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Contents
Selection
Flashcard status
Presentation
Question
Answer
Question
相位锁定环描述：
[...]
Answer
相位锁定环是一种通信技术，输入一个之前经过幅度调制的接收信号，输出一个频率相同的正弦振荡信号。其原理根本上来说就是通过不断减小接收信号和本地振荡器信号之间的相位差，使得本地振荡器信号的频率不断逼近接收信号的频率.
Question
相位锁定环描述：
[...]
Answer
?
Question
相位锁定环描述：
[...]
Answer
相位锁定环是一种通信技术，输入一个之前经过幅度调制的接收信号，输出一个频率相同的正弦振荡信号。其原理根本上来说就是通过不断减小接收信号和本地振荡器信号之间的相位差，使得本地振荡器信号的频率不断逼近接收信号的频率.
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相位锁定环描述
相位锁定环描述：
相位锁定环是一种通信技术，输入一个之前经过幅度调制的接收信号，输出一个频率相同的正弦振荡信号。其原理根本上来说就是通过不断减小接收信号和本地振荡器信号之间的相位差，使得本地振荡器信号的频率不断逼近接收信号的频率.
Summary
status
not learned
measured difficulty
37% [default]
last interval [days]
repetition number in this series
0
memorised on
scheduled repetition
scheduled repetition interval
last repetition or drill
Details
No repetitions
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