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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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是基于傅里叶变换的数字图像水印的matlab源代码-Is based on the Fourier transform of digital image watermarking matlab source code
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通信原理实验代码，AM信号，单边带信号，双边带信号的产生以及傅里叶变换-Communication Theory test code, AM signal, single-sideband signal, as well as double-sideband signal generation Fourier transform
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FRFT时频变换代码（参考算法：H.M. Ozaktas, M.A. Kutay, and G. Bozdagi.Digital computation of the fractional Fourier transform.IEEE Trans. Sig. Proc., 44:2141--2150, 1996.）-FRFT transform time-frequency code (reference algorithm: HM Ozaktas, MA Kutay, and G. Bozda
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FFT快速傅立叶变换的代码，只需要Matlab环境即可运行。需要输入分析数据。-FFT Fast Fourier Transform code, only need to run Matlab environment. Need to enter data.
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matlab实现菲涅耳全息图,简单明了，很有用.自己整理的,可以直接运行。-matlab achieve the Fresnel hologram, simple and useful. collate their own, and can be directly run.
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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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fast fourier transform (FFT) code in MatLab
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分别给出了饼图的绘制、阶梯图、枝干图、罗盘图、轮廓图、交互式图形、变换的傅立叶函数曲线、劳伦兹非线形方程的无序活动、填充图、条形图和阶梯形图matlab的样例代码，简单实用。-Drawing pie charts are given respectively, ladder diagram, branches map, compass map, contour maps, interactive graphics, the Fourier transform function curves, L
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傅里叶变换，FSERIES 返回傅里叶系列系数，代码中对参数有详尽的解释说明，方便看懂-Fourier transform, FSERIES back Fourier series coefficients, the code of the parameters detailed explanations, easy read
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2D傅立叶变换，上课的小作业，包含报告和源码-2D Fourier transform, the small school assignments, reports and source code that contains
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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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可以计算非线性薛定愕方程的exe程序,代码是matlab的- This program is a simple introduction to the Fast Fourier Transform
Analytic and numerical solution are take into account.
The code(MATLAB) can be used to simulate Nonlinear Schrodinger Equation (NLSE)
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Pass the Images Through Optics -- Use a Gaussian "Aperture Function"
This code segement can use a measured aperture function just as easily - simply replace the next five lines by "load measured_aperture" where measured_aperture is the measur
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This code implements automatic gain control for audio signals, which attempts to apply a smoothly-varying gain to an audio waveform in order to keep its energy close to some target level. This version also tries to balance the energy in individual fr
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频率提取（FFT）的Matlab实现，使用该代码可在MATLAB中实现快速傅立叶变换-Frequency Extraction (FFT) of the Matlab implementation of the code in MATLAB using the fast Fourier transform in
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应用MATLAB实现傅里叶变换的源代码，有助于更好的学习傅里叶变换。-Achieve Fourier transform of the source code based on MATLAB, contribute to a better learning Fourier transform..
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本代码基于MATLAB和visual c++对图像进行傅里叶变化。-The code based on MATLAB and visual c++ image of the Fourier transform.
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detection of R peak by fast fourier transform
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对二维图像去噪，使用分数阶傅里叶变换算法。(For two-dimensional image denoising, fractional Fourier transform algorithm is used.)
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