“down-conversion demodulation”的概念、定义、翻译、参考文献-科学参考

单词	down-conversion demodulation
释义	down-conversion demodulation Encyclopedia 工学无线光通信释 down-conversion demodulation下变频解调将高频信号解调到频率较低的频段上并输出。在光载无线通信系统中，射频接收机位于系统的最前端，将天线从空间耦合下来的信号进行放大和下变频，然后再对低频信号进行解调。
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