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本文提出一种串扰模型，通过理论分析和数值计算，定量地描述了密集型波分复用（ＤＷＤＭ）通信系统中串扰与光源有效信号带宽、接受滤波器带宽及波长漂移的关系。所得结论对有效地控制信道串扰及在保证系统性能可靠的前提下降低通信成本方面具有指导性意义
In this paper, a crosstalk model is proposed to describe quantitatively the relationship between the crosstalk and the effective signal bandwidth of the light source, the filter bandwidth and the wavelength shift of the receiver in DWDM communication system through theoretical analysis and numerical calculation. The conclusion is of guiding significance in effectively controlling the crosstalk of the channel and reducing the communication cost under the premise of ensuring the reliable performance of the system