carrier telegraph,carrier telegraphy是什么意思

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用法例句

The design of transfers module for the power line carrier wave;

电力线载波双向传输模块设计

This article illuminates the ideation and circuit structure of Panasonic CL4welding machine,especially analyzes the commuication mode by carrier wave with pulse signal and work principle of welding machine on carrier wave communications.

介绍了松下CL4二氧化碳焊机的设计思想和电路结构,重点分析了其脉冲+载波的远距离通信方式及通过载波通信实现焊机各功能的工作原理。

Here introduced is the circuit composition of coal mine multi channel signal telemetry system with carrier wave transmitted through telephone line and precise V/F conversion circuit designed with LM331 and TL082.

介绍了利用煤矿电话线传输载波的多路信号遥测系统的电路组成以及利用ＬＭ３３１ 和ＴＬ０８２ 等设计的精密Ｖ／Ｆ转换电路，并针对系统调试和运行过程中出现的问题及采取的措施进行了分析。