6 MEASUREMENT DATA ANALYSIS
181
To enable/disable search range limits indication, use the
following softkeys:
Markers > Marker Search > Search Range Lines
6.1.8 Marker Math Functions
Marker math functions are the functions, which use markers for calculating of various
trace characteristics. Four marker math functions are available:
§Statistics;
§Bandwidth Search;
§Flatness;
§RF Filter.
6.1.8.1 Trace Statistics
The trace statistics feature allows the user to determine and view such trace parameters
as mean, standard deviation, and peak-to-peak. The trace statistics range can be defined
by two markers (See figure 6.8).
Figure 6.8 Trace statistics
Table 6.2 Statistics parameters
Symbol Definition Formula
mean Arithmetic mean å
=
×= N
i
i
x
N
M
1
1
s.dev Standard deviation å
=
-
N
i
iMx
N1
2
)(
1
1
p-p Peak-to-Peak: difference
between the maximum and
minimum values
Max – Min
Statistic Range: OFF
Statistic Range: ON
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