process of encoding information by varying properties of a periodic carrier waveform
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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Categorization for signal modulation based on data and carrier types
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).