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Page
112
October 2014
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Reduce the effect of noises from your signal
When focusing on signal itself, the important thing is to reduce the noise
level as lower as possible, this would enable user to have more details about
the signal. The Average function offered by our Oscilloscope can help you to
achieve this
Here are the steps for how to enable Average function.
Apply square waveform to CH1 as a source signal. Press
ACQUIRE
button to bring up
ACQU MODE
menu.
Press
F3
selection
Average
, Press
F4
to select number of data points
for average. Available choices of number are 16, 32, 64, 128. The
higher the number, the better result user will get.
Use would see a much reduced random noise level and make it easy to see
more details of the signal itself. As it is in Fig.68, after applying Average,
user can easily identify the burrs on the rising and falling edges of some
part of the signal(see Fig.107).
Figure 107.
Wave Form of the Noise-Removed Signal.