一种新的精确测试光纤衰减方法的探讨。
A new method of precise measurement of optical fiber attenuation.
在光纤衰减的测量中，背向散射法显示出很大的优越性。
In the measurement of optical fiber attenuation, the backscattering method has been shown to have great advantages.
该光纤衰减器性能稳定，精度高，适于光纤传输系统使用。
This fibre attenuator is useful to optical fibre transmission system, because of performance stability and high precision.
本文从工作原理分析研究着手，设计制造了一种连续可变的光纤衰减器。
Analysed and investigated on its operation principle, a continually variable optical fibre attenuator is designed and fabricated.
如光纤衰减、强度以及老化等问题都与光缆生产工艺以及光缆材料有关。
Such as optical fiber attenuation, intensity and aging concerns with the cable technique of production as well as the cable material.
通过测试研究了单模光纤衰减的纵向均匀性，并对目前单模光纤衰减的纵向均匀性作出了评价。
It studies the vertical uniformity of single mode fiber attenuation through measurement and gives its evaluation on the uniformity of present single mode fibers.
光纤产品主要有光纤跳线、光纤适配器、光纤衰减器、光分路器和光纤信息面板等光纤通信产品。
The main products for the fiber optics include optic fiber patch cords, adapters, attenuators, optical splitters, fiber optic panel etc.
文章对线路维护工程中的光缆线路障碍查找、光纤衰减均匀性、光纤接续和偏振模色散（PMD）等问题进行了分析。
This paper discussed the trouble shooting, attenuation uniformity of optical fiber, optical fiber splicing and PMD problem in the maintenance of optical fiber line.
通过对不同应用的光纤波导结构的制造、性能测试和分析，指出了波导结构设计与光纤衰减、模场直径、弯曲损耗和波导色散等的关系。
Based on manufacture, performance test and analysis of different optical fiber waveguides, the relationships between waveguide and loss, MFD, bend loss, waveguide dispersion are deduced respectively.
仿真研究了传输信道和光功率对光码分多址系统性能的影响，分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.
测量中使用了光纤位移传感器，对衰减与位移的关系进行了动态测量。
A displacement optical fiber sensor was used for dynamic measuring the relationship between attenuation and displacement.
经过恶劣的环境试验证明，低水峰光纤具有稳定的抗氢气引起的衰减性能，可确保现场安装的低水峰光纤光缆长期可靠地工作。
The fiber undergone robust environmental testing that enables its stability against hydrogen-induced attenuation, to ensure long-term reliability of field installed optical fiber cables.
主要用于传感的耐高温光纤的衰减太大，也不能用于通信。
On the other hand, the attenuation of high temperature fiber used for temperature sensor is still too high for communication purpose.
实验结果表明，该方法对特定的光纤传导系统的光谱非线性衰减有较好的校正效果。
It is proved that the method is fit for adjusting some optical fiber spectrum attenuation.
报道了一种分析长周期光纤光栅(LPFG)透射谱谐振波长和衰减率随弯曲曲率变化的方法。
A method to analyze the resonant wavelength and damping decrement of the transmission spectrum of long period fiber grating (LPFG) with bending curvature was reported.
这种光衰减器是由电磁驱动插在两对准单模光纤间隙中的挡光片来实现光功率的衰减。
The device consists of an electromagnet moving ferronickel optical shutter interposed in a fiber gap, and it's actuation causes optical attenuation.
光纤接口非常卓越，全面革新的信号，防止信号衰减。
Fiber port is unsurpassed, fully regenerates signal, preventing signal attenuation.
叙述光纤折射率与组成、温度、波长、模场直径和拉丝张力 （拉丝温度 ）以及衰减等因素的相互依赖关系。
The dependence of the refractive index of optical fiberes on composition, temperature, warelength, M F D and drawing tension (or drawing temperature) as well as attenuation is described.
在线型固定衰减器采用全光纤结构，性能稳定可靠。
Line - type fixed attenuator using all fiber structure, stable and reliable performance.
考察了紫外光固化光纤油墨及其组分对着色光纤光衰减的影响。
The influence of UV-curable ink on attenuation of colored optical fiber has been examined.
因而在实际传输的条件下，光纤振动引起的附加衰减完全可以忽略。
Through numerical calculation and experiments, conelution is made that these additional attenuations are quite small, which can therefore be neglected, in the first approximation.
该发明涉及的一件外衣管改善便宜的可生产性和适用性方面作为半成品光纤具有低衰减光纤产品。
The invention relates to an improvement of a jacket tube in terms of inexpensive producibility and of suitability as a semi-finished product for optical fibers having a low optical attenuation.
介绍了光纤接续中由横向偏移带来的、轴向偏移造成的、纵向偏移产生的以及被接光纤具有不同的参数时所造成的附加衰减产生的机理及其测试方法。
The paper introduces excess loss based on lateral offset, axial offset, longitudinal offset, and different parameter value within a fiber splice, then, discusses the measurement method of excess loss.
可调光衰减器(VOA)是广泛应用于光通信网络及光纤实验系统中的光无源器件。
The Variable optical Attenuator (VOA) is a kind of passive device that find wide application in optical communication network and optical fiber test system.
下面的光谱说明了我们的光纤附件中使用的各种光纤类型的衰减情况。
The spectra below indicate the attenuation of each optical fiber type used in our optical fiber assemblies.
光纤法珀传感器具有质轻径细、无源、电绝缘、抗电磁干扰、信号衰减小的优点。
Fiber Fabry-Perot sensor has the advantage of light mass, thin diameter, passive, electric insulating, anti electromagnetic interference and low attenuation.
针对双总线形、星形、环形和双环形四种光纤网络拓扑，比较它们的光纤需求长度、平均传播延迟、传输衰减、最大比特率及容错。
The comparison is in term of fiber required, average propagation delay, transmission loss, max bit rate, fault tolerance among four type topologies included bus, star, ring and dual ring.
该光纤耦合模块连续工作500小时没有发现明显的功率衰减，并且输出功率经温度循环和振动冲击后具有较好的稳定性。
The output power is very stable after the temperature cycling and vibration test. No apparent power decrease has been observed as the device working continuously for 500 h.
该光纤耦合模块连续工作500小时没有发现明显的功率衰减，并且输出功率经温度循环和振动冲击后具有较好的稳定性。
The output power is very stable after the temperature cycling and vibration test. No apparent power decrease has been observed as the device working continuously for 500 h.
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