File:CriticalFrequencyAliasing.svg

Summary

Description
English: Plot of some sinusoids with the critical frequency (one half cycle per sample), all having samples alternating between +1 and -1 at integer values of t/T.
Date
Source Created from scratch with gnuplot, based on idea from original bitmap version
Author Qef
Other versions
 
This W3C-unspecified plot was created with Gnuplot.
Category:Unspec SVG created with Gnuplot#00060806CriticalFrequencyAliasing.svg

The 'CriticalFrequencyAliasing.points' file contains the following:

 
This W3C-unspecified plot was created with Gnuplot.
Category:Unspec SVG created with Gnuplot#00060806CriticalFrequencyAliasing.svg

Finally, after running Gnuplot I post-processed the image with 'sed' to tweak the axis labels, changing hyphens to real minus signs:

sed 's/<text>-/<text>\xE2\x88\x92/g' <input.svg >output.svg

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Category:Self-published work#CriticalFrequencyAliasing.svgCategory:PD-self#CriticalFrequencyAliasing.svg Category:Signal processing Category:Nyquist Shannon theorem
Category:Nyquist Shannon theorem Category:PD-self Category:Self-published work Category:Signal processing Category:Unspec SVG created with Gnuplot