When there is a modulated signal from transmitter, there are side bands.

只要在发射机中存在调制信号, 就含有旁频带出现.

辞典例句

A functional unit that converts a modulated signal into the originalsignal.

属于某一操作装置的组成部分的硬件或软件.

互联网

A functional unit that converts a modulated signal into the original signal.

把已调制过的信号恢复为原始信号的一种功能部件,或叫操作装置.

互联网

A functional unit that converts a signal into a modulated signal suitable for transmission.

将信号转变成适合于传输的被调制信号的一种操作装置.

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