载波电话

1
carriertelephone
... 载波carrier 载波电话carriertelephone 载波电话增音机carriertelephonerepeater ...
2
carrier current telephony
... carrier current telegraph 载波电报 carrier current telephone 载波电话 carrier current telephony 载波电话学 ...
3
current telephone
... current tap 分插座 current telephone 载波电话 current terminal 电流端 ...
4
[通信] carrier telephony
... carrier system 载波制 carrier telephony 载波电话 carrier to noise ratio 载波噪声比 ...

短语

1
载波电话终端机
通信 carrier telephone terminal
2
载波电话增音机
通信 carrier telephone repeater
3
同轴电缆载波电话
coaxial cable carrier telephone ; coaxial cable carrier telephone system

1
本文应用自适应滤波理论对煤矿井下架线电机车载波电话的语音增强问题进行研究。
This article applies from the adaptive-filtering theory on proceeding the research of the Speech Enhancement problem in the carrier telephone of the electric locomotive down the coal mine well.
2
本系统还运用电力载波通信芯片(将信道改为电话线路)实现了数据远程通信。
This system use electric power carrier wave communication chips, the channels between which are changed to telephone lines, to realize the long-distance communication of data.
3
对测量的数据进行调制，通过载波线路或电话线进行远距离传输。
Also it can modulate measured data and perform remote transmission via carrier line and telephone wire.

载波电话
载波电话，应用频率分割多路复用的原理，在一对导线上（二线制）或两对导线上（四线制）同时传输多路电话的一种通信方式。这种方式可以提高电话的传输质量和线路利用率，已在长途通信中广泛使用。大容量和中容量的载波电话采用多级调制和解调方式。一般经过各级调制分别组成前群、基群、超群、主群、超主群等。

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