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Spectrum analysis
R&S
®
MXO 4 Series
238User Manual 1335.5337.02 ─ 05
"Peak on waveform" > "Off" "Peak on waveform" > "On"
Remote command:
CALCulate:SPECtrum<sp>:PLISt:SPOW on page 569
Threshold
Sets an absolute threshold as an additional condition for the peak search. Only peaks
that exceed the threshold are detected.
This setting is only available for spectrum waveforms. It is valid for cursor measure-
ments, spectrum measurements and peak search.
Remote command:
CALCulate:SPECtrum<sp>:THReshold on page 564
CURSor<cu>:THReshold on page 557
Peak excursion
Defines a relative threshold, the minimum level value by which the waveform must rise
by to be considered as a peak. For the peak to be considered, the excursion threshold
must be met both on the left and the right sides of the peak.
To avoid identifying noise peaks, enter a peak excursion value that is higher than the
noise levels.
This setting is only available for spectrum waveforms. It is valid for cursor measure-
ments, spectrum measurements and peak search.
Example:
In the figure below, 2 peaks are shown, that rise above the defined "Threshold". Peak 1
fulfills the defined "Peak excursion" value and will be counted as a peak. Peak 2 does
not fulfill the defined "Peak excursion" value on the right and will not be counted as a
peak.
Spectrum peak list
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