介绍了分步傅里叶数值方法的原理和步骤。
The principle and process of the split-step Fourier method(SSFM)is introduced.
本文简要介绍了傅里叶红外光谱仪的原理和构造，综述了傅里叶红外光谱分析在环境试验中的应用以及分析、研究方法和技术。
The principle and construct of FTIR and its application in environmental testing were introduced. The analysis and study methods and technology were also summarized.
我们提出基于傅里叶模式估计的二维波前重建算法，利用最小二乘拟合原理，可以计算出待测波前的傅里叶变换系数，从而恢复原始波前。
In this paper a new algorithm based onFourier modal estimate is proposed to reconstruct the original wavefront by use of least-square fitting.
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