振しん幅ぷく変へん調ちょうしんぷくへんちょうMeanings1nounamplitude modulation; AMTechnical term used in telecommunications and signal processing. Often abbreviated as AM.振しん幅ぷく変へん調ちょうはラジオ放ほう送そうで広ひろく使つかわれている。Amplitude modulation is widely used in radio broadcasting.
