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应用离散傅里叶变换DFT，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
-application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
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离散傅里叶变换，即DFT, 注意：FFT在matlab里有现成的函数可以用，它只是DFT快速实现的一种方法而已。,DFT： Discrete Fourier transform.
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对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换（DCT）进行了详细的分析。其中DFT包括log视觉处理，中心点移动等。DCT包括分块处理，和保留较少系数，并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
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图像处理matlab源代码，主要使用傅里叶变换。-Image processing matlab source code, primarily using the Fourier transform.
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用matlab实现了对于已知序列求其离散傅里叶变换，并给出了三个实际例子进行解释。-Achieved with matlab known sequence requirements for its discrete Fourier transform, and gives practical examples to explain the three.
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利用蝶形算法，实现快速傅立叶变换及其逆变换-The use of butterfly algorithm, fast Fourier transform and its inverse transform
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离散傅立叶变换函数
Program to compute DFT coefficients directly-Discrete Fourier Transform function Program to compute DFT coefficients directly
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题目：离散富立叶变换（DFT）和频谱分析.matlab实现 1信号函数h(t)= e-a*t*tsin(2πft)2编程计算的离散富立叶变换（DFT）和IDFT图像。3计算振幅谱，相位谱以及检测信号主频-Title: Discrete Fourier Transform (DFT) and spectral analysis. Matlab function to achieve a signal h (t) = ea* t* tsin (2πft) 2 programming computin
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离散傅里叶变换的程序，可以画出原图和频谱-Discrete Fourier Transform process
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离散傅里叶变换时实现信号频域分析的第一步，用matlab实现对离散傅里叶变换的描述。-Discrete Fourier transform when the signal frequency domain analysis to achieve the first step, using matlab to achieve a descr iption of discrete Fourier transform.
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离散傅立叶变换(DFT)及其反变换的实现,有限长序列的循环移位、循环卷积-Discrete Fourier Transform (DFT) and its inverse transform of the realization of the cyclic shift sequence of finite length, circular convolution
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利用DFT法求周期信号的功率谱,实现离散傅立叶变换DFT,最后分析得到频谱幅度.-DFT method using the power spectrum of periodic signals seeking to achieve the Discrete Fourier Transform DFT, the final analysis, amplitude spectrum obtained
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In mathematics, the discrete Fourier transform (DFT) is one of the specific forms of Fourier analysis. As such, it transforms one function into another, which is called the frequency domain representation, or simply the DFT, of the original function
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本文介绍了数字信号处理中各种算法基本原理，包括Z 变换、DFT 变换及其快速
算法FFT 等信号变换算法和包括IIR 与FIR 数字滤波器的设计与实现，详细论述了利用
MATLAB 软件对信号变换和设计数字滤波器的原理﹑ 步骤和实现方法，并给出了基于
MATLAB 的模拟与仿真。文章最后给出了实验结果，并就其结果做了进一步的解释和说明。
关键词：Z 变换，离散傅立叶变换DFT，数字滤波器，系统结构仿真
-This article describes a variety of
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对图像进行傅里叶变换，观察其幅度谱和相位谱-Fourier transform of the image to observe its amplitude spectrum and phase spectrum
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编写一个matlab函数用一个N点离散傅里叶变换同时计算两个N点实序列的离散傅里 叶变换，并将结果与直接使用两个N点离散傅里叶变换计算出来的结果进行比较-Write a matlab function with an N point discrete Fourier transform and calculate actual sequence of two N point discrete Fourier transform, and the results with the direct u
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本程序实为图像的快速傅里叶变换，实现了图像加入水印的算法-This procedure is actually the image of the fast Fourier transform to realize the image to join Watermarking
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This contain discrete fourier transform code and inverse discrete fourier transform coded in matlab and also contain dfs and idfs
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应用离散傅里叶变换DFT，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。-application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
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16点DFT离散傅里叶变换的MATLAB仿真，给出最终的频域序列(16 point DFT discrete Fourier transform of the MATLAB simulation, given the final frequency domain sequence)
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