X-Stream Operator’s Manual
WM-OM-E Rev I 405
pw50 Pulse Width 50
Definition The average pulse width at the 50% point between a local baseline and
the local-feature peak, and between the local baseline and the local
feature-trough.
Description All local features between the parameter cursors for an input waveform
are identified. The local baseline is identified for each feature, and the
height between the local baseline and the peak is determined. The pulse
width is measured at 50% of the peak. The same measurement is then
performed for the trough. The average of all width measurements is
displayed as pw50. Provided for histograms is the average pw50 value for
each local feature between the parameter cursors.
Parameter Settings Selecting this parameter displays a hysteresis-dialog for setting the
hysteresis value to a specified number of vertical divisions.
pw50- Pulse Width 50-
Definition The average pulse width measured at the 50% point between the local
feature baseline and the local feature trough.
Description All local features between the parameter cursors for an input waveform
are identified. The local baseline is identified for each feature, and the
height between the local baseline and trough is determined. The pulse
width is measured at 50% of the trough amplitude. The average of all
width measurements is displayed as pw50. Provided for histograms is the
average pw50 value for each local feature between the parameter
cursors.
Parameter Settings Selecting this parameter displays a hysteresis-dialog for setting the
hysteresis value to a specified number of vertical divisions.
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