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modulation

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Also known as signal modulation, wave modulation, waveform modulation

process of encoding information by varying properties of a periodic carrier waveform

AI overview

Modulation is a technique for sending information by changing properties of a carrier wave—such as its amplitude, frequency, or phase—in a way that encodes the message you want to transmit. It matters because it's the fundamental method used to broadcast signals over long distances in radio, television, cellular networks, and many other communication systems.

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Image: Modulation categorization.svg

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Commons category: Radio modulation modes
Stack Exchange tag: stackoverflow.com/tags/modulation

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Categorization for signal modulation based on data and carrier types

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Frequency mixers Physical layer protocols Radio modulation modes Radio technology Telecommunication theory Television technology Television terminology