Modular Interference Diagrams

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These bar charts illustrate interference, the consequence of the interaction between modular graphics and the grid of the screen. The grid serves as a sieve that selects singular values from the continuous function and eliminates the parts between.
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Contributed by: Herbert W. Franke (March 2011)
Open content licensed under CC BY-NC-SA
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Details
In the diagrams, you often see periodic sequences. So it is natural to try an implementation in tones instead of the visualization (see Demonstration in Related Links).
Permanent Citation
"Modular Interference Diagrams"
http://demonstrations.wolfram.com/ModularInterferenceDiagrams/
Wolfram Demonstrations Project
Published: March 7 2011