heterodyne stage
... herbaceous stage 草本群落阶段 heterodyne stage 外差级 high input-impedance stage 高阻抗输入级 ...
基于12个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
在现代通信系统中，毫米波频段通常采用超外差接收机，混频器作为第一级就成为关键部件。
The super-heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system.
youdao
应用推荐
模块上移
模块下移
不移动