telephone circuit

No telephone circuit could do this .

没有哪个电话线路能够做到这一点。

Also interference with telephone circuit is reduced because of the absence of zero-sequence currents .

由于无零序电流，对电话线路干扰的影响也降低。

Application of Adaptive Filter and DSP Technology in Telephone Circuit

自适应滤波器与DSP技术在电话电路上的应用

New type connection mode of dispatching telephone circuit

一种新型调度电路连接方式

Factors for Consideration in Electronic Telephone Circuit Designing

电话机电路开发设计中的几个问题

The hardware is made up of the telephone circuit , decoding circuit and controlling circuit .

硬件部分主要由电话机线路、译码电路、解码电路、控制电路等几部分组成。

Most single chip modems are designed and manufactured for the telephone circuit . It is only possible to realize point to point communication through one channel with these single chip modems .

大部分单片调制解调器芯片都是依据电话线路设计制造的，即在一条信道上只能实现点对点的通信。

Filter design technology is adopted to simulate the frequency response characteristics of various analogue transmission equipments in telephone circuit connection and to make simulation study on such telephone speech phenomena as different noise behaviours in telephone channels .

该算法采用滤波器设计技术来模拟电话线路连接中各种模拟传输设备频率响应特性，并对电话通道环境中各种噪音行为等电话语音现象进行了模拟研究。

A consecutive-k-out-of-n : F system comes from telecommunications and oil pipeline system problems since 1980 . It is quickly discovered that this type of system can also be used in design of integrated circuit , satellite relayed communication system and design of telephone circuit etc.

n中取连续k系统是以电信、石油输送管道系统为背景于1980年提出的问题，之后很快发现这种系统在集成电路设计、卫星接力通讯系统。

The article analyses the connection mode of dispatching telephone circuit in common use , points out the existent problems caused by this mode , and through the theoretic analysis tries to reduce part circuit of this connection mode to build a new type connection mode of dispatching telephone circuit .

对目前的调度电话电路的连接方式进行了分析，指出改电路方式存在的问题，通过理论分析，试图减少其中的部分电路环节，构建出一种新型调度电路连接方式。

In the course of practice , by making use of the function of configurable signaling of digital trunk unit ( E1 ) in the switch and by associating with the technology of cross-connection in SDH equipments a new type switching and transmitting mode of dispatching telephone circuit is realized .

在具体操作中，利用调度程控交换机中的数字中继电路（E1）可配置信令功能，结合现代SDH设备的交叉连接技术，实现了一种新型调度电路交换传输模式。

Wireless Telephone Remote-Control Circuit Design Based on STC SCM

基于STC12C5412AD单片机的无线电话遥控电路设计

Maintainence of Telephone Dialing Circuit

电话机拨号电路的检修

Characteristics and Ordinary Breakdown Analysis of Telephone Set Integrated Circuit for not Being Lifted Converse

电话机免提通话集成电路的特点及常见故障的分析

Telephone operation and circuit switch is always the mainstream of the field of telecom since 100 years ago .

100多年来，电话业务和电路交换始终是电信业的主流。

This Recommendation provides basic requirements for psophometers to be used for the measurement of noise and other interfering signals on international telephone circuits and circuit sections .

本建议对用于测量国际电话电路及各电路段上的噪声和其他干扰信号的噪声计提出了基本的要求。