Rigol MSO2000A Series User Manual

Chapter 6 MATH and Measurements RIGOL
MSO2000A/DS2000A User’s Guide 6-5
FFT
FFT is used to quickly perform Fourier transform on specified signals and transform
time domain signals to frequency domain signals. MSO2000A/DS2000A oscilloscope
provides FFT operation function which enables users to observe the time domain
waveform and spectrum of the signal at the same time. FFT operation can facilitate
the following works:
 Measure harmonic components and distortion in the system
 Measure the characteristics of the noise in DC power
 Analyze vibration
Press MATH  Operate to select “FFT” and set the parameters of FFT operation.
Figure 6-1 FFT Operation
1. Select Source
Press Source to select the desired channel (CH1 or CH2).
2. Select Window Function
Spectral leakage can be considerably decreased when a window function is used.
Vertical Amplitude Horizontal Scale FFT Sample Rate Center Frequency
Frequency Domain Waveform Time Domain Waveform
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Rigol MSO2000A Series Specifications

General

Brand	Rigol
Model	MSO2000A Series
Category	Test Equipment
Language	English