请输入您要查询的字词:
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/7/29 19:39:26