The Waveform Calculation; Using Fft Function - Owon SDS1000 User Manual

Four-channel series digital storage oscilloscope
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addition, multiplication, division and subtraction operations between two
channels, or the FFT operation for a channel. Press the Math button to display
the menu on the right.

The Waveform Calculation

Press the Math button to display the menu on the right, select Type as Math.
Function Menu
Type
Factor1
Sign
Factor2
Next Page
Vertical
(div)
Vertical
(V/div)
Prev Page
Taking the additive operation between Channel 1 and Channels 2 for example,
the operation steps are as follows:
1. Press the Math button to display the math menu in the right. The pink M
waveform appears on the screen.
2. In the right menu, select Type as Math.
3. In the right menu, select Factor1 as CH1.
4. In the right menu, select Sign as +.
5. In the right menu, select Factor2 as CH2.
6. Press Next Page in the right menu. Select Vertical (div), the
in front of div, turn the M knob to adjust the vertical position of Math
waveform.
7. Select Vertical (V/div) in the right menu, the
voltage, turn the M knob to adjust the voltage division of Math waveform.

Using FFT function

The FFT (fast Fourier transform) math function mathematically converts a
time-domain waveform into its frequency components. It is very useful for
4.Advanced User Guidebook
Setting
Math
CH1
CH2
Select the signal source of the factor1
CH3
CH4
Select
+ - * /
manipulation
CH1
CH2
Select the signal source of the factor2
CH3
CH4
Enter next page
Turn the M knob to adjust the vertical
position of the Math waveform.
Turn the M knob to adjust the voltage
division of the Math waveform.
Enter previous page
19
Description
Display the Math menu
the
sign
of
symbol is in front of the
mathematical
symbol is

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