Interpolation in digital oscillogaphy
Digital oscilloscopes, unlike their analog counterpart, measure the input signal not continuous but at discrete moments of time. On the one hand the device should display the most accurate measurements, on the other — it is difficult to visually perceive the shape of signal displayed as just a set of dots. There is a need to «draw a continuous line on certain dots» but the question is: how to do this? This article tells about different methods of signal interpolation, their benefits and disadvantages.
Author(s): Afonskiy, Alexander, Sukhanov E.
Issue: KIPiS 2010 #5
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