I. Operating Math Functions
Math functions are displays of +, -, × ,/ and FFT mathematical
results of CH1 and CH2 waveforms. The menu is as follows :
FFT spectrum analysis
By using the FFT (Fast Fourier Transform) algorithm, you can convert
time domain signals (YT) into frequency domain signals. With FFT, you
can conveniently observe the following types of signals :
:
Measure the harmonic wave composition and distortion of the
signal
Measure the noise characteristics of the DC power
Analyse oscillation
Figure 2-10 Math functions
Table 2-2 : Explanatory notes for the Math menu
Function Menu Setup Explanatory Note
Type Math To carry out +, -, ×,/ functions
Set signal source 1 as CH1
waveform
Set signal source 1 as CH2
waveform
Ch1
Ch2
Source 1
Operator
+
-
×
/
Signal source 1 + Signal source 2
Signal source 1 - Signal source 2
Signal source 1 x Signal source 2
Signal source 1 / Signal source 2
Set signal source 2 as CH1
waveform
Set signal source 2 as CH2
waveform
Ch1
Ch2
Source 2
Math range
30
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