用快速傅里叶转换（FFT）技术分析了图形视网膜电图（PERG）的空间和时间调谐特性。
Spatial and temporal frequency tuning characteristics of the pattern electroretinogram (PERG) were analysed by means of the fast Fourier transform (FFT)technique.
把傅里叶频谱分析方法引入棱镜-薄膜波导耦合系统的输入输出耦合问题，快速而完整地求解了系统输入输出耦合方程组。
The Fourier spectral analysis method is applied to the input-output coupling problem of a prism-thin film waveguide system. The input-output coupling equations are solved fast and exactly.
本文提出一种无需滤波处理的调频条纹分析算法，该算法与傅里叶技术相比具有省时、便于进行快速、实时位相测量等优点。
A new algorithm of analysing FM (frequency modulation) interferogram is described. Compared with the Fourier method, it is time saving and suitable for real-time calculation.
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