Because of the phenomenon that the negative self-scattering cross sections cause the negative probability sample, a nonnegative corrected method is put forward and validated by the benchmark problems.
针对输运修正引起的自散射截面导致的负概率抽样现象，提出了一种非负修正方法，并用基准计算验证了该方法的正确性。
The enhanced compression of fundamental femtosecond solitons can be obtained by combined effects of negative third order dispersion and Raman self scattering in the fibers.
研究表明，在色散缓变光纤中利用拉曼自散射效应与负三阶色散效应的相互作用，可以获得更高压缩比的超短光脉。
It is noted that although both the single scattering model and the multiple scattering model give quite close results, the results from the latter are more reasonable and self-consistent.
可以看到，尽管单次散射模型和多次散射模型两者给出了十分接近的结果，但后者显得更加合理并有其自相一致性。
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