术语 | local oscillator |
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。 |
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