1) DMR
数字移动无线电
2) wireless mobile digital campus network
无线移动数字校园网
1.
The basic structure of wireless mobile digital campus network is given in this paper,and the layer model,including the core layer,distribution layer and access layer,is designed.
给出了无线移动数字校园网的基本组成,从网络分层模型出发,对无线移动数字校园网络的接入层、汇聚层、核心层进行分层设计。
3) digital radio
数字无线电
1.
We also introduced some concept of digital radio, including digital direction synthesizer (DDS) and digital down conversion (DDC) and digital filter.
介绍了数字直接合成器 (DDS)、数字下变频器 (DDC)、数字滤波器等数字无线电经常用到的概念 。
补充资料：无线电通信波段(见无线电通信)
无线电通信波段(见无线电通信)
radio communication wave range
wuxiandian tongXin boduan无线电通信波段(rads。。ommunicationWaVe range)见无线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条