User`s guide

Key Reference 4
N9320A Spectrum Analyzer 79
Average
On Off
Initiates a digital averaging routine that averages the trace
points in a number of successive sweeps resulting in trace
“smoothing”. The number of sweeps (average number) is
changeable when setting Average (Off). Increasing the average
number will further smooth the trace. pressing > Avg
Type to select the type of averaging.
To restart averaging:
• Enter a new average number
• Change any related parameter (e.g., Center Frequency)
When in sweep single, the specified number of averages is
taken, then the sweep stops and an average trace displayed.
When in continuous sweep mode, the specified number of
averages is taken, then the averaging continues with each
new sweep averaged in with a weight of and the
old average reduced by multiplying it by
.
To turn averaging off, press Average (Off).
Key access:
Avg Type
Auto Man
Toggles the average type between automatic and manual.
Selecting Auto sets the analyzer to automatic averaging by the
rules in Figure 26.
Figure 26 Auto Rules for Average Type
Selecting Man sets the analyzer to manual averaging.
BW/
Avg
1
AverageNumber
------------------------------
AverageNumber
1
AverageNumber
------------------------------–
BW/
Avg
Is Detector
Average?
T
yp
e=Power
T
yp
e=Video
Yes
No