Run-Length-Limited Encoding Simulation

written by Teresa Carrigan


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THINGS TO NOTICE

Some encoding schemes are prone to loss of synchronization due to too many time slices at the same voltage level. What is the greatest number of time slices that can be produced by RLL-encoding?

If the average voltage is not zero, then there is a DC component to the signal. This can cause signal distortion and possibly even damage equipment. Does RLL have this problem?

A magnetic disk can store more bits per inch if there are fewer transitions between high and low signal (positive and negative magnetic charge). How many transitions does RLL usually have, compared to other encoding schemes?

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THINGS TO TRY

Set slow-motion to 0.3 and then click go.

Click setup. Attempt one step at a time on paper, and then click the step button to check that you did that the step correctly.


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Applets on this website were written by Teresa Carrigan in 2004, for use in computer science courses at Blackburn College, with the exception of the Fireworks applet. The applets made with NetLogo require Java 1.4.1 or higher to run. The applets made with NetBeans require Java 1.4.2 or higher to run. Applets might not run on Windows 95 or Mac OS 8 or 9. You may obtain the latest Java plugin from Sun's Java site.