modulation of a wave by variation of its amplitude; also, the system using such modulation (abbrev. A.M.). Cf. frequency modulation, n.
| 单词 | θ78265 |
| 释义 | the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > modulation > by variation in amplitude (1) amplitude modulation1921 modulation of a wave by variation of its amplitude; also, the system using such modulation (abbrev. A.M.). Cf. frequency modulation, n. |
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