传输线路

用ADSL作为新一代天气雷达备用传输线路的设计

Design of ADSL as the backup transmission line of the new generation weather radar

基于PMU的多端传输线路故障定位新方法

A novel PMU-based fault location algorithm for multi-terminal transmission line

电力线通信（简称PLC）是利用工频电能传输线路作为传输媒介的通信方式。

Power Line Communication is one special way of communication by using power line of industrial frequency as the transmission media .

某电网SDH光纤通道传输线路保护信号的应用

The Application of the SDH Fiberoptics Communications on the Signals of Protection in the Electric-Net

接着，叙述WDM在光纤传输线路中的应用，对加大传输容量非常有效。

Then , it explains the application of WDM / DWDM on optical fiber transmission lines .

另外，E1线路是一种比较方便和可靠的远程传输线路。

On the other hand , E1 is lines of the remote transmission with convenience and reliability .

为了补偿传输线路中的PMD效应，本实验室已做了几年的理论研究。

In order to compensate the PMD influence , several years theory research had been taken in our laboratory .

根据此系统的功能模型和数据传输线路规程，详细分析了DNC通信平台、事件接收平台和DNC控制器内核的实现方法。

The means of achieving communication platform , events receive platform and DNC controller core are defined .

本文分析了干扰对某CAT系统的影响，从电磁屏蔽、电源系统、传输线路和接地系统等进行了硬件抗干扰设计。

The paper analyzes interference of jam in the CAT system , and accomplishes anti-jamming hardware design based on design of electromagnetism shield , power supply , transmit lines and grounding system .

E1传输线路在我国通信网络系统中具有广泛的应用，对其传输性能的分析与检测成为维持网络正常运行的关键因素。

E1 transmission lines are widely used in communication network systems in our country . Testing and analyzing performance of E1 line become a key factor for network maintenance .

为了使用DOP做为PMD的监测反馈信号，需要在传输线路中模拟DGD的状态，为此设计了一个PMD仿真器。

In order to use DOP as PMD monitoring feedback signal , it is required to emulate the state of DGD in the transition circuitry . A PMD emulator is designed .

根据均匀传输线路的频率特性，对于空载线路，当频率小于fm时，线路输入阻抗呈容性，线路可用一集中电容等效。

According to the frequency characteristic of an even transmission line , when the frequency is lower than fm , the input impedance of an unloaded even transmission line is capacitive , and the line maybe modeled as a capacitor .

随着SDH设备的大面积采用以及大容量的ATM交换机的不断商用化，以高速光纤传输线路和高吞吐量的网络交换节点为特征的现代通信网络格局已经形成。

With the SDH equipments are applied widely and the large capacity ATM exchangers are constantly commercialized , the modern communication network pattern has been formed with the characteristics of high-speed transmission by optic fiber circuit and high throughput in network switch nodes .

光纤具有较高的拉曼增益系数，利用这一点可以用较短长度的DCF光纤制成分立式的光纤拉曼放大器，作为传输线路上的损耗补偿。

For dispersion compensating fiber ( DCF ) shows relative high Raman gain coefficient , it can be used as discrete fiber Raman amplifier to compensate the loss of signal in a transmission fiber span .

SDH自愈网功能可保证一条传输线路出现故障时快速转换到另一条完好的线路，但是信号发送和接收的路由不一致，而纵联电流差动保护则要求发送和接收的路由必须一致。

SDH self-healing network feature guarantees a transmission line which fails quickly converted to another good line , but the routing of the signal is sent and received inconsistent with pilot current differential protection which requires sending and receiving routing must be consistent .

该文讲述了如何利用摄像机、计算机、极低速传输线路PSTN（公用电话交换网）及互联网络构建一种智能型的、远程分布式的、实时可视化基于静态现场的监控系统。

This article represents how to construct a intelligent , visible , distributed security monitor system of remote static scene by using video camera , computer , low-band network PSTN ( Public System of Telephone Network ) and Internet .

针对基于以太网的DNC通信系统的特点，建立了数控程序传输线路规程，采用缓冲区控制方法，利用Windows提供的网络编程接口Socket，在Visualc++编程环境下实现了DNC通信平台的程序开发。

According to the characteristics of DNC system , the transmitting rule of NC code is constructed . Using the control mode of buffer , through the programming interface socket provided by Windows , the Visual C + + was adopted to develop the program platform for DNC communication .

电力传输线路单端故障测距新算法

A New Algorithm of Single-terminal Fault Distance Measurement of Transmission Line

传输线路引起的数字信号畸变与抑制

Digital Singal Distortions Caused by Transmission Path and their Reduction Techniques

第二部分是传输线路&无线电信号。

A second part is the transmission link-a radio signal .

传输线路故障造成基站闪断的分析处理

The Analysis of the Base Station Flash off Caused by Transmission Line Fault

基于多普勒雷达传输线路的综合探测业务宽带传输网络系统

Wide-Band Transmitting Network System for Comprehensive Sounding Service Based on Doppler Radar Communication

无法找到密码和传输线路。

Can 't find the code or the uplink .

电力传输线路中电流测量系统的设计和实现

Design and Implementation of the Current Measure System in the Electric Power Transmission

山区无线列调传输线路系统调试

System Adjustments and Tests of Wireless Transmission Lines of Train Dispatch in Mountain Areas

在租用的电话线路上增加设备以改善数据传输线路的特性。

The addition of equipment to a leased telephone line to improve its data-handling characteristics .

长途光传输线路技术的发展

Development of long-distance optical transmission line technologies

探讨了定压式公共广播系统传输线路的一些问题。

Some problems of the power transmission circuit in the public address system are discussed .

千兆以太网传输线路的研究

Study of Translation Line in GIGABIT ETHERNET

异步效验错误总数。有杂音的传输线路会造成这些错误。

Total number of async parity errors . These can be caused by a noisy transmission line .