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fiber
相关语句
  光纤
    Fabry-Perot Filters and Fiber Grating Filters
    法布里—珀罗滤波器和光纤光栅滤波器
短句来源
    Study on Optical Fiber Process Tomography Technology
    光纤过程层析成像技术研究
短句来源
    Study on High-Power Ytterbium (Yb~(3+))-Doped Double-Clad Fiber Laser
    高功率镱(Yb~(3+))离子掺杂双包层光纤激光器的研究
短句来源
    Experimental Studies, Analysis and Design for Erbium Doped Fiber Amplifiers with Low Noise Figure, High and Flat Gain
    低噪声、高增益、高平坦度掺铒光纤放大器的分析与实验研究
短句来源
    Study on the Applications and Fabrication of Chirped Fiber Gratings and Tilted Fiber Gratings
    Chirped光纤光栅和tilted光纤光栅的制作及应用研究
短句来源
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  “fiber”译为未确定词的双语例句
    Tunable Wavelength Conversion Based on FWM in Semiconductor Fiber Ring Laser
    基于SFRL的FWM型可调谐全光波长转换器的研究
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    Dual Loop Optical Buffer Based on Collinear 3x3 Fiber Coupler
    基于平行排列3x3耦合器的双环全光缓存器的研究
短句来源
    Theoretical Studies on the Microsphere Resonator Coupled by Biconical Tapered Fiber and the Fabrication System Heating by CO_2 Laser
    熔锥耦合型球微腔器件的理论分析及其CO_2激光加工制备
短句来源
    High speed non-contact measurement of optical fiber diameter by forward scattering laser light
    激光前向散射法高速测量光导纤维直径
短句来源
    A 140Mb/s LIGHTWAVE TRANSMITTER FOR DIGITAL COLOUR-TV OPTICAL FIBER TRANSMISSION SYSTEM
    140Mb/s数字光发射端机(短波长)
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  fiber
Consider the principal fiber bundleM=G/Ks→G/K, whereKs is the semisimple part ofK=Ks·ZK0 andZK0 is the connected center ofK.
      
An affine pseudo-plane X is a smooth affine surface defined over ${\Bbb C}$ which is endowed with an ${\Bbb A}^1$-fibration such that every fiber is irreducible and only one fiber is a multiple fiber.
      
By a case-free approach we give a precise description of the closure of a Steinberg fiber within a twisted wonderful compactification of a simple linear algebraic group.
      
The uniqueness of the geodesic by its initial values severely restricts the choice of the fiber path and is an obstacle to the production of optimized structures.
      
The composite film was prepared on glass fiber with the water glass as binders and dilute H2SO4 solution as solidifying reagent.
      
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The meaning of the title of this review is two-fold; on the one hand, it reflects the general trend towards higher and higher frequencies in the development of modern electronics, particularly the effort made in spanning the microwave infrared gap, and on the other hand, it implies the union of microwaves and optics, which yields Microwave Optics as an interdisciplinary field of study. The paper includes the following sub-titles:1.The early union of microwaves and optice, and its later development: (1) The initial...

The meaning of the title of this review is two-fold; on the one hand, it reflects the general trend towards higher and higher frequencies in the development of modern electronics, particularly the effort made in spanning the microwave infrared gap, and on the other hand, it implies the union of microwaves and optics, which yields Microwave Optics as an interdisciplinary field of study. The paper includes the following sub-titles:1.The early union of microwaves and optice, and its later development: (1) The initial thought of microwave optics; (2 ) The development of microwave optics.2.Spanning the spectrum from microwaves to optics:( 1 ) The microwaveinfrared gap; (2)The breakthrough of gyrotron and the outgrowth of high-energy or relativistic electronics.3.Microwave optics and the modern optical fiber theories:( 1 ) Modal theory vs ray theory! ( 2 ) Single-mode and multimode fibers; ( 3 ) Mode couplings; ( 4 ) Measurable quantities; ( 5 ) Quantum theory and formal quantum theory.The author endeavours to describe the evolution of the physical ideas relevant to the variety of problems discussed, and presents some points of view hitherto not explicitely expressed, or not sufficiently emphasized, in the literature.

本文包含有两重含义:一方面是指从微波到光这段广阔电磁频谱的开拓和占领,特别是在覆盖微波红外间隙上所付出的努力;另一方面则是意味着微波和光的相互结合,由于这种结合而发展了电子学的一门边缘学科,即“微波光学”。本文包含下述部分: 一、微波和光的早期结合及其发展: (1)微波光学的原始思想;(2)微波光学的发展。 二、微波和光的沟通: (1)微波——红外“间隙”;(2)回旋管的突破和高能电子学的发展。 三、微波光学和现代光纤理论: (1)模式与射线理论;(2)单模与多模;(3)模式耦合;(4)可观测量;(5)量子理论与形式量子理论。 在综述“从微波到光”这一广泛领域时,作者将着重从物理思想的发展来讨论有关问题;此外,作者也将提出一些文献中还没有明显提出或没有加以强调的观点。

A prototype was developed and put into operation in factory for the measurement of optical fiber diameter by forward scattering light with He-Ne laser as light source.

本文叙述以He-Ne激光器作为光源,应用光的前向散射法,测量光导纤维直径,并已研制成样机,在有关工厂得到了实际应用.

From the principle of threshold value regulation of the Smitt circuit in the operational amplifier, the theoretical basis of compensating method and clamping method, has been found out, with results from experimental verification being attached. By analysing the interrelation among some basic curves, the key to the further improvement of the performance has been brought into view, thus making it possible to vary only one trigger value with the other trigger value remaining constant when regulating the hysteresis...

From the principle of threshold value regulation of the Smitt circuit in the operational amplifier, the theoretical basis of compensating method and clamping method, has been found out, with results from experimental verification being attached. By analysing the interrelation among some basic curves, the key to the further improvement of the performance has been brought into view, thus making it possible to vary only one trigger value with the other trigger value remaining constant when regulating the hysteresis of the Smitt circuit. This novel type circuit is capable of directly transferring (shifting) photoelectric signals of a single fiber into counting pulses, sensibility being less than 5 mV and input impedance greater than 10~6Ω. When hysteresis range value increases by 390 times greater, the variation of one of the trigger values is only move 2.1 mV, being of high stability. These methods can also be used to identify and test other weak signals, which is helpful to flexibly and adaptably designing and applying operational amplifier Smitt circuit and to accurately setting up trigger values and hysteresis of Smitt circuit.

对于解决调节回差同时牵制两个触发阈的问题,本文从运算放大器施密特电路阈值调节的原理出发,提出了两种方法——补偿法和钳位法,并提供了实验验证的结果。又从几种基本曲线的相互关系的分析中阐明了进一步提高性能的关键,从而获得了调节回差时仅仅变动一个阈值,另一个阈值不变化的特有性能。这种改进的电路能将单纤维光电讯号直接转换成计数脉冲,灵敏度可达5毫伏以下。输入阻抗大于10~6欧姆。当回差值增加390倍时,其中一个阈仅变化2.1毫伏,可认为是相当稳定的。这种方法可以推广到其它微弱讯号的检测中,有助于灵活地设计和应用运算放大器施密特电路,精确地设置阈值和回差。

 
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