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SDS5000X Series Digital Oscilloscope User Manual
but the grid area includes 1000 horizontal pixels. In this case, the oscilloscope
needs to interpolate the original points by 20.
ï‚Ÿ X: Linear interpolation, the simplest way of interpolation, connects two
original points with a straight line.
ï‚Ÿ Sinc: Sin(x)/x interpolation, the original point is interpolated according to
the Nyquist reconstruction formula, which has a good time-domain recovery
effect for sine wave. But for step signals/fast rise times, it will introduce false
overshoot due to the Gibbs phenomenon.
X Interpolation
Sinc Interpolation
Acq mode: "Fast" is the default setting. The SDS5000X provides a very high
waveform update rate in fast mode. "Slow" mode will slow down the waveform
update on purpose.
14.2.2 Acquisition
The acquisition mode is used to determine how to acquire and process the
signal.
Normal: The oscilloscope samples the signal with equal time interval. For most
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