通信系统
communication system
通信系统模型
model of communication system
同轴载波通信系统
coaxial carrier system
调幅
amplitude modulation
AM; amplitude modulation
调幅波的包封
modulation envelope
调幅电波
amplitude-modulated wave
调幅发射机的平均输出功率
average power output of anamplitude-modulated transmit-ter
调幅法
modulation method
调幅广播
amplitud-modulation broadcast
调幅控制
modulating control
调幅器
modulator
调幅抑制比
amplitude suppression ratio
调幅杂音电平
amplitude-modulation noise level
同调幅射
coherent radiation
太空通信
deep space communication
通道间通信
interchannel communication
通信
communitcate by letter; correspond; correspondence
communication
通信闭塞制
telegraph or telephone block system
通信部
DOC
通信操作
traffic operation