amplitude modulation; AM
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesverb
to vary the amplitude of a carrier wave in accordance with the signal being transmitted; amplitude modulation
technicalTechnical term in telecommunications and radio engineering. Abbreviated as AM in English. Contrasts with 调频 (frequency modulation, FM), where the frequency rather than amplitude is varied.
Zhè这
gè个
diàn电
tái台
shǐ使
yòng用
tiáo调
fú幅
guǎng广
bō播
。
This radio station uses AM broadcasting.
Tiáo调
fú幅
xìn信
hào号
de的
kàng抗
gān干
rǎo扰
néng能
lì力
bù不
rú如
tiáo调
pín频
xìn信
hào号
。
AM signals are less resistant to interference than FM signals.
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Zhè这
xiàng项
jì技
shù术
tōng通
guò过
tiáo调
fú幅
lái来
chuán传
shū输
yīn音
pín频
xìn信
xī息
。
This technology transmits audio information through amplitude modulation.