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Sin(x)/x Interpolation
When the number of pixels across the scope view is greater than the number of
samples in the waveform buffer, PicoScope interpolates - that is, it fills the space
between the samples with estimated data. It can either draw straight lines between
the samples (linear interpolation) or connect them with smooth curves (sin(x)/x
interpolation). Linear interpolation makes it easier to see where the samples are,
which is useful for high-accuracy measurements, but results in a jagged waveform.
Sin(x)/x interpolation gives a smoother waveform but disguises the true locations of
the samples, so should be used with care when the number of samples on the screen
is low.
You can adjust the number of samples below which sin(x)/x interpolation is switched
on. Sin(x)/x interpolation is used only on the scope's fastest timebase.