| 摘要 |
A receiving device for an optical signal that is impaired by disturbances, wherein the receiving device has an adaptive filter device that serves to compensate at least partly for disturbances in the optical signal and that is controlled by a feedback signal is characterized in that the feedback signal is generated by correlating the optical signal with a further signal that is formed with respect to the optical signal in such a way that, in the absence of disturbances in the optical signal, at most a slight correlation is present.
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