Sampling and aliasing

This applet illustrates, in a very simple way, the concept of aliasing. If the sampling frequency is inadequate, the reconstructed signal will be completely erroneous, as can be seen, for example, in the initial setup.


This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com