B&K Precision 2552-2559 - Manual - Manual (Page 38)

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Table 8 - Math Function Description
Operation Setting Description
＋ A+B
Source A waveform adds Source B
waveform.
－ A-B
Source A waveform is subtracted
from Source B waveform.
* A*B
Source A multiply Source B
/ A/B Source A divides Source B
FFT Fast Fourier Transform.
Figure 23- Math Waveform
FFT Function
The FFT process mathematically converts a time-domain signal into its
frequency components. You can use the Math FFT mode to view the
following types of signals:
• Analyze the harmonic wave in a power cable.
• Test the harmonic content and distortion in a system