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.
Own work
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 (☮ • ✍)