EDFA

Finally the article states that the combined application of DRA and EDFA can significantly increase the function of long distance transport system of fiber optical and hence enlarge the applicable area of EDFA.

最后指出，这两种技术的组合应用能明显提高长距离光纤通信系统性能，使掺铒光纤放大器具有更广阔的应用前景。

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Meanwhile, comparison tests with EDFA show that DFRA has better performances when it is used as in-line amplifiers in the remote FOH system.

同时将分布式光纤拉曼放大器和掺铒光纤放大器进行了实验对比，结果表明前者可以作为远程光纤水听器系统的在线放大器，并且具有比后者更好的噪声性能。

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The relationships among the threshold power, channel numbers, channel spacing and the cascaded EDFA numbers under the influence of fiber nonlinear-effects are obtained in condition with the equal spacing channel.

在信道间隔相等的条件下，得出了光纤非线性响应影响下的阈值功率、信道数、信道间隔和EDFA级联数等之间的关系。

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A system on the chip AT 89 C 52 intelligent control of EDFA is demonstrated and experimented.

研制基于单片机AT89C52的智能控制掺铒光纤放大器.

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In this paper the nonlinear distortion AM-VSB CATV system with erbium-doped fiber amplifier ( EDFA ) was studied theoretically.

本文从理论上研究了有 掺铒光纤放大器 的光纤调幅有线电视系统的非线性失真问题.

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Specialty Optical Fiber , Doped Fiber , Erbium Doped Attenuating, Edfa, Fbg, Optical.

采购产品特种光纤, 掺铒光纤, 掺铒光纤放大器,光纤光栅, 光学产品.

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The thesis studies and designs the automatic gain control circuit of EDFAs.

本文旨在研究和设计EDFA的自动增益控制电路.

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The gain variation of ± 3 dB in an EDFA is reduced to ± 0.3 dB over a bandwidth of 30 nm and the total extra insertion loss of the device is less then 0.3 dB.

该器件使掺铒光纤放大器在30nm带宽上的增益谱波动从±3dB减小为±0.3dB，器件的附加损耗小于0.3dB。

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This article summarizes the development of the fiber optical Raman amplifiers and theory and features of distributed fiber Raman amplifier, mainly describes the combined application of EDFA and DRA.

概述了光纤喇曼放大器的发展情况、分布式喇曼放大器的原理和特性，重点阐述了掺铒光纤放大器与喇曼放大技术的组合应用；

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Erbium-doped fiber ( EDF ) as the plus medium is the key component of EDFA.

掺铒光纤 ( EDF ) 作为增益介质,是EDFA的关键组成部分,其结构设计和制造工艺也受到了广泛的研究.

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And then , some principles of L-Band EDFA design are presented.

介绍了L-BandEDFA的 基本设计原则.

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A single channel EDFA is designed for WDM Metropolitan networks applications, not only lowering the cost but also sustaining the flexibility of the system.

设计了应用于WDM城域网中的单信道EDFA，降低了系统成本并保证了系统灵活性。

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C band EDFA only uses 2.5 m of this EDF, and which realize high gain.

利用2.5m的高浓度掺铒光纤制作的C波段EDFA就实现了高增益.

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Spectral hole-burning ( SHB) can distort the gain spectrum of an erbium-doped fiber amplifier ( EDFA), thus leads to reduced system performance in long-haul WDM optical fiber system.

掺铒光纤放大器（EDFA）的烧孔效应（SHB）是导致放大器增益不平坦主要因素，进而影响长距离波分复用（WDM）光纤传输系统的性能。

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L band EDFA uses 10 m of this EDF , and which achieves effective amplification of L band.

利用10m这种掺铒光纤制作的L波段放大器实现了有效的L波段放大.

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EDFA is a key enabling technology in the continual evolution to the all-optical network.

在继续向全光纤网络发展过程中,EDFA是一项关键的基础技术.

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At the last of this section, the error tolerances of multi-peaks filter and EDFA gain flatting filter are also analyzed.

最后还分析了多峰滤光片和增益平滑滤光片的容差特性。

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Black box model of edfa ′ s and its verification in virtual experiment environment

EDFA黑盒模型及其虚拟实验验证

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Specialty Optical Fiber, Doped Fiber, Erbium Doped Attenuating, Edfa, Fbg, Optical.

采购产品特种光纤，掺铒光纤，掺铒光纤放大器，光纤光栅，光学产品

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This article puts forward a method to test the margin of the fiber optics transmission system with EDFA.

提出了一种用于带有光放大器的光传输系统裕量的测试方法。

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An optical communication system with both EDFA and B DFRA is introduced.

考察了后向抽运分布光纤拉曼放大器(BDFRA)对光通信系统传输性能的改善.

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EDFA BDE simulation block for optical WDM transmission system studies

波分复用传输系统中EDFA-BDE模块的仿真研究

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To prove the universality of the scheme, take another gain spectrum as an example. And the same scheme is used. Finally, the gain of EDFA is flatted too.

为了证明方案的普适性，在选取另外一条EDFA增益谱的前提下，运用相同方法同样达到了EDFA增益的平坦化。

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