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DPO6000, MPO6000 Series Digital Fluorescent Oscilloscope Product Manual V1.3
26
Average
In this mode, the oscilloscope averages the waveforms of multiple samples to reduce
random noise on the input signal and improve vertical resolution. The higher the num-
ber of averages, the lower the noise and the higher the vertical resolution, but the
slower the response of the displayed waveform to waveform changes.
DPO6000 / MPO600 series oscilloscopes use a stable average of the first n acquisi-
tions, and then take the exponential average method. These two algorithms can always
show the trend of changing waveforms. The stable average algorithm is as follows:
Among them,
is the averaged sampling value, X
i
is the i-th sampling value, and n
is the current average number of times.
After selecting the "Average" mode, press the "Average Times" menu to set the desired
average times, which can be set to 2, 4, 8, 16, 32, 64, 128, 256, 512, or 1024. The de-
fault is 2.
Example waveform without averaging:
Example of waveform after 1024 averages:
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