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。
With the success in linear dispersion compensation technique in optical fiber communication, a new limitation with nonlinearity will be accumulated when the length of fiber link increases.
随着线性色散补偿技术的成熟，光纤通信的另一个限制因素——非线性，将随着光纤链路的加长而积累起来。
Error of laser beam pointing has severe influences on the received power and bit error rate in the link of inter-satellite optical communication.
卫星间光通信链路中对准误差对接收功率和误码率都有严重的影响。
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