离散傅氏变换 DFT ; Discrete Fourier Transform
快速傅氏变换 FFT
傅氏变换算法 Algorithm of Fourier Transform ; Fourier transform algorithm
泛函傅氏变换 functional Fourier transform
组合实离散傅氏变换 SRDFT
傅氏变换矩阵 fourier transform matrix
直接傅氏变换 direct Fourier Transformation
傅氏变换和抑制 fourier transform suppression
改进的加窗傅氏变换 modified short-time fourier transform
In the selection of protection algorithm All kinds of specific algorithm of sinusoidal function model algorithm and Fourier transformation algorithm are analysed and studied detailedly.
在保护算法的选择上,详细分析、研究了正弦函数模型算法和傅氏变换算法中的各种具体算法。
参考来源 - 电力变压器微机保护系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
最小相位信号可由其傅氏变换的幅度或相位来恢复。
A minimum phase signal can be recovered from the magnitude or phase of its Fourier transform.
利用傅氏变换频谱的自配准性质，实现线条型花纹的精确识别。
The line texture is identified precisely be making use of the auto-registration of the magnitude spectra.
这种方法是通过对光学傅氏变换所获得的一系列初始图像进行卷积。
A series of primary pictures are made by optical Fourier transformation and convolution operation.
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