Now, the word facility of entire quantity of power line carrier has high speed, is reliable, high capacity organize net convenient, operation cost low advantage, satisfy power automation system completely in each substation and manage the telephone between central upper levels to move to fax, protective, computer information etc.
2000年以来，随着全数字电力线载波新技术的迅速应用，促使电力线载波机由单通道、模拟制式向多通道、全数字的技术方向发展。
A Design of Smart Home Control System Based on Power Line Carrier and Telephone Networks
基于电力载波和电话网络的智能家电控制系统的设计
In a great variety of fields of modern communication, frequency-division multiplexing is a commonly used means to improve the efficiency of the communication system, and this method is widely used in carrier system telephone, broadcasting, television, satellite communications, and so on.
频分复用在现代通信的各个领域中是提高通信系统有效性的常用方法，广泛地应用在载波电话、广播、电视、卫星等通信中。
The applications of remote communication techniques, including line carrier wave based remote control and remote alarm based on short message of mobile telephone in small hydropower station monitoring and control system are introduced. The block diagram of the system and some hardware electric circuits are also given.
介绍了远程通信技术中基于电话线载波的远程控制技术以及基于手机短信息的远程报警技术在小型水电站监控系统中的应用，并给出了系统框图及部分硬件电路。
The automatic transcribe system mainly includes bus wire transcribe system, electric power carrier wave transcribe system and telephone line carrier wave and so on, in which the key technique is front end data pick-up device.
自动抄表系统主要有总线式抄表系统、电力载波式抄表系统和利用电话线路载波方式等几种模式，其中关键的技术是前端数据采集装置。
The production and effects of cross polarization interference on TES telephone earth station were analysed. The analytical algorithms for the effects of cross polarization interference on carrier to noise ratio were got, in satellite link, and used to practice system.
对云南TES电话地球站交叉极化干扰的产生及影响进行了测试分析，得出卫星链路中交叉极化干扰对载噪比的影响程度的分析计算法.并应用于实际系统中。
Multi channel Signal Telemetry System for Coal Mines with Carrier Wave Transmitted by Telephone cable
利用电话线载波的煤矿多路信号遥测系统
The content of this paper includes mainly: design of master console, design of lock control system, the design of the amplify telephone, and research of the communication module of signal carrier and so on.
本文研究讨论的内容主要包括：系统主控制台的设计，闭锁控制系统的设计，扩音电话的设计，载波通讯模块的研究等几个方面。
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.
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。
Transistorized 60-channel balanced cable carrier telephone system
晶体管60平衡电缆路载波电话设备