amplitude modulation
/ˈæmplɪtˌuːd mˌɑːdʒuːlˈeɪʃən/
/ˈamplɪtjˌuːd mˌɒdjʊlˈeɪʃən/
AMAmplitude modulation
01
幅度调制, 调幅
one of the main methods of radio broadcasting with a lower sound quality than FM
例子
The AM signal fades out when driving through areas with poor reception.
在接收不良的地区行驶时，幅度调制信号会逐渐消失。
The weather is causing some interference with the AM radio signal, making it hard to hear clearly.
天气正在对调幅无线电信号造成一些干扰，使得难以听清楚。
