海底光缆工程设计规范 [附条文说明] GB/T51... ... DCN Data Communication Network 数据通信网 DGD Differential Group Delay 差分群时延 DPSK Differential Phase Shift Keying 差分相移键控 ...
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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.
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。
It is important to know how does the degree of polarization (DOP) change with differential group delay (DGD) when DOP is feedback information for adaptive PMD compensation.
在用偏振度作为反馈信号的动态偏振模色散补偿系统中，偏振度与差分群延时的关系对于准确快速的动态偏振模色散补偿很重要。
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。
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