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telephone line
相关语句
  电话线
     ADSL (Asymmetric Digital Subscriber Line) is a broadband access technology capable of delivering large bandwidth over existing copper telephone line infrastructure.
     ADSL(Asymmetric Digital Subscriber Line)不对称数字用户环路是一种在现有电话线传输高速数字信号的一种宽带接入技术。
短句来源
     Design of the Remote Alarm Based on Telephone Line
     基于电话线的远程报警器的设计
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     This article introduces two simple service software for net browsing - - - Ccproxy3 .9 + + and Wingate 4. 1 both enable computers in the whole local area network to visit internet through sharing one modem and one telephone line.
     本文介绍两种简单易用的上网代理服务软件:Ccproxy 3.9++和 Wingate 4.1,这两种上网软件都可以做到通过共享一台Modem加一条电话线,使整个局域网上的计算机都可以访问因特网。
短句来源
     Toreduce the cost of board ,the Data Communicating Board was designed to communicate using R1120 .16-bit Singlechip. to control RTL8019AS Ethernet Controller and 73M2901 MODEM interface chip. which can connect Internet both through telephone line and LAN.
     考虑到税控机通常传送的数据量不大,且对速度要求不高,为降低通信板成本,我们设计了用R1120十六位单片机来控制RTL8019AS以太网控制芯片和73M2901 MODEM接口芯片以及56K MODEM接口模块的远程数据通信板,该板既可利用普通电话线拨号上网,也可通过以太网与互联网相连;
短句来源
     Asymmetric digital subscriber line (ADSL) is one of these technologies capable of delivering large bandwidth over existing copper telephone line infrastructure, and it is widely applied in home and enterprises now.
     ADSL(Asymmetric Digital Subscriber Line-非对称式数字用户线路)作为一种高速的数据传输技术,主要以铜质电话线为主要传输媒质,已经越来越广泛的应用于各类中小型企业以及家庭中。
短句来源
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  电话线路
     A Study on Computer Communication by Multiplex Telephone Line
     复用电话线路计算机通信的研究
短句来源
     Study on Large Scale Telephone Line Expanding Devices
     大规模电话线路扩容器的研究
短句来源
     The Study of the Large-scale Telephone Line Expander
     大规模电话线路扩容器的研究
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     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.
     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。
短句来源
     On the other hand researching the operation principle of embedded FSK modem, designing and applying in the telephone line interface, enhanced the system communication speed, anti-interference ability and transmitted the stability, has realized the reliable transmission oflong-distance range and great data quantity on the telephone line.
     另一方面研究了嵌入式FSK音频调制解调器的工作原理,并设计应用于电话线路远程通信接口中,提高了系统的通信速度、抗干扰能力和传输稳定性,实现了电话线路上远距离、大数据量的可靠传输。
短句来源
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  市话线路
     This paper,based on the measurement of the impedance-frequency characteristics and attenuation characteristics of the city telephone line network ,proposes a method of FDM to transfer carrier signal,such as digital modulation signal,tone carrier signal,etc .
     在对市内电话信道阻抗特性、衰耗特性测试的基础上,提出市话线路可采用频分复用的方法传递载波信号,如数字调制信号、语言载波信号等。
短句来源
     Beginning with a description of the development of computer networks and the actual significance of developing microcomputer network on telephone line, this paperintroduces the characteristics and functions of a microcomputer communication networksystem-CCNS recently developed by us, which consists of channel nodes in a form of tele-phone exchanger, telephone line, computer with DOS and software programmed on thepurpose to cancel the network interface board.
     本文简述计算机网络的发展和开发以市话线路为信道的微机网络的现实意义,尔后介绍我们近期开发的CCNS微机通信网络的特点和功能。 CCNS以电话交换机作为信道交换节点,具有数据与语音共用电话线路,实现运行DOS操作系统的计算机,用软件(不用网络接口板)实现连网的微机通信网络。
短句来源
  “telephone line”译为未确定词的双语例句
     DESIGN AND IMPLEMENTATION FOR MTN 819 MULTI FUNCTION ALARM SYSTEM THROUGH TELEPHONE LINE
     MTN 819多功能电话报警系统的设计与实现
短句来源
     STUDY OF COMMUNICATION RELIABILITY OF AUTOMATIC TESTER FOR TELEPHONE LINE
     自动话路特性测试仪通信可靠性研究
短句来源
     The none real timetransmission of digitized high fidelity sound and static picture via public telephone line areapplicable techniques for substation monitoring.
     分析了变电站声音和图象的监测信息远方传输的可能性和技术难点,认为用公用电话网的非实时数字化高保真度声音和静态图象的远方传输是变电站监测中目前可以普及的技术;
短句来源
     How to Provide the Telephone Line Services for Enterprise
     如何为企业提供端到端的专线服务
短句来源
     Technology of Telephone Line Protected from Information Leakage
     电话网线防信息泄漏技术
短句来源
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  telephone line
This paper outlines our university SOHO connection system and discusses the merits and demerits of using telephone line connections.
      
A novel fully CMOS circuit for electronic telephone line adaption is described.
      
Electronic fixation of the images and their transmission by telephone line (ISDN) is easily available and an important feature of the multimedia system applied in telepathology.
      
Continuous Laser-Doppler free-flap monitoring via the telephone line
      
In the method, a telephone line network or purpose-built long baseline cables are utilized to measure voltage differences with long electrode separations.
      
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DJS-6 data communication system is a system having DJS-6 computer as central unit connecting with all the terminals through various communication lines. The system can be used to fulfill the tasks of transmission, computation, and tabling of data from various users. The system consists of central computer, communication control unit(four-route, full duplex), terminals, lines, system software, application programs and checking program. Its operational specificities are: timing, exclusiveness, main computer in...

DJS-6 data communication system is a system having DJS-6 computer as central unit connecting with all the terminals through various communication lines. The system can be used to fulfill the tasks of transmission, computation, and tabling of data from various users. The system consists of central computer, communication control unit(four-route, full duplex), terminals, lines, system software, application programs and checking program. Its operational specificities are: timing, exclusiveness, main computer in active state and on-line processing. The system have been repeatedly tested in the machine room, on the telephone line in shanghai proper, and on Beijing-Shanghai trunk-call line. The testing results have proved that the system is successful in design, feasible in technique and basically stable in operation. In this paper, the composition, speciality and operation of the system are introduced separately on hardware and software.

DJS-6数据传输系统是以DJS-6计算机为中心,通过各种通信线路与诸终端相连,完成各类用户数据的传输、计算、制表工作。系统包括中央主机、四路全双工通信控制器、终端设备、线路、系统软件、应用程序及检查程序。运行特点是定时、排它、主机主动和联机方式。经过在机房、上海市内电话线、京—沪长途电话线三种方式的反复考验,证明系统在设计上是成功的,技术上是可行的,运行基本上稳定。本文从硬件和软件角度分别介绍了系统的构成、特点与操作。

This paper discusses a new voice-data multiplexing transmission system which can transmit data signals along a telephone line so that the speakers can get remote hand-written texts or diagrams when a conversation is going on. This system uses time assignment method to multiplex (interpolate) voice and data signals and then transmits them along the same channel. Compared with the usual frequency division system, this system can improve the transmission qualty. Another feature of this system is that it possesses...

This paper discusses a new voice-data multiplexing transmission system which can transmit data signals along a telephone line so that the speakers can get remote hand-written texts or diagrams when a conversation is going on. This system uses time assignment method to multiplex (interpolate) voice and data signals and then transmits them along the same channel. Compared with the usual frequency division system, this system can improve the transmission qualty. Another feature of this system is that it possesses the capability of on-line identification, that is, data and voice signals can be idsntified and dispatched in real time according to their inherent features. As a result of no identification signal, this sysem can raise the efficiency of telephone channel.In this paper,a new method of on-line identification (conversion and cascade method) , which was at first proposed for this system, is described.This method simplifies the system with higher accuracy.

本文探讨的是一种新的话音——数据混合传输系统。它可以在通话同时传送数据信号,使对话双方能及时见到所讨论的数据、文字与图形。本系统特点之一是采用时间分配体制解决两种信号通过同一信道传输的问题。即在话音间隙中传送数据。由于每种信号均可占用全部电话频段,与已有的频分系统相比能改善信号传送质量。本系统的另一特点是具有在线识别功能,在发送端无须发送附加的标志信号,接收端根据话音与数据的特点实时地在进行识别与分遣,从而提高了信道利用率。文中介绍了一种新的在线识别方法(变换——分步法),它具有线路简单和识别准确的特点,是作者为解决本系统中两种信号的识别问题而提出的。

This paper deals with the design method of the frequency—type remote supervi-sory control equipment with piezo-electric fork for frequency elements.Using elec-tric fork we have four advantages:1.Because of the piezo-electric fork's higherfrequency stability,its filter has a sharp selective character and a definite startingand stopping time for oscillation.Thus,the forks are not easily interfered by pulsenoise.2.Having the character of faster response.3.Having a long serviceablelife and 4.Because of the central...

This paper deals with the design method of the frequency—type remote supervi-sory control equipment with piezo-electric fork for frequency elements.Using elec-tric fork we have four advantages:1.Because of the piezo-electric fork's higherfrequency stability,its filter has a sharp selective character and a definite startingand stopping time for oscillation.Thus,the forks are not easily interfered by pulsenoise.2.Having the character of faster response.3.Having a long serviceablelife and 4.Because of the central frequencies of the forks standing in the audiofrequency band,one can realize supervisory control and telemetering with onlyone pair of telephone lines for many controlled objects.At the end of the articlean example for its design has been given.

本文讨论利用压电音叉作为频率元件的频率制远动装置的设计方法。在频率制远动装置中使用压电音又有下列四个优点:(1)压电音叉的频率稳定性高,压电音叉滤波器的选择特性尖锐,需要一定的起振和停振时间,所以,不易接受脉冲干扰;(2)响应速度比较快;(3)使用寿命长;(4)由于在音频频率范围中使用,所以只要用一对电话线就可以对多个对象实现远距离操作和测量。本文的最后,介绍了一个设计实例。

 
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