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Description: 用MATLAB语言编写的基2 DIT FFT子程序& 用简单的速度很低的方法计算DFT-using MATLAB prepared by the two-DIT FFT routines
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Size: 1024 |
Author: egg |
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Description: MATLAB 的有限序列的离散傅里叶变换（DFT）源程序-MATLAB finite sequence of discrete Fourier transform (DFT) source
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Size: 1024 |
Author: 陈咚咚 |
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Description: 自己实现的一维、二维DFT。优点：变换后的低频分量在中间，弥补了matlab库函数的不足（高频分量在中间）-Realize their own one-dimensional, two-dimensional DFT. Advantages: low-frequency components after the transformation in the middle, made up for the inadequacy of matlab library function (high-frequency component in the middle)
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Size: 2048 |
Author: gjf281 |
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Description: 针对一幅图像的DFT变换及移到中心并返回幅度值和角度-Against an image of the DFT transform and move to center and return rate of value and perspective
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Size: 32768 |
Author: opalus413 |
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Description: 加arnold置乱的数字水印在matlab下的ＤＦＴ仿真实现整个程序运行还行，共享给大家-jpeg of the Matlab Simulation, and the whole process has run OK, for everyone to share -Add arnold Scrambling of digital watermarking in matlab under the DFT simulation run also realize the whole process line, to share to everyone-jpeg of the Matlab Simulation, and the whole process has run OK, for everyone to share
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Size: 2048 |
Author: 小户 |
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Description: 离散傅里叶变换，开发环境是MATLAB。-Discrete Fourier Transform, the development environment is MATLAB.
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Size: 11264 |
Author: andy |
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Description: 基于dft的水印代码，水印注入、提取、防攻击测试-DFT-based watermarking code, watermark injection, extraction, anti-attack test
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Size: 356352 |
Author: wjp |
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Description: 计DFT，IDFT,FFT,循环卷积，循环移位以及重叠保留法-Of DFT, IDFT, FFT, cyclic convolution, cyclic shift and overlap to retain the Law
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Size: 3072 |
Author: 徐建国 |
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Description: dft数字水印源代码 -DFT Digital Watermarking source code
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Size: 111616 |
Author: chenyuzhong |
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Description: 1)编写DFT子函数（计算并画出幅频特性），以后可调用。
2）N=32，M=32，128，256时，分析频率分辨率、频谱的光滑程度。
3）N=64，256，512时，分析频率分辨率和频谱的光滑程度。
-1) the preparation of DFT Functions (calculated and drawn amplitude-frequency characteristics), the future can be called. 2) N = 32, M = 32,128,256, the analysis of the frequency resolution, the degree of smooth spectrum. 3) N = 64,256,512, the analysis of the frequency spectrum resolution and the degree of smoothness.
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Size: 45056 |
Author: hsf |
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Description: 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 computing discrete Fourier transform (DFT) and IDFT image. 3 Calculation of the amplitude spectrum, phase spectrum, as well as detection of signal frequency
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Size: 100352 |
Author: chissie |
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Description: 基于matlab 的 dft 的
fft 的 是吸纳-the same as before fft dft
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Size: 2048 |
Author: 陈巍 |
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Description: 实现dft基本功能。对频率分辨率有特殊说明，希望对您有帮助。-The realization of the basic functions of dft. Frequency resolution of special note, I hope for your help.
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Size: 4096 |
Author: 胡 |
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Description: fft算法，fft与dft算法的比较，并有详细的文档说明。-fft algorithm, fft compared with the dft algorithm and a detailed description of the document.
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Size: 16384 |
Author: 张岚 |
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Description: 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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Size: 1024 |
Author: bashezhe |
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Description: 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 digital signal processing algorithms in the basic principles, including the Z transform, DFT transform and its fast algorithm FFT and other signal transform algorithm and including IIR and FIR digital filter design and implementation, discussed in detail by using MATLAB software, the signal transformation The principle and design of digital filters ﹑ steps and implementations, and gives MATLAB-based simulation and emulation. Article Finally, the experimental results and the results made on the further explanation and clarification. Key words: Z transform, discrete Fourier transform DFT, digital filter, system architecture simulation
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Size: 256000 |
Author: zhd |
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Description: 数字信号处理中的DFT源代码，很实用，希望对大家有用-DFT Digital Signal Processing source code, it is useful, we want to be useful
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Size: 15360 |
Author: 姚涛 |
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Description: 利用DFT变换实现数字水印的源代码，请大家赐教-the code about the digital watermark in the region of DFT，using matalab
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Size: 3072 |
Author: wangmin |
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Description: 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 processing, the center of movement. Including sub-block DCT processing, and retention of small coefficients, and compare the results.
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Size: 390144 |
Author: pxjy |
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Description: DFT算法在matlab里的实现方法，自行查看(DFT algorithm in matlab)
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Size: 1024 |
Author: 无月泪痕
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