Automatic measuring system for polarization mode dispersion ( PMD ) was introduced based on improved Poincar é sphere method.

阐述了邦加球法测量偏振模色散 ( PMD ) 的原理,介绍了基于改进的邦加球法开发的PMD测量系统 和测量实验.

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Polarization mode dispersion ( PMD ) has a serious obstacle in the development of high - speed optical fiber communication .

偏振模色散 ( PMD ) 已成为 高速光纤通信 系统发展的严重障碍.

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The polarization characteristics of fiber are mainly polarization mode dispersion ( PMD ) and polarization dependent loss ( PDL ) .

光纤的偏振效应主要包括偏振 模色散 和偏振依赖损耗.

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Results V _ ~ WMA during coronary occlusion ( 15.31±3.06 ml ) was larger than V _ ~ PMD ( 10.31±2.01 ml, P < 0.001 ).

结果冠脉结扎180min时 VWMA[(15.31±3.06 ) ml]明显大于VPMD[ ( 10.31±2.01)ml](P<0.001 ).

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Method The recombinant plasmid pMD 18 - T - gG was constructed as HSV - 2 DNA standard for quantitative analysis.

方法构建重组质粒pMD18-T-gG作为标准品.

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Finally the effect of XPM on order PMD compensation in WDM systems is analyzed.

最后分析了交叉相位调制效应对波分复用系统中一阶偏振模色散补偿的影响.

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Polarization mode dispersion ( PMD ) has a major limiting factor long haul high bitrate fiber transmission system.

偏振 模色散 已成为当前发展下一代高速长距离光纤传输系统的主要限制因素.

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The concept and description method on PMD and techniques for PMD measurement and compensation are introduced.

介绍了偏振模色散的概念、述方法以及测试和补偿技术.

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To date , there has been little reported on PMD monitoring in mixed system.

至今, 只有少数的研究报告关于监测偏振合并调制系统中的偏振色散.

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