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RIGOL Chapter 6 MATH and Measurement
6-16 DS1000Z-E User Guide
Diff
Calculate the discrete time differentiate of the selected source. For example, you can
use differentiate to calculate the instantaneous slope of a waveform.
Press MATH Math Operator to select "Diff":
Press Operation to enable or disable the "Diff" operation function.
Press Source to select the desired channel (CH1, CH2, or fx (please refer to the
introduction in "Fx Operation")).
Press Offset and use to adjust the vertical position of the operation results.
Press Scale and use to adjust the vertical scale of the operation results.
Press Scale Reset to adjust the vertical scale of the operation results to the
optimal value according to the current configuration.
Press Options to set the start and end points of the operation results, enable or
disable waveform invert, etc.
― Press Start and use to set the start point of the operation results.
― Press End and use to set the end point of the operation results.
― Press Invert to enable or disable the inverted display function of the
waveform.
― Press Smooth to set the smoothing window width of differential operation.
The setting range is from 3 to 201. The smoothing window is rectangular
which can increase the smoothing for differential operation.
― Press Auto Scale to enable or disable the auto scale function. When auto
scale is enabled, the instrument will adjust the vertical scale of the
operation results to the optimal value according to the current
configuration.
― Press fx Operator, fx A and fx B to set the operator and signal sources of
the inner layer operation of Fx operation (please refer to the introduction in
"Fx Operation").
You can also use HORIZONTAL POSITION and HORIZONTAL
SCALE to adjust the horizontal position and scale of the operation results.
Tip
Because the differential operation is very sensitive to noise, you can set the
"Acquisition Mode" to "Average".
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