搜索资源列表
stft
- 用matlab实现信号的加窗傅里叶变换，并绘出结果。-Using matlab to achieve signal windowed Fourier transform, and mapped the results.
FT2D
- 任意常用二维函数傅里叶变换，包括绘图功能。-Any commonly used two-dimensional Fourier transform functions, including graphics.
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
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.
RD-frft
- 关于分数阶傅里叶变换的例子 关于分数阶傅里叶变换的例子 -the example of frathinog fft
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
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
therefft
- 改程序是建立在一维FFT的基础上编写的，改进的程序可以实现三维的快速傅里叶变换-3D-FFT
frequency
- 用傅里叶变换对图形进行变换，然后用高斯低通、高通滤波器对图像进行去噪-Fourier transform graphics transform, and then use Gaussian low-pass, high pass filter for image denoising
DFT
- 对图像进行傅里叶变换，观察其幅度谱和相位谱-Fourier transform of the image to observe its amplitude spectrum and phase spectrum
FFTReconstruction
- 可以实现全息图的一次快速傅里叶变换，对全息图进行再现，也可以用于全息干涉图的再现-Hologram can be achieved in a fast Fourier transform, reconstruction hologram can also be used for reproduction of holographic interferograms
filt
- 关于图像滤波的一个实例应用，教会你如何通过傅里叶变换滤除单频噪声-An example of image filtering applications, teach you how to filter out single-frequency noise in Fourier transform
声音解析matlab
- 对非平稳信号进行分段、截取，再做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The non-stationary signals are segmented and intercepted, and then the short-time Fourier transform is used to analyze their frequency spectrum characteristics, and the frequency charact
MATLAB希尔伯特Hilbert变换求包络谱
- MATLAB的希尔伯特谱分析，导入数据实现算出。最下二乘拟合算法。快速傅里叶变换详细算法。(MATLAB Hilbert spectrum analysis, import data to achieve calculation.The two by fitting algorithm. With the fast Fourier transform algorithm.)
图像处理
- 图像处理的基本操作，主要以傅里叶变换为例，展示代码细节(The basic operation of image processing, mainly Fourier transform, for example, display code details)
ch
- 利用MATLAB计算傅里叶变换并作出频谱图像的代码和图像，涉及FFT算法，看代码可以理解一下~为北京理工大学信号与系统实验实验三的答案(Fourier transform using MATLAB calculation and make spectral image code and images, involving the FFT algorithm, look at the code can understand ~ Beijing Institute of Technology sig
MATLAB教学视频：傅里叶变换的频域滤波详解
- MATLAB教学视频：傅里叶变换的频域滤波详解(MATLAB teaching video: Fourier transform filtering in frequency domain)
MATLAB
- 对二维图像进行傅里叶变换，在频率进行低通滤波(Fourier transform of two-dimensional image and low pass filter in frequency)
sinc_gause
- 简单函数的傅里叶变换，包括sinc、高斯函数和带有二次相位的高斯函数的傅里叶变换(Fourier transform of simple function)
MATLAB
- 通过求解信号的包络谱和快速傅里叶变换，进行分析(By analyzing the envelope spectrum and fast Fourier transform of the signal, the analysis is carried out.)