线路终端

提出了一种基于光线路终端（OLT）的接入允许控制（CAC），能够在各光网络单元（ONU）之间合理分配上行资源。

A kind of call admission control ( CAC ) based on OLT is proposed . It can rationally allocate up-link resources between ONUs .

本课题将这两项技术相结合，并采用ATM反向复用技术，设计出了一种新的IP-DSLAM线路终端板。

Integrating the above two technologies as well as IMA , a new IP-DSLAM line termination board is designed .

ATM节点交换机51Mb/s线路终端接口电路的设计

The Design for the 51Mb / s Interface Circuit of ATM Node Exchange Machine Terminal Circuits

而光线路终端（opticallineterminal，OLT）则通过广播方式发送下行数据，但其接收数据也是突发的。

And the Optical line Terminal transmits the downstream data in broadcast mode , but it should receive data coming from the ONUs in burst mode , too .

基于SHDSL的IP-DSLAM线路终端板的开发与研究

The Research and Implementation of IP-DSLAM Line Termination Board Based on SHDSL

IP-DSLAM线路终端板可实现DSL用户的汇聚，完成ATM信元的终结并提供以太网上联口，实现IP骨干网的接入。

IP-DSLAM can realize the functions such as the aggregation of DSL users , the termination of ATM cells , the uplink of Ethernet ports and the access of IP backbone .

在EPON光线路终端（OLT）中借助动态过滤数据库技术实现了一个OLT和多个ONU的逻辑链路MAC仿真，解决了EPON和常规以太网LAN的兼容性问题。

The proposed dynamic filtering database method was applied in EPON center system bridging , which achieved one OLT to many ONUs logic link MAC emulation , to comply with the traditional Ethernet LAN .

ATM无源光网络（PON）中上行方向采用时分复用（TDM）方式，光线路终端（OLT）的接收机工作在突发模式。

The Time Division Multiplexing ( TDM ) is adopted in passive optical network based on Asynchronous Transfer Mode ( ATM ), so a receiver of the Optical Line Terminal ( OLT ) operates on the burst mode .

针对交流耦合OLT（光线路终端）光突发接收模块设计过程中所涉及到的关键技术提出了相应的解决方案，在此基础上设计了交流耦合突发式接收模块。

Corresponding solutions for the involved key technology in the process of designing an AC-coupling Optical Line Termination ( OLT ) burst-mode optical receiver module are presented . Based on this , an AC-coupling burst-mode receiver module is designed .

在无源光网络（PON）中，在上行方向从各网络用户单元（ONU）到光线路终端（OLT）的数据传输采用时分多址（TDMA）的方式，也是突发数据包的传输。

In the PON ( Passive Optical Networks ), the data transmission from ONU ( optical network unit ) to OLT ( optical line termination ) in the up-stream direction employing the style of TDMA ( Time-Division Mutiple Access ), is the burst-mode transmission also .

这对光网络单元（ONU）的设计及与光线路终端（OLT）的通信提供重要依据。

The software of management and control in GPON system and the technology of operation management maintenance are mainly discussed , which is the important reference for designing the optical network unit ( ONU ) and communicate with optical line terminal ( OLT ) .

单线对高速率数字用户线（SHDSL）是新一代的数字用户线宽带接入传输技术，本文主要研制了基于SHDSL的IP-DSLAM线路终端板。

Single-pair High-bit-rate Digital Subscriber Line ( SHDSL ) is a new transport specification used in broadband access via digital subscriber line . The main purpose of this thesis is to research and implement a line termination board of the IP-DSLAM based on SHDSL .

死区时间后只闭合一个线路终端。

Only one line end is closed after the dead time .

无源光网络中光线路终端信号的复接

Multiplexing of Optical Line Terminal Signal in Passive Optical Network

城市轨道交通线路终端防护设备&DDCQ2型滑移式缓冲挡车器

The Protection Equipment of Urban Rapid Rail Transit Railway Terminal

再次从所有线路终端馈入强故障电流时，这会避免压力。

This avoids stress when heavy fault currents are fed from all line ends again .

按照空气动力弹性相似准则，设计制作了某高压输电线路终端塔全塔气动弹性模型，并按响应相似原则模拟了柔性输电导线；

An aeroelastic model for a UHV power transmission tower and its conductors was designed according to the law of similarity and tested in an atmospheric boundary layer wind tunnel .

如此，调节虚拟电阻取值可描述杆塔的各种接线方式。（2）线路终端分为电源终端与负荷终端。

So , adjusting the virtual resistor values can describe the variety wiring of towers . ( 2 ) The line terminal is divided into the power supply terminals and load terminals .

以太无源光网络由局侧的光线路终端、用户侧的多个光网络单元及光分配网络组成，采用无源器件进行连接和交换。

The Ethernet passive optical network consists of in department optical network terminal , many optical network elements in user department , and optical distribution network ; the passive equipments were adopted to carry out the linkage and exchange .

专用于气压维护市话电缆线路，终端设备间的堵气；

Specially used in preventing the air from the joint of air pressurized local cables , and terminal equipments .

在城市快速轨道交通线路的终端，一般均设置了滑动式缓冲挡车器，这种挡车器虽然结构简单，但明显的不足之处是要有一定的摩阻滑动距离，因此设备占用线路的长度相应较长。

A sliding stop buffer is normally installed at the terminal end of a rapid urban rail transit line . This type of stop buffer is simple in structure ;

指出了UPFC的网络线路补偿和终端补偿两种情况，并分别讨论了UPFC的单相补偿和三相补偿。

Pointing out UPFC is to run in net compensation or terminal compensation . Meanwhile , the single-phase compensation and the three-phase compensation are discussed in this dissertation .

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。

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 .

介绍了低压电网的无功补偿方式，主要有线路补偿和终端补偿方式。

This article introduces the methods of reactive compensation in the low voltage power network , mainly the line compensation and terminal compensation .

但是受网络线路以及电脑终端的影响，随时随地的进行语音或者视频还是有一定的限制。

However , there are the impacts of the network lines and the computer terminals for someone want to share voice or video at anytime .

受制造工艺的限制、使用寿命以及工作条件的影响，有多种原因导致网络故障，如网络线路破坏、终端系统或路由设备故障，甚至人为的攻击等。

Due to the restricts of fabricated technical , the using time and the working condition , network faults come from many reasons , such as the destroyed internet wire , the fault of terminal systems or route equipments , and even some attacks by human doing .

通过在ISDN线路上模拟移动终端试验，取得了预期的效果；

Simulating the mobile terminal on ISDN circuit , Inmarsat Mobile ISDN communication system achieves the anticipated result .

送电线路转角塔、终端塔的不对称设计研究

Unsymmetrical Design and Study on Angle and Dead End Towers of Transmission Line

超高压输电线路防盗智能监控终端的研究与设计

Research and Design of a Theftproof Intelligent Surveillance Terminal Device on EHV Transmission Line

一组可执行程序，包括线路管理程序、终端控制程序、缓冲器管理程序及排队控制程序等。

A set of executable programs including those for line handling , terminal control , buffer management , queue control , etc.