Modulation

Modulation can mean:

Modulation (music), the changing of a piece of music from one key to another.
Modulation (mathematics), the remainder of a division
Frequency Modulation (FM) or Amplitude Modulation (AM), ways to send analog radio signals.
Phase-shift keying and frequency-shift keying, ways to send digital signals.

This disambiguation page lists articles associated with the title Modulation.
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