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Math FFT
TDS1000/2000-Series Digital Oscilloscope User Manual
121
Applying a window to the YT waveform changes the waveform so
that the start and stop values are close to each other, reducing the
discontinuities.
Time-domain
(YT) waveform
YT waveform
after windowing
Window
function
(Hanning)
FFT
×
=
Point-by-point
multiply
With windowing
Center 2048
data points