Math setups FFT process
FFT process
The FFT process m athematically converts the standard time-domain signal (repetitive or single-shot
acquisition) into its frequency components.
The FFT function process es the waveform record and displays the FFT frequency domain record, which
contains the input signal frequency components from DC (0 Hz) to ½ the sample frequency (also called
the Nyquist
frequency
(see page 173)).
The FFT display
The following illustration shows a typical time-domain w aveform and the frequency components of that
signal as part of the math FFT waveform.
252 DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series
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