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(fourier)-MATLAB
- implement fourier transform by matlab
MATLABprograminfft.用Matlab产生正弦波,矩形波
- 1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图 ,1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and display their
matlab-code
- 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
MATLAB-adu
- 基于分数傅里叶变换的彩色图像加密算法，主要用于数字图像的加密中。-Based on the fractional Fourier transform for color image encryption algorithm, mainly used in digital image encryption.
MATLAB
- Using the function to sample the voice signal and achieve fast Fourier transform in MATLAB, and then get the signal characteristics of the spectrum.Filtering the signal from the filter,and then playback the signal of voice
shape_feature
- 一个简单的傅立叶带亮度描绘子提取图像的形状特征程序-A simple Fourier descr iptor with the brightness of the image shape feature extraction procedures
Computing-the-2D-Discrete-Fourier-Transform
- Computing-the-2-D Discrete-Fourier-Transform IEEE article
FreqDomain_imagEnhanc_and_imagRestore
- Image enhancement in frequency domain using Fourier center frequency, Gaussian lowpass filter, Low pass filter, high pass filter. Image restoration using medean filter, weiner filter with noise generator such as Gaussian noise, Salt and Pepper noise
MATLAB
- MATLAB工具结合数字图像处理，完成实验，有图像彩色空间转换，傅里叶变换，余弦变换，直方图均衡等等，有需要的看一下。-Combination of MATLAB tools for digital image processing, the completion of the experiment, the image color space conversion, Fourier transform, cosine transform, histogram equalization and
DTFT
- 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.
matlab-fft
- 在matlab环境下编写的快速傅里叶变换程序，改变换程序简单有效-Matlab environment in the preparation of the fast Fourier transform procedure to change the procedure for simple and effective
Matlab-FFT
- Matlab Fast Fourier transform
Matlab
- Matlab函数逼近程序，包含下面所列多种算法的程序 。 Chebyshev 用切比雪夫多项式逼近已知函数 Legendre 用勒让德多项式逼近已知函数 Pade 用帕德形式的有理分式逼近已知函数 lmz 用列梅兹算法确定函数的最佳一致逼近多项式 ZJPF 求已知函数的最佳平方逼近多项式 FZZ 用傅立叶级数逼近已知的连续周期函数-Matlab function approximation process, including following the procedu
MATLAB_Medical_Image_Process_Experiments
- MATLAB医学影像处理实验(内含14个原代码及教学的说明) (1)Plot a sine function using MATLAB, and write the data into a file (2)Read data from a file, plot a SINC function, and append the result back to the same file (3)Plot a Gaussian distribution using MATLAB (4)Fo
gaussianFFT
- This a matlab code for fast fourier transformation using gaussian filter-This is a matlab code for fast fourier transformation using gaussian filter
(fourier)-MATLAB
- The chapter of book with interesting examples using Matlab source code.
power_spectrum_notes
- Computing Fourier Series and Power Spectrum with MATLAB.
MATLAB
- 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
Fourier-Matlab-Basics
- Fourier Matlab Basics. This file is for MATLAB Basics.
Síntesis-de-Fourier
- sintesis de fourier matlab