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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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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
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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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离散傅里叶变换DFT(Discrete Fourier Transform)
10 快速傅里叶变换FFT(Fast Fourier Transform)-9Discrete Fourier Transform (DFT (Discrete Fourier Transform)
10 Fast Fourier Transform FFT (Fast Fourier Transform)
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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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