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二维傅里叶变换,对图像进行二维傅里叶变换处理-Two-Dimensional Fast Fourier Transform
The purpose of this project is to develop a 2-D FFT program "package" that will be used
in several other projects that follow. Your implementation must have the capabilitie
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Using the function to sample the voice signal and achieve fast Fourier transform in MATLAB, and then get the signal characteristics of the spectrum.Filtering the signal from the filter,and then playback the signal of voice
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关于含噪信号的快速傅里叶变换和希尔伯特变换-On the noisy signal Fast Fourier Transform and Hilbert Transform
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快速傅立叶变换（FFT）算法实现
将DFT算法与FFT算法计算时间进行比较，分析二者的效率和精确差异。-Fast Fourier Transform (FFT) algorithm to DFT algorithm and FFT algorithm for computing time to carry out comparative analysis between the two differences in the efficiency and precision.
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Fast Fourier Transform
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The frequency domain plays an important role in image
processing to smooth, enhance, and detect edges of images. Although
image data typically does not include imaginary values, the fast Fourier
transform (FFT) has been used for obtaining spect
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快速傅里叶变换， 频谱的泄露，混叠误差实例的matla程序。-Fast Fourier Transform: In order to reduce the number of DFT calculations of a fast algorithm.
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sample code to show how to perform digital filtering using fast fourier transform
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本实验要求开发一个2-D FFT程序包，使其可以应用于后续的几个实验。这个程序需要完成的功能是用因子（-1）^(x+y)乘以输入图像以实现滤波的中心变换，并还要求用一个实矩阵乘以一个复数矩阵通过调用两个图像的乘法程序来实现对应元素的相乘，同时计算反傅立叶变换，得到的结果乘以（-1）^(x+y)并取其实部最后计算频谱。实验中用到傅立叶变换的基本公式，通过实验我们可以更加深刻的理解频域滤波的基础。-The experiment calls for the development of a 2-D F
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This program is open source code of fast Fourier transform in matlab.
Where y is the input argument and p is the normalized size of the input. Let
y = [1 2 3 4 ]
x= length(y)
m= log2(x)
p= ceil(m)
To call the function use
ft2(y,p
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在matlab环境下编写的快速傅里叶变换程序，改变换程序简单有效-Matlab environment in the preparation of the fast Fourier transform procedure to change the procedure for simple and effective
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Matlab Fast Fourier Transform FFT
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Matlab Fast Fourier transform
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fast fourier transform (FFT) code in MatLab
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一个小波+快速傅立叶变换的人脸识别程序，程序简单，效果好-A wavelet+ Fast Fourier Transform for Face Recognition Procedure
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图像处理matlab源代码，主要使用快速傅里叶变换。-Image processing matlab source code, primarily using the fast Fourier transform.
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Fast Fourier transform matlab code foile
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小波包变换的MATLAB程序,快速傅立叶变换频谱分析-Wavelet packet transform MATLAB program, fast Fourier transform spectrum analysis
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通过对基4快速傅里叶的介绍，使用matlab实现了基4快速傅里叶变化-Through the radix-4 Fast Fourier presentation, using matlab to achieve a base four fast Fourier transform
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matlab编写的快速傅里叶变换，可以求出信号的幅频特性图-Matlab prepared by the fast Fourier transform, you can find the signal amplitude characteristics of the map
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