运营多个网络并使每个网络针对某种特定服务,例如用于传送语音电话的双绞线,难度大,费用高,与此相比,管理单个网络相对容易而且费用偏低。
Managing a single network is easier and cheaper than struggling to cope with multiple networks, each geared for a specific service, such as the "twisted-pair" wires upon which voice calls travel.
非对称数字用户线(ADSL)是利用现有电话网的铜双绞线为用户提供宽带业务的一种新技术。
Asymmetric digital subscriber line (ADSL) is a technology that provides broadband service for users on the existing twisted pair line.
采用双绞线的电缆有屏蔽的,也有非屏蔽的。
Cables with twisted pairs are available shielded or unshielded.
它旨在为双绞线或并行线传输线路提供单极差分驱动。
It is designed to provide unipolar differential drive to twisted pair or parallel wire transmission lines.
PROFIBUS现场总线网络层采用屏蔽双绞线连接。
The shield twisted-pair was used to link with PROFIBUS field bus network layer.
本文主要研究外部电磁场对屏蔽双绞线的干扰耦合情况。
This article mainly studies the interference coupling of external electromagnetic field to STP.
文中提出了一种采用时域测量技术的双绞线测试系统方案。
In this paper, a twisted - pair cable testing system with the time-domain measurement technology is presented.
采用双绞线或者将导线成对紧扎成线束,可以很容易地达到这个要求。
This is easily accomplished with a twisted pair, or at least a tightly cabled pair, of conductors.
本文主要介绍了双绞线的基本概念、分类及其在实际应用中的方法、技巧。
The basic concept and sorts of twisted-pair are introduced and some ways and skills in practice are given in this paper.
与普通双绞线相比,矿用双绞线的线径更大,可以传送更多的数据和信息。
Compared with the common twisted pair, the mine twisted pair has larger diameter, so the pair can carry more data and information.
该采集器可以在传感器附近就地安装,通过双绞线相联组成分布式测量系统。
The collectors can be installed locally, and connected together through twisted-pair wires to compose a distributed measuring system.
通过对母线的寄生电感分析,给出了扁平线和双绞线寄生电感的近似表达式。
The approximate expression of parasitic inductance of flat line and twisted pair line is proposed after the study of parasitic inductance in the AC bus.
DS8923A驱动器旨在为双绞线或平行线传输线路提供单极性差分驱动。
The DS8923A drivers are designed to provide unipolar differential drive to twisted pair or parallel wire transmission lines.
介绍双绞线、模块化信息插座、模块化插头在网络布线中的连接方式以及连接标准。
This article introduced the connecting manner and connecting standard in the network cabling of twisted-pair, moduling information outlet and moduling connector plugs.
在计算机网络中,当双绞线过长、质量太低或布线工艺较差时,网络往往无法连通。
In computer network, when the twisted pair line is excessively long, the quality to be too low or the wiring craft is bad, the network is often unable to connect.
在对双绞线电磁干扰进行研究中,一些学者建立了精确的干扰模型,但并不适合工程应用。
In view of EMI in twisted-pair wires, accurate interference models of twisted-pair wires set up by some scholars can't be used in engineering.
一线网络是一种基于PC或者微控制器的,通过双绞线与一线元件进行数字通信的低成本的总线。
The 1-wire net is a low-cost bus based on a PC or microcontroller communicating digitally over twisted-pair cable with 1-wire components.
翻译:测量是通过向双绞线注入差模信号(DM),然后测量同一对双绞线返回的共模信号(CM)。
The measurement is made by injecting a differential mode signal (DM) into a twisted pair, then measuring the common mode signal (CM) returned on that same twisted pair.
485通讯电缆在一般场合采用双绞线就可以,但在要求比较高的环境下可以采用带屏蔽层的双绞电缆。
RS-485 communication cable in general occasion using twisted pair can be, but under the high requirement of environment can be using tape shielded twisted pair cables.
分析了传感器接口电路常见的干扰及其影响,并讨论了滤波、屏蔽、接地、双绞线传输、隔离等抗干扰技术。
This paper analyses usual interference and its effects, and discusses anti-interference techniques such as filtering, shielding, grounding, transmitting in twisted-pair and isolating.
回波损耗测试是通过向双绞线注入DM(差模信号)然后测试返回的DM信号,然而TCL是测试CM信号。
Except a return Loss measurement is made by injecting a DM signal into the pair and measuring the DM signal returned. Here we are measuring the CM signal returned which is TCL.
本文根据电磁兼容优势效应理论,推导出双绞线传导干扰主要由差模电流引起,辐射干扰主要由共模电流引起。
Basing on dominant effect theory in EMC, conducted emi and radiated emissions of twisted-pair wires are mostly respectively due to differential-mode currents and common-mode currents.
为此根据电磁兼容优势效应理论,推导出双绞线传导干扰主要由差模电流引起,辐射干扰主要由共模电流引起。
Based on dominant effect theory in EMC, the conducted emi and radiated emissions of twisted-pair wires are mainly due to differential-mode currents and common-mode currents, respectively.
该转换器被安装到电脑里面,只需要一根短的双绞线电缆就可以连接到现有的网络,而不需要改变现有的系统。
This converter is installed in the computer, without the system needing to be changed, and connected with the existing network connection of the computer via a short twisted-pair cable.
这个模式下,UDLD可以检测到由于端口的误接引起的光纤的单向链路,并且还可以检测到光纤及双绞线链路中的单向链路。
In aggressive mode, UDLD can also detect unidirectional links due to one-way traffic on fiber-optic and twisted-pair links and to misconnected interfaces on fiber-optic links.
本章首先分析了各种数字载波调制方法,从调制信号信噪比的角度分析说明基于相位调制的方法适合作为双绞线载波调制的方法。
From signal to noise ratio analysis of the modulation signal, we choose the phase modulation method as the suitable carrier modulation for the twisted-pair.
在系统主干线通道上采用光纤通信方式,对于分支通信采用屏蔽双绞线以RS-485方式通信,并对网络体系结构作了详细的描述。
Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…
在系统主干线通道上采用光纤通信方式,对于分支通信采用屏蔽双绞线以RS-485方式通信,并对网络体系结构作了详细的描述。
Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…
应用推荐