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RIGOL Chapter 6 Operations and Measurements
6-2 DS8000-R User Guide
Math Operation
Click on the function navigation icon
to open the function navigation. Then click
on the "Math" icon
to open the math operation menu. This oscilloscope supports
four math operations: Math1, Math2, Math3, and Math4. The following section takes
Math1 as an example to introduce the math operation in detail.
Click Math → Math1 → Operator to select the desired math function. Click
Operation continuously to enable or disable the operation. When enabled, the
results of math operation are displayed with purple waveforms on the screen, and
the math operation formula, vertical scale, and other parameters (the displayed data
parameters are different for different math operations) are displayed at the bottom
of the screen. The results of the math operation can be further measured. This
oscilloscope supports enabling the four math operations at the same time, as shown
in the figure below.
DS8000-R series can realize multiple math operations between waveforms of
different channels, including
⚫ arithmetic operations (A+B, A-B, A×B, and A/B)
âš« FFT operation
âš« logic operation: A&&B, A||B, A^B, and !A
âš« function operation: Intg, Diff, Sqrt, Lg, Ln, Exp, Abs, and AX+B (linear function)
âš« math filter: low-pass filter, high-pass filter, band-pass filter, and band-stop filter
Note: When you select the source, only the enabled channel is available.
Addition
Adds the waveform voltage values of signal source A and B point by point and
displays the results.
Click Math → Math1 → Operator to select "A+B":
âš« Click Operation continuously to enable or disable the addition operation
function.
âš« Click SourceA and SourceB respectively to select the channel for Source A and
Source B. The available channels for Source A and Source B are CH1-CH4 and
Ref1-Ref10.
Note: The source of Math2 can be CH1-CH4, Ref1-Ref10, or Math1; the source
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