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.
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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