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METHOD amp; APPARATUS FOR DEMODULATING AN OPTICAL DIFFERENTIAL PHASE-SHIFT KEYING SIGNAL
METHOD amp; APPARATUS FOR DEMODULATING AN OPTICAL DIFFERENTIAL PHASE-SHIFT KEYING SIGNAL
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机译:用于对光学差分相移键控信号进行解调的方法和装置
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摘要
Demodulating an optical Differential Phase-Shift Keying (DPSK) signal is accomplished using a self-homodyne receiver (402) for receiving the optical signal. A converter (404) converts the optical signal received by the self-homodyne receiver into a representative electrical signal. A processor (410) that processes the representative electrical signal using decision feedback multi-symbol detection in order to obtain a decision variable that indicates a differential phase-shift in the optical signal.
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