| 光纤色散对光纤传输性能的影响:综述 |
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| 引用本文： | 林鹏,刘宴兵. 光纤色散对光纤传输性能的影响:综述[J]. 重庆邮电学院学报(自然科学版), 2006, 0(Z1) |
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| 作者姓名： | 林鹏 刘宴兵 |
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| 作者单位： | 重庆邮电大学软件学院 400065 |
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| 基金项目： | This work is supported by the Natural Science Foundation of CQUPT,CSTC(No．2005BB2060)the Natural Science Foundation of CQMEC(No．KJ050507) |
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| 摘 要： | 光纤色散所带来的负面影响包括脉冲干扰、时间延迟,能量衰减等。这些因素会增加传输过程中的比特差错率。基于在不同环境中对比特差错率的研究,色散对单模光纤的影响要强于对位移光纤的影响。光纤传输长度的不同导致影响衰减的因素也不同。对于短距离传输,色散对衰减的影响占主导地位,而对于长距离传输,热噪声对衰减的影响占主导地位。仿真展示了单模光纤和位移光纤在不同色散环境中的特性。
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| 关 键 词： | 光纤色散 单模光纤 色散位移光纤 |
Influence of fiber dispersion effects on transmission performance of fibers; survey |
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| LIN Peng,LIU Yan-bing. Influence of fiber dispersion effects on transmission performance of fibers; survey[J]. Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition), 2006, 0(Z1) |
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| Authors: | LIN Peng LIU Yan-bing |
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| Abstract: | The influence of dispersion could be pulse overlap, time delay and power attenuations, which increase the BER in propagations. Dispersion influence on SMF is more severely than DSF based on the observation of BER under different environment. The length of transmission also contributes the attenuation where thermal noise dominates when the length is longer and dispersion dominates when the length is small. The results of simulation are accurate to show the characters of SMF and DSF. |
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| Keywords: | fiber dispersion single-mode fiber dispersion-shifted fiber |
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