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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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In mathematics, the discrete-time Fourier transform (DTFT) 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 "DTFT", of the original
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matlab编写的离散fourier变换程序，好东西哦 -Discrete fourier transform process with matlab language, good things!
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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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this about DTFT.DTFT s matlab code and it is for Discrete time fourier transform.-this is about DTFT.DTFT s matlab code and it is for Discrete time 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
-This article describes a variety of
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实现了matlab的二维离散傅里叶变换.
-Achieve two-dimensional discrete Fourier transform matlab.
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这是一个matlab图像变换程序包，包括傅里叶变换、离散余弦变换、Radon变换等-This is an image transform matlab package, including Fourier transform, discrete cosine transform, Radon transform
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A simple program to find the discrete fourier transform(DFT) and inverse discrete fourier transform(IDFT) of a signal.
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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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通过MATLAB工具箱运用离散傅里叶变换对正弦信号和放波信号进行傅里叶分析-Through the use of Discrete Fourier Transform MATLAB toolbox on the sine wave signal and let the Fourier analysis of signals
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有关分数阶离散傅里叶变换的程序以及文章，文章详细介绍了离散傅里叶变换，有助于读者的学习-Fractional Fourier transform on the procedures and articles, the article introduces the discrete Fourier transform, to help readers learn
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无限长的序列也往往可以用有限长序列来逼近。对于有限长的序列我们可以使用离散傅立叶变换（DFT）。DFT是对序列傅立叶变换的等距采样。是序列傅立叶变换的等距采样。
本源码是对DCT、DFT、FFT的matlab实现-Infinitely long sequence is often a long sequence with limited approximation. For the finite length of the sequence we can use the discrete F
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数值计算机建模：Matlab建模及编程来用时域有限差分法计算光子晶体的透过率。分别使用FDTD方法及离散傅立叶变换方法求解。-Numerical computer modeling: Matlab programming to modeling and finite-difference time domain method to calculate the transmittance of photonic crystals. Respectively, using the FDTD meth
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信号的循环卷积，离散傅里叶变换，产生理想低通滤波器h(n)的函数-Signal of the circular convolution, discrete Fourier transform, resulting in an ideal low-pass filter h (n) function
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To investigate the effects of the discrete Fourier transform parameters on the frequency spectra of discrete-time signals.
-Display x(n) on the screen with the plot command in Matlab
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基于MATLAB的图像离散傅立叶变换研究(Research of image discrete Fourier transform based on MATLAB)
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fft implementation using matlab
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