| 释义 |
local oscillator
本地振荡器
A device used to supply a stable single-frequency signal to an up-converter or down-converter. The local oscillator signal is mixed with the information-carrying signal to change its frequency up or down.
向上变频器或下变频器提供稳定单频信号的一种设备。本机振荡器信号和信息 传输信号混频,使其频率上调或下调。 |