Rigol DS1102/4B User Manual page 43

Using FFT function
The FFT (Fast Fourier Transform) process converts a time-domain signal into its
frequency components mathematically. FFT waveforms are useful in the following
applications:
z
Measuring harmonic content and distortion in systems
z
Characterizing noise in DC power supplies
z
Analyzing vibration
Figure 2-18 Table 2-7 The FFT menu (Page 1/2)
Menu
Operate
Source
Window
Display
© 2008 RIGOL Technologies, Inc.
Settings
A+B Add source A to source B.
A-B Subtract source B from source A.
A×B Multiply source B by source A.
FFT Fast Fourier Transform.
CH1, CH2, Define CH1, CH2, CH3 or CH4 as
CH3, CH4 FFT source.
Rectangle
Hanning
Select window for FFT.
Hamming
Blackman
Split Display FFT waveform on half screen.
Full screen
Display FFT waveform on full screen.
User's Guide for DS1000B Series
RIGOL
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