Modulation facts for kids
Modulation can mean:
- Modulation (music), the changing of a piece of music from one key to another.
- 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.
Images for kids
A carrier, frequency modulated by a 1,000 Hz sinusoid. The modulation index has been adjusted to around 2.4, so the carrier frequency has small amplitude. Several strong sidebands are apparent; in principle an infinite number are produced in FM but the higher-order sidebands are of negligible magnitude.
- In Spanish: Modulación (telecomunicación)
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