window. The data bounded by the cursors is padded
with stationary values to fill the window size.
S-Param
Creates a new trace that is the negative complex division of the currently selected trace
by the base trace. This function only applies to Fast Fourier Transform traces and can
be used to calculate the S11 parameter.
Phase
Creates a new trace that shows the phase angle of the currently selected trace. This
operation only applies to Fast Fourier Transform traces and S-Param traces.
Mohr CT100 / CT100HF Operator's Manual 19
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