搜索资源列表
two_dimensional_PSD
- 二维功率谱密度计算程序 使用傅里叶变换 -2D PSD caculation estimator
FreqzPhase
- 对信号进傅里叶变换，得到振幅谱和相位谱，并可画出振幅谱和相位谱。-The signal into the Fourier transform, the amplitude spectrum and phase spectrum and amplitude spectrum and phase draw spectrum.
shizixinhaochuli
- 快速傅里叶变换的源程序，不调用fft函数-the source of Fast Fourier Transform，do not call fft function
97288382frft_square
- 分数阶傅里叶变换，MATLAB程序代码，从国外网站下载-fraction fourier transform
power_fft
- 在线快速傅里叶变换（FFT）分析演示，Matlab/Similink-Online fast Fourier transform (FFT) analysis of demonstration, Matlab/Similink
digital_signal_processing
- 给出了数字信号处理课程设计的基本程序，包括采样、快速傅里叶变换、功率谱分析等。-Give a digital signal processing of the basic procedures for curriculum design, including sampling, fast Fourier transform, power spectrum analysis.
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
dmt
- MATLAB FFT DCT 傅里叶变换-hao MATLAB FFT DCT
fa
- 离散的分数阶傅里叶变换MATLAB程度代码，可用于数字水印研究及图像处理、-Discrete fractional Fourier transform of the degree of MATLAB code can be used for digital watermarking and image processing,
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
fft_self
- 用matlab实现的一个快速傅里叶变换的函数。可以实现正变换和反变换 -it is a function developed under the matlab which can accompish the fast fourier transtorm in forward and inverse
st
- S-transformer,S 变换是由连续小波变换(CWT)和短时傅里叶变换(STFT)结合发展起来的另一种时频分析方法-S-transformer, S transform is a continuous wavelet transform (CWT) and the short-time Fourier transform (STFT) together with the development of an alternative method of time-frequency anal
restore
- 图像增强的目标是改进图片的质量，例如增加对比度，去掉模糊和噪声，修正几何畸变等；图像复原是在假定已知模糊或噪声的模型时，试图估计原图像的一种技术。 图像增强按所用方法可分成频率域法和空间域法。前者把图像看成一种二维信号，对其进行基于二维傅里叶变换的信号增强。采用低通滤波（即只让低频信号通过）法，可去掉图中的噪声；采用高通滤波法，则可增强边缘等高频信号，使模糊的图片变得清晰。具有代表性的空间域算法有局部求平均值法和中值滤波（取局部邻域中的中间像素值）法等，它们可用于去除或减弱噪声。 -A
optics
- 分数傅里叶变换以及计算全息图的迂回编码实现，以及衍射的仿真和所需的计算机生成图形。对信息光学的研究人员有用处。-Fractional Fourier Transform and circuitous CGH Coding and diffraction simulation and the required computer-generated graphics. Optics researchers in information useful.
FTF
- 一种快速傅里叶算法程序，多本matlab书上都要用到的例题。程序非常不错。-A fast Fourier algorithm program, and more in this book have used matlab example. Program is very good.
FFT
- 基于MATLAB的快速傅里叶变化论文，有需要的速度，绝对原创-Fast Fourier transform based on MATLAB papers, there is a need for speed, the absolute originality
FFT_Convolution
- 快速傅里叶变换和离散线性褶积matlab程序，可以直接调用-Fast Fourier transform and discrete linear convolution matlab program, you can directly call
Gerchberg_Papoulis
- Gerchberg_Papoulis利用反复应用傅里叶变换与反变换及加入已知条件的迭代算法，解决带限函数外推。-Gerchberg_Papoulis using repeated application of Fourier transform and inverse transform and adding the known conditions of the iterative algorithm to solve band-limited function extrapolation.
fastpoisson
- 该方法 基于快速傅里叶变换，求解方形区域的poission方程 比差分 有限元快。
matlab
- 压缩文件中包含用小波变换、傅里叶变换、哈达玛变换、离散余弦变换实现图像压缩的源码，和一个绘制图像直方图及均衡化后的图像的直方图的程序。-Zip file contains the wavelet transform, Fourier transform, Hadamard transform, discrete cosine transform image compression source code, and a procedure of drawing image histogram .