光纤信道

非线性光纤信道的系统传输特性分析与数值处理

Analysis of System Transmission Characteristics of Nonlinear Optical Fibre Channel and Numerical Processing

本文研究了高斯型脉冲光束在界面上发生全反射时与几何光学不相一致的一些现象。本文主要研究了存在非线性效应光纤信道中高斯型光脉冲入射下的系统传输特性。

The deformation from geometrical reflection for Gaussian light pulse under total internal reflection at a planar interface are discussed . The system transmission characteristics of the nonlinear optical fibre channel with the incidence of the Gaussian light pulse is studied in this paper .

对于相干检测后的信号，DSP算法可以对光纤信道的线性效应做到无损补偿，例如色散效应和偏振模色散效应。

After coherent detection , DSP algorithm can compensate linear effects of fiber lossless , such as chromatic dispersion and polarization mode dispersion .

基于高速率、高可靠性的光纤信道的ATM网络扩展到无线环境面临着许多问题。

Extension of ATM network services which is originally based on high-speed and reliable fiber channel to the wireless environment faces many problems .

在远程光纤信道中，放大器自发辐射（ASE）噪声是主要噪声源。

In the optical-fiber channel , amplified spontaneous emission ( ASE ) noise in the optical amplifier is the major source of noise .

光纤信道切换光纤信道切换是又一个例子。设计人员选择FPGA来实现某个光纤信道切换的工程项目，这是因为其ASIC计划无法在一个合理的时间内实现。

Fiber Channel switch In another example , a designer chose an FPGA for a Fiber Channel switching project , because his ASIC plans couldn 't be realized in a reasonable time frame .

实验分别对单路光纤信道，以及混沌激光通信与常规光通信的波分复用信道，进行了实验研究，采用Q因子作为性能好坏的评价指标。

Single channel and WDM channels between the chaotic optical communication and the conventional optical communication are separately investigated . The Q factor is employed for the system performance evaluation . The factors considered in the experiments are the optical fiber transmission distance and the incident optical power .

通过分析可得，光纤信道中的信息量远远超过了仙农定理的极限。

Through analysing , the result capacity in fiber channel far more exceeds by far the limit of Shannon Theorem .

通过建立相应的理论模型，研究了系统的双向传输性能、以及系统性能随光纤信道长度的变化。

A corresponding theoretical model is established to study the bidirectional transmission performance and the system performance under different transmission distance .

8B/10B编码很好的适应了光纤信道的传输特性，广泛的应用在高速光纤传输系统中。

8B / 10B encoding adapt the characteristic of fiber channel very well , it has been used in high-speed fiber transmission broadly .

通过建立相应的理论模型，重点对系统的混沌同步性能、双向双信道通信性能、光纤信道对信息传输的影响等进行了理论仿真研究。

Furthermore , the chaotic synchronization characteristics , bidirectional dual-channel communication performance and the influences of the fiber channel on the message transmission are numerically investigated .

在我们的设计中，实现了对8路并行差分信号的时分复用/解复用，8B/10B光纤信道的编码/解码等相关处理，实现了多路信号在单一光纤信道的高速传输。

In our design , we have implemented TDM to eight parallel difference input signals , 8B / 10B encoding / decoding , high-speed transmission through a single fiber .

介绍了大容量光纤信道系统技术的发展，如有些公司已经开发出信道容量超过10Tb/s的光通信系统；

The paper introduces the development of large capacity optical fiber communication channel technology , such as that the communication system developed by some companies whose channel capacity has exceeded 10 Tb / s.

光纤信道具有比传统电缆信道更高的信号传输速率和更大的带宽，当采用光纤调制解调器进行电光信号转换时，可以使用具有较多冗余位的编码方式来保证信号传输的准确性和可靠性。

Fiber channel possesses wider bandwidth and higher signal transmission speed than traditional cable channel , which permits the encoder adding more redundant bits in encoding process when the electric signals convert into optical signals by an optic modem to guarantee the reliability and veracity of the communication system .

调度系统的发展经历了从模拟到数字，从电缆、载波传输到数字光纤信道传输，从人工交换到电路交换的重大变革，其规模和质量大大提高。

The development of communication system goes though a long process that is from simulation to digital , from carrier wave transmission to digital optical fibres transmission and from manpower exchange to circuit exchange . Though the huge change , the communication system was greatly improved in scale and quality .

描述了一种利用光纤TV信道传递时间、频率的初步方案和光纤闭环TV信道时延的测定及用扩频副载波复用系统进行双向时间传递方法。

A design for time - frequency transmission via Optical Fiber TV channel , a delay determination on closed - loop Optical Fiber TV channel and a new method of Two - way time Transmission using Expand - frequency Subcarrier Multiples System are described in this paper .

一种便于时钟提取的光纤通信信道编码方法

An Optic-fiber Communication Channel Encoder With Easy Extraction of Clock

分析了N信道密集波分复用系统采用拉曼光纤放大器时信道的噪声特性。

The noise figure of Raman Fiber Amplifier in N channels of Dense Wavelength Division Multiplexing ( DWDM ) system is analyzed .

腔内的色散位移光纤强化了信道间的FWM作用，能自动对各信道输出功率起均衡化作用。

The dispersion shifted fiber used in the cavity strengthens the FWM between / among the lasing channels which balance the channel output power automatically .

QKD系统中量子（光子）传输的通道称为量子信道，它的物理实现包括：大气湍流信道（即所谓的自由空间）、光纤以及真空信道。

The channels that quanta ( eg. photons ) passing through are called quantum channels in QKD systems . Turbulent atmosphere ( so called free space ), fiber , and vacuum are the physical realizations of quantum channels .

掺铒光纤放大器多信道增益谱迭代测试法

The Iterative Method of Measurement on Multichannel Gain Spectrum of EDFAs

宽带碲基掺铒光纤放大器多信道增益竞争的仿真分析

Simulation analysis on gain competition among multi-channels of broad-band tellurite-based erbium-doped fiber amplifier

光纤作为量子信道的性能

Performance of optical fiber as a quantum channel

重点研究分析了泵浦方式、增益水平、光纤长度、信道功率水平等参数对放大器增益和噪声特性的影响。

The influence of the design parameters , such as pumping geometry , gain level , fiber length , and input signal power level , on the performance of FRAs have been analyzed . 2 .

提出了一种基于光纤光栅大信道间隔的多信道滤波器实现方法，采用了振幅采样结合相位采样的线性啁啾光纤光栅，基于矩形函数的采样形式，不需要作单个采样的切趾。

A realization method of a multi-channel filter based on large channel spacing linear chirped fiber grating has been presented , which applies amplitude and phase samplings and is based on rectangle function sampling form without apodization .

本文研究光纤作为量子信道在密波分复用时模式间非线性干扰造成的信道噪声的性质，和光纤量子信道在该噪声下的经典容量。

In this paper we investigate the noise properties and classical capacity of an optical fiber which is considered as a quantum channel . The noise is due to nonlinear crosstalk between the modes of dense wavelength division multiplexing system .

SDH光纤传输系统的信道处理及接收定时特性

The Channel Processing and the Characteristic of Receiving Timing for SDH Fiber Optic Transmission Systems

用复杂可编程芯片（CPLD）实现，并用于雷达数字光纤通信系统的信道编码，提高了时钟提取的性能。

The scheme can be implemented by using the CPLD chip , and used for the channel coder in a radar digital optic-fiber communication system and improving the features of clock extraction .

特别是当光纤通信系统单信道传输速率达到40Gbit/s或以上时，二阶PMD效应已不可忽略，它严重影响了信号传输质量，造成数字通信的码间干扰。

Further more , as the bit-rate of a single channel in optical fiber transmission approaches 40Gbit / s or beyond , the effect of the second order PMD can 't be neglected .

当光纤通信系统单信道速率升级到40Gbit/s及以上时，色度色散（CD）和偏振模色散（PMD）已经成为严重影响系统性能的主要因素。

When bit-rate of optical fiber communication system comes to 40Gbit / s or beyond , dispersion which represents chromatic dispersion ( CD ) and polarization mode dispersion ( PMD ), will become a big problem and be dominating factor of impairing system performance .