电话通信系统

基于AMBE算法的网络电话通信系统终端机研制

Design of terminal unit in computer network telephone systems based on AMBE algorithm

具有拨号功能的无主机扩音对讲电话通信系统的研制

Development of a non-central-switch amplifying call and talking telephone system with dialing

港口地区有线电话通信系统工程设计规范

Code for design of cable telephone communication system engineering in port areas

传统电话通信系统包括终端设备、传输设备、交换设备。

Traditional telephone communications system includes terminal equipment , transmission equipment , switching equipment .

另外，目前的电话通信系统普遍不具有防爆功能。

In another way , the presently-used telephone communication system commonly hasn 't the function of explosion-proof .

利用现有的计算机网络资源组建电话通信系统为电话通信开辟了一条新的途径。

Utilizing existing computer network resources to set up the communication system of the telephone opened up a new way for the telephone communication .

目前使用的电话通信系统主要是采用星型拓扑结构，其用户话机通过各自的电话线路与主机相连的有主机系统。

Most of the presently-used telephone communication system is the central-switching one which adopts the star topological structure and whose user sets are connected to the switch through their respective telephone lines .

计算机网络电话通信系统无需铺设电话线路和购置电话通信网络设备，节省大量建设电话网络的设备费、线路费和工程费等费用，可取得显著的经济效益。

The system is using the existing the network resources to obtain the prominent economic benefit through organizing the telephone communication without putting on the lines and purchasing the telecommunication network equipments , which is saved much costs such as equipment charges , lines charges , and project charges .

为了对传统的基于电路交换的电话调度通信系统进行升级改造，提出了一种基于IP电话（VoIP）技术的电力IP调度通信系统，介绍了该系统的工作原理及主要部件的实现方案。

In order to renovate and upgrade the traditional telephone dispatching communication system based on circuit switching an electric power dispatching system based on VoIP is put forward and its implementation is proposed . Moreover , the structural principle and its main components are presented .

国际电话电报通信系统

International telephone and telegraph communications system

单片机与PC机电话远程通信系统

Telephone Telecommunication System by SINGLECHIP PC

针对大型海洋资料浮标大数据量传输的要求，在浮标上采用铱星电话数据通信系统传输实时水文气象数据。

According to the requirement of large amount of data communication on large data buoy , the iridium data ( communication ) system was used to transfer hydrology and meteorology data .

本文所研究的TDD数字对讲机，它为无绳电话、集群通信系统提供了另一种基于TDD方式的选择方案。

The digital handset studied in this thesis can provide another resolvent based on TDD for the Trunked communication system and cordless phone system .

我们面对的主要问题，是要重建南部省份的通信，那里没有电话和其他通信系统。

The major difficulty is to restore the communication of the southeast part of Haiti , there is no telephone and other correspondence system .

在民用领域，基于ADSL、LAN的可视电话、3G多媒体通信系统、图像监控等系统，也是以图像处理平台为基础的。

In civil domain , systems like based on ADSL , LAN system and so on videophone , 3G multimedia communications system , picture monitoring , also similarly take the picture processing platform as the foundation .

然而，由于宽带网络尚未普及，便产生了以远程监控、视频会议、可视电话及移动多媒体通信系统为代表的低比特率通信系统。

Because the bandwidth of networks is very limited , the demand of low bit rate communication systems such as distant surveillance system and video meeting system is rapidly growing .

以一个典型的远程通信工程为例，介绍了基于电话线路的远程通信系统设计和软硬件细节。

This paper takes a typical remote communication project as an example , and introduces the realization of the software and hardware in the remote communication system based on telephone line in detail .

本文提出了利用计算机网络来实现电话用户音频数据流的高速传输及交换的计算机网络电话通信系统，从而研制了基于计算机技术、电子技术和通信技术的计算机网络电话通信系统的用户终端。

This telephone communication system can use the computer network to transmit and switch the data stream for the telephone subscriber in a high speed . In this paper the telephone termination of the telephone communication system which adopts the technic of the computer , electronic and communication is designed .