R&S FSW Series, Руководство пользователя

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Common Analysis and Display Functions
R&S
®
FSW
585 User Manual 1173.9411.02 ─ 43
Smoothing
If enabled, the trace is smoothed by the specified value (between 1 % and 50 %). The
smoothing value is defined as a percentage of the display width. The larger the
smoothing value, the greater the smoothing effect.
Note: Effects of smoothing on post-processing functions. Note that in Spectrum mode,
all functions performed after the sweep, such as limit checks, markers, or channel
power measurements, are based on the smoothed trace data. Thus, the results will dif-
fer from results based on the original trace.
For more information see
"Trace Smoothing" on page 581.
Remote command:
DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:SMOothing[:STATe]
on page 1128
DISPlay[:WINDow<n>][:SUBWindow<w>]:TRACe<t>:SMOothing:APERture
on page 1128
Average Mode
Defines the mode with which the trace is averaged over several sweeps.
This setting is generally applicable if trace mode "Average" is selected. For FFT
sweeps, the setting also affects the VBW (regardless of whether or not the trace is
averaged).
(See also "Video Bandwidth (VBW)" on page 161).
How many sweeps are averaged is defined by the "Sweep/Average Count"
on page 470.
For details see "How Trace Data is Averaged - the Averaging Mode" on page 581.
"Linear" The power level values are converted into linear units prior to averag-
ing. After the averaging, the data is converted back into its original
unit.
"Logarithmic" For logarithmic scaling, the values are averaged in dBm. For linear
scaling, the behavior is the same as with linear averaging.
"Power" Activates linear power averaging.
The power level values are converted into unit Watt prior to averag-
ing. After the averaging, the data is converted back into its original
unit.
Use this mode to average power values in Volts or Amperes correctly.
In particular, for small VBW values (smaller than the RBW), use
power averaging mode for correct power measurements in FFT
sweep mode.
Remote command:
[SENSe:]AVERage<n>:TYPE
on page 1129
Average Count
Determines the number of averaging or maximum search procedures If the trace
modes "Average", "Max Hold" or "Min Hold" are set.
In continuous sweep mode, if sweep count = 0 (default), averaging is performed over
10 sweeps. For sweep count =1, no averaging, Max Hold or Min Hold operations are
performed.
Trace Configuration