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本文详细研究了DPSK相位分集零差光接收机的性能,分析了相位噪声和散弹噪声对接收机性能的影响,计算了信噪比、并提出了对光源线宽的要求。
In this paper, the performance of DPSK phase diversity homodyne receiver is studied in detail. The influence of phase noise and shot noise on receiver performance is analyzed. The signal to noise ratio is calculated and the requirement of linewidth is proposed.