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在总结目前存在的分布光纤拉曼放大器瑞利散射噪声性能分析方法的基础上 ,提出了两种新分析方法。第一种方法给出一个简单的解析表达式。第二种分析方法是在解析式的基础上进行迭代 ,计算精度得到较大提高 ,而计算时间大大减少
Based on the analysis of Rayleigh scattering noise performance of distributed fiber Raman amplifiers, two new analytical methods are proposed. The first method gives a simple parse expression. The second method of analysis is iterative on the basis of the analytic formula, the calculation accuracy is greatly improved, and the calculation time is greatly reduced