Chapter 2 73
Instrument Functions: A - L
BW/Avg
Instrument Functions: A - L
Remote Command:
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio <number>
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio?
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio:AUTO OFF|ON|0|1
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio:AUTO?
Example: BAND:VID:RAT 2
BAND:VID:RAT?
BAND:VID:RAT:AUTO 0
BAND:VID:RAT:AUTO?
2.3.4 Average
Initiates a digital averaging routine that averages the trace points in a number of
successive sweeps, resulting in trace “smoothing.” You can select the number of sweeps
(average number) with the numeric keypad (not the knob or step keys). Increasing the
average number further smooths the trace. To select the type of averaging used, press
BW/Avg, Avg/VBW Type.
Averaging restarts when any of the following occurs:
• a new average number is entered.
• any measurement related parameter (e.g., center frequency) is changed.
• Restart is pressed.
• Single Sweep is pressed.
In single sweep, the specified number of averages is taken, then the sweep stops. In
continuous sweep, 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 off averaging, press
Average (Off).
Key Path:
BW/Avg
Saved State: Saved in Instrument State
Factory Preset: Off, 100 averages
Range: Count: 1 to 8192
1
Average Number
-----------------------------------------
Average Number 1–
Average Number
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