The principle and process of the split-step Fourier method(SSFM)is introduced.
介绍了分步傅里叶数值方法的原理和步骤。
Numerical calculation methods are usually more widely applied in NLSE because of its complexity. The most commonly used algorithm is the split-step Fourier method (SSFM).
由于NLSE的复杂性，通常情况下无法求出解析解，需要利用数值计算的方法对其进行研究，其中分步傅立叶算法是应用较为广泛的一种算法。
The fiber propagation model can be described by the nonlinear Schrodinger equation, and the split-step Fourier method is used extensively to solve the pulse-propagation problem.
光纤传输模型用非线性薛定谔方程描述，利用分步傅立叶方法可计算光脉冲在光纤中的传输。
The fiber propagation model can be described by the nonlinear Schrodinger equation, and the split-step Fourier method is used extensively to solve the pulse-propagation problem.
光纤传输模型用非线性薛定谔方程描述，利用分步傅立叶方法可计算光脉冲在光纤中的传输。
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