光端机

小容量光端机告警系统的比较

Comparison of Alarm Systems for Little Capacity PDH

并指出在FTTP领域，EPON和多业务网络光端机是适合大多数大用户的普遍接入的解决方案。

And the conclusion that EPON and multiservice network optical transceiver are suitable solutions for most VIP clients in FTTP application is drawn .

基于FPGA的光端机UART接口设计与实现

Design and Realization of UART in Optical Terminal Based on FPGA

VHDL语言在数字光端机专用芯片中的一个应用

A Application of VHDL in Designing Digital Optical Communication ASIC

市县HFC系统如何选择和使用光端机

How to Choose and Use Optical End Machine over HFC System in City and Country

s及以下速率的光纤传输系统，如SDH系统、数字视频光端机等。

Applied to optic fiber transmission systems , such as SDH and digital video optical terminal devices with bit rate up to622Mbps .

基于LVDS技术的数字光端机设计

Design of Digital Optical Terminal Based on LVDS Technology

这种测量方法可方便而准确地测量使用DFBLD的光端机的直接光强调制深度。

The depth of intensity modulation of optical transmitter using DFB LD may be also measured easily and accurately with the method .

将图像监控系统的图像信息的传输方式由传统的模拟光端机方式优化为MPEG-2数字编解码传输方式；

Person who carry way optimize as MPEG-2 digital compiled code transmission means only by traditional simulation picture transmission means of information of monitoring system ;

提供了SDH光端机为终端设备在2Mbit/s业务码流中提取同步信号的方法，阐述了E1远端模块的性能特点。

How SDH optical terminal selects synchronizing signal for terminals at 2 Mbit / s business code flow is presented , the characteristic of El distance module is elaborated .

本文设计的数字光端机是以数字通信技术为理论前提，结合EDA开发工具，利用VHDL语言进行编程，以FPGA为硬件基础来设计开发数字光端机系统。

Based on the digital communication technology , the digital optical terminal this academic paper designed use EDA as development tool . Using VHDL programming , it tests and runs in the FPGA hardware .

目前对光端机稳定精度的测试方法无论是室外还是室内测试，都存在一定的缺点，因此，本文提出了一种基于PSD技术的转台稳定精度检测方法。

The present testing method of stabilization accuracy whether the outdoor test or the indoor test all have certain shortcomings . Therefore , this paper proposed a measurement method based on PSD technology .

最后总结了FSO无线光端机的性能指标和特点，并提出如何提高FSO系统的灵敏度和增加ATP子系统的建议，指出下一步研究的方向。

Summarize the performance and characteristics of FSO equipment , point out some ways to improve the sensitivity of FSO system and add ATP subsystem , which is the next step to research .

由于HFC接入网还没有定义标准的节点，因此，要用SNMP对如光端机、光放大器等设备进行管理，必须要扩展原有的MIB。

There has no standard node for HFC access network , then we must extend the current MIB tree if we want to manage devices by SNMP , such as optic transmitter-receiver , EDFA and so on .

地面集控中心主要包括地面监控计算机和地面光端机，其中地面光端机完成电信号与光信号的相互转换，地面监控计算机以组态软件InTouch为监控软件。

The ground optical complete the mutual conversion of electrical signals and optical signals , the ground monitoring computer monitoring software is based on the configuration software InTouch .

前向纠错（FEC）能够较好地提高光网络性能，如增加光通信系统的传输距离，减少光端机发射功率，降低接收机灵敏度等。

Forward error correction ( FEC ) can improve the performance of optical communications systems , for example , increase link distances , reduce transmitter power requirements and improve the sensitivity of the receiver .

分析了脉冲频率调制（PFM）调制方式的频谱特点和PFM光纤传输系统的工作原理，给出硬件实现的关键参数，开发研制了发射光端机和接收光端机。

The spectrum of pulse frequency modulation ( PFM ) and the operating principles of PFM fibre optic transmission system were analyzed , the key parameters of hardware was provided , and the transmitter and receiver were developed .

介绍了多功能双向光纤传输平台（HFC）的系统方案、硬件实现和实验结果，整个系统包括上行光端机、下行光端机、频率变换器、频谱监测器、射频调制解调器以及网络管理软件。

This paper proposes the scheme , hardware implementation and experiment result of HFC . The system is composed of upward and downward channel optic transmission equipments , shifting frequency equipment , monitoring spectrum equipment , modulator / demodulator and network management software .

文章从OTDR的测试原理出发，对怎样更精确地测试光纤长度、接头损耗等问题进行了分析，指出要注意OTDR测试光纤链路时与光端机的相互影响。

The article analyses the problems of more accurate measurement of fiber length , splice loss and so on based on OTDR principle . It pays attention to mutual infection on optical transceiver in measuring fiber cable links by OTDR .

通过对传统的光纤以太网通信方式的分析，根据配电自动化系统的特点，设计出用以太网设备服务器或交换机EDS代替光纤收发器或光端机的新型通信方案。

On the basis of analysing traditional fibre optic Ethernet communication mode , according to the characters of automatic power distribution system , a new communication scheme which using Ethernet Device Server or exchanger in place of fibre optical transceiver or optical transmitter ( EDS ) and receiver was designed .

光端机采用砷化镓器件后质量指标提高量试算

Calculation of Quality Improvement after in Optical Terminal Using GaAs Modules

数字视频光端机在电视现场直播中的运用

Application of Digital Video Optical Transmitter and Receiver in Live Broadcast

光纤数据总线用插卡式小型化光端机的研制

Design of Plug-In Type Optical Terminal for Fiber-Optic Data Bus

远程监控系统中多业务数字光端机的设计与实现

Design and Realization of Multi-Service Digital Optical Terminal Used in Remote Supervisory

文中主要介绍FOX515型光端机的主要特点、原理与应用方式。

This paper introduces its main characteristics , principles and application modes .

光端机、中继器的时钟提取和识别判决电路

Clock Recovery and Decision Circuit of Optical Line Terminal Unit and Repeater

军用野战数字光端机抗振动冲击能力分析

Analysis of Anti-shock-Vibration of Military Field Digital Optical Terminal Equipment

34Mb/s光端机接口电路的研制

Development of 34mb / s optical terminal interface circuit

小型视频光端机的开发与应用

Design and Application of Small Video Fiber Transmission System

基于虚拟总线技术的数据光端机在配电自动化中的应用

Application of data optic terminal based on virtual bus technology in distribution automation