HDO9000 High Definition Oscilloscopes Operator's Manual
Phistogram Function
The Phistogram function creates a histogram of the samples within a horizontal or vertical “slice” of
a persistence map. You must
to the function source trace to generate the
persistence map.
Note:
This operation is different than the Histogram math operation and is not affected by
Center and Width settings made on any existing Histograms.
1. Follow the usual steps to set up a math function, choosing a
Single
operator function using the
Phistogram
operator.
2. On the
Phistogram
subdialog, enter values to select the slice of the persistence map to
histogram:
l
Slice Direction
of determines whether the slice transverses the entire height of the map
centered around a time (vertical), or transverses a period of time in the map centered
around a level (horizontal).
l
Slice Center
represents the center time or level of the slice.
l
Slice Width
represents the total time or amplitude of the slice, half each side of the
center.
3. Choose to
Center Cursor
to place a measurement cursor at the center of the slice.
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