中文说明：
对图像进行傅立叶变换和反变换，计算频谱幅值
(The image Fourier transform and inverse transform, the amplitude spectrum is calculated)
English Description：
The image Fourier transform and inverse transform, the amplitude spectrum is calculated
Fourier transform and inverse transform are used to calculate the spectrum amplitude (FFT)
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文件大小： 12KB
中文说明：
对图像进行傅立叶变换和反变换，计算频谱幅值
(The image Fourier transform and inverse transform, the amplitude spectrum is calculated)
English Description：
The image Fourier transform and inverse transform, the amplitude spectrum is calculated
fft
...\fft1.m