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SDS5000X Series Digital Oscilloscope User Manual
19.4 Frequency Analysis
The result of FFT (Fast Fourier Transform) calculations is the frequency
spectrum of the source signal. The horizontal axis of the FFT display is labeled
using frequency (Hz) units instead of time (seconds). In addition, the vertical
axis provides the option of logarithmic scaling (dBVrms/dBArms or dBm).
A. Time-domain waveform display area
B. Spectrum (FFT) waveform display area
C. FFT parameter display area
D. Dialog box
Parameter Display Area
The FFT parameters are displayed in upper right of the spectrum waveform
display area:
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