Constellation diagram

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Notion

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Science and technology

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What Wikipedia says

A constellation diagram is a representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase-shift keying. It displays the signal as a two-dimensional xy-plane scatter diagram in the complex plane at symbol sampling instants.

Excerpt from the Wikipedia article “Constellation diagram”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Splash, CC BY-SA 3.0, via Wikimedia Commons.