General Purpose Oscilloscope Menus
Histogram Menu
You may notice the following histogram statistics listed below the graticule
area.
Scale Scale lists the display scale in hits per division or dB per
division.
Oset Oset lists the oset in hits or dB. Oset is the number of
hits or dB at the bottom of the display, as opposed to the
center of the display.
Mean Mean is the average value of all the points in the histogram.
Median 50% of the histogram samples are above the median and
50% are below the median.
Std
dev
The
Standard
deviation
(
)
value
of
the
histogram.
Hits
The
total
number
of
samples
included
in
the
histogram.
P-P
The
width
of
the
histogram.
F
or
horizontal
histograms
,
width
is
the
dierence
time
between
the
rst
and
last
pixel
columns
that
contains
data.
F
or
vertical
histograms
,
width
is
the
dierence
in
time
between
the
rst
and last
pixel
rows
that
contain
data.
P
eak
The
number
of
hits
in
the histogram's
greatest
peak.
6
1
The
percentage
of
points that
are within
6
1
of
the
mean
value
.
6
2
The
percentage
of
points
that
are
within
6
2
of
the mean
value
.
6
3
The percentage of points that are within
6
3
of the mean
value.
10-39
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