在外差式振荡技术中被称为本地振荡(Local Oscillation)的、用于做乘法运算的信号,在锁相放大器中 被称为参照信号,是从外面输入的。
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最后用这些变量调节本地振荡频率,以跟踪载波频率。
Finally, these judged variables adjust the local oscillating frequency to track the carrier frequency by NCO.
在相干光通信等方面,要求信号光与本地振荡光偏振方向相匹配。
The polarization direction of signal is required to match with that of local oscillator.
频率合成器是射频收发机中非常重要的模块,是用于频率转换和频道选择的本地振荡源。
Frequency Synthesizer (FS) is a very important block, which is used in a wireless transceiver as a local oscillator for frequency translation and channel selection.
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