“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。
随便看	rural spatial structure rural spinning rural spiritual civilization construction rural sports rural substation rural surplus labor rural surplus labor force rural sustainable development model rural tax reform rural three-tertiary health institutions rural tourism waste rural traditional industry rural transect Rural transfer population rural transformation rural transformation development rural troupe of Cantonese opera rural TV drama rural urbanization rural-urban migrants rural-urban migration rural vacant and abandoned land rural veteran benefit and placement rural vitalization strategy rural waste recycle machinery

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。