本文提出了一种新的差分调制方式，我们称之为相干幅度差分相移键控(CADPSK)。

The thesis presents a new differential modulation, Coherent Amplitude and differential Phase Shift Key (CADPSK).

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本文讨论了弱光反馈对相干光差分相移键控系统误码率的影响。

The effects of weak optical feedback (WOF) on the bit error rate (BER) of coherent optical differential phase shift key-controll (DPSK) systems are presented.

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