“下变频解调”的概念、定义、翻译、参考文献-科学参考

单词	下变频解调
释义	下变频解调 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	topological product topological projective plane topological property topological pseudo-manifold topological psychology topological quantum computation topological quantum number topological query topological question topological reason topological regular point topological relation topological relation construction topological relation data model topological representation topological rigidity topological ring topological semi-field topological semigroup topological semi-lattice topological semimetal topological semiordered space topological sequence topological sigma model topological similarity

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。