A new optical attenuation standard device developing based on coherent detection principle is presented.
介绍了一种新的建立在相干检测原理上的光衰减标准。
The optical attenuation is used as optical modulator of demodulation system, which solves the problem of optical modulation.
将光衰减器用作解调系统的光调制器，解决了解调系统光信号的调制问题。
A model for the number of QW SOAs in series with variable optical attenuation is developed and matched to the experimental data.
提出了具有可变光衰减的串联量子阱半导体光放大器的数字模型并与实验数据相匹配。
The optical attenuation of complementary electrochromic devices (ECDs) with two reversible electrodes operating in tandem is presented.
本研究探讨两个可逆电极同步工作之互补式电致色变元件的光学调幅。
The device consists of an electromagnet moving ferronickel optical shutter interposed in a fiber gap, and it's actuation causes optical attenuation.
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 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.
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。
Optical fiber has several advantages over copper wiring, including less susceptibility to interference, less attenuation, and greater bandwidth.
与铜缆相比，光缆具有多种优势，包括抗干扰性、低衰减和更高的带宽。
A new method of precise measurement of optical fiber attenuation.
一种新的精确测试光纤衰减方法的探讨。
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.
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。
A displacement optical fiber sensor was used for dynamic measuring the relationship between attenuation and displacement.
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。
Using this device, we can measure many oceanic optical parameters such as diffuse attenuation coefficient, remote-sensing reflectance, water-leaving radiance and so on.
根据该仪器测量获得的下行辐照度和上行辐亮度，我们可以计算海水的漫衰减系数、遥感反射率、离水辐亮度等多种海洋光学参数。
The light path in the conduction process loss, avoid the traditional cutting bed due to optical transmission problems caused by large attenuation of laser cutting power.
使光路在传导的过程 中损失最小，避免传统裁床由于光路传输问题而造成激光切割功率的大量衰减。
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.
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 influence of UV-curable ink on attenuation of colored optical fiber has been examined.
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。
This paper discussed the trouble shooting, attenuation uniformity of optical fiber, optical fiber splicing and PMD problem in the maintenance of optical fiber line.
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。
The general consideration, design of optical and mechanical structure for an inner attenuation total reflection (ATR) instrument used in infrared Fourier transform spectroscopy were introduced.
介绍了傅里叶变换光谱仪的衰减内全反射装置(atr)的基本原理、光学和机械结构设计。
The most typical weather restriction of Free-space Optical Communications System is the fog; the fog attenuation of laser is a main factor that affects the performance of the lasers communication.
雾是制约无线光通信系统的最典型气象条件，它对激光的衰减效应是影响光通信性能的主要因素。
The optical fiber communication technique is well suited to a large delay time, due to the low attenuation and chromatic dispersion of the fiber, and to its high bandwidth.
通信技术中使用的光纤，由于其低耗与宽带特性，能较好地满足这种要求。
In the measurement of optical fiber attenuation, the backscattering method has been shown to have great advantages.
在光纤衰减的测量中，背向散射法显示出很大的优越性。
It is proved that the method is fit for adjusting some optical fiber spectrum attenuation.
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。
The hydrogen absorbing filling compound can be used to reduce the fiber attenuation caused by hydrogen and protect the optical fiber cable.
使用吸氢填充膏可以防止氢气导致光纤传输损耗增加，对光缆起到长期保护作用。
The spectra below indicate the attenuation of each optical fiber type used in our optical fiber assemblies.
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。
Such as optical fiber attenuation, intensity and aging concerns with the cable technique of production as well as the cable material.
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。
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.
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。
Attention is focused on the implications of semiconductor physical effects, and some important physical aspects in optical fiber communication, such as attenuation, dispersion and nonlinear effects.
重点分析了半导体物理效应等在光通信中的应用，同时探讨了光纤传输中的损耗、色散和非线性光学效应等重要物理问题。
Attention is focused on the implications of semiconductor physical effects, and some important physical aspects in optical fiber communication, such as attenuation, dispersion and nonlinear effects.
重点分析了半导体物理效应等在光通信中的应用，同时探讨了光纤传输中的损耗、色散和非线性光学效应等重要物理问题。
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