This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionAmplitude Modulated Wave-hm-64.svg
English: Amplitude modulations for modulation indices: 50% (under modulated), 100% and 150% (over modulated). In the figure, the carrier wave frequency is 10 times the modulation signal frequency.
Date
Original: 16 November 2012 Simplified: 19 April 2015
Source
Own work
Author
Originally by The.ever.kid, drawn using Mathematica and Adobe Illusttrator and simplified version drawn by hand using a text editor. Simplified hand-drawn version by Rubber Duck (☮ • ✍)
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Add a one-line explanation of what this file represents