Agilent Technologies N9340A - Manual (Page 75)

Key Reference 5
N9340A User’s Guide 73
Log Pwr
Averages the data as appropriate for the
logarithmic scaled y- axis.
When average type is set to
Log Pwr, “LgAv”
appears on the left side of the display.
Key Access:
[BW/SWP] > {Avg Type}
Pwr
Performs by converting the trace data from
logarithmic to linear power units, and then
averaging the power trace data.
When average type is set to
Pwr, “PAvg” appears
on the left side of the display.
Key Access:
[BW/SWP] > {Avg Type}
Voltage
Averages the data as appropriate for the linearly
scaled y- axis scale.
When average type is set to
Voltage, “VAvg” appears
on the left side of the display.
Key Access:
[BW/SWP] > {Avg Type}
There are actually four types of averaging
processes within a N9340A. All, except VBW
filtering, are affected by this setting. They are
listed as follows:
• Trace averaging
Averages signal amplitudes on a trace- to- trace
basis. (Press
Log Pwr or Pwr)
• Average detector
Averages signal amplitudes during the time or
frequency interval represented by a particular
measurement point.
• Noise marker
Averages signal amplitudes across measurement
points to reduce variations for noisy signals.
• VBW filtering
Performs a form for averaging the video signal.