推导了任意波形和任意高斯脉冲序列的偏振度(DOP)与差分群延迟(DGD)的关系。研究了伪随机m序列码输入下的DOP-DGD曲线，理论分析并实验验证了不同脉冲宽度及分光比对DOP-DGD曲线的影响。
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...ntrol; Differential group delay; Electrical feedback signals [gap=260]关键词： 光纤 通信;偏振模色散;偏振控制;差分群延迟;反馈控制信号 ...
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光纤通信线路检测到的电功率随差分群延迟变化，可以作为PMD补偿的反馈控制信号。
Electrical power, changing with differential group delay (DGD) and detected from an optical communication link, can be used as feedback signals of compensating for PMD.
PMD问题的最大困难在于差分群延迟(DGD)和偏振主态(PSP)变化的随机性。
The difficulty of solving PMD lies in its randomness of differential group delay (DGD) between the principal states of polarization (PSP) and the change.
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