搜索资源列表
frft.rar
- 本程序使用分数阶傅里叶变换实现了对信号的处理,方法非常高效,frft
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
fft
- 设计一个按照时间抽取的基2快速傅里叶变换(基2FFT-DIT)。输入倒位序,输出自然顺序-To design a time of extraction according to the base 2 Fast Fourier Transform (base 2FFT-DIT). Input inversion sequence, the output of natural order。
DFT
- 用matlab实现了对于已知序列求其离散傅里叶变换,并给出了三个实际例子进行解释。-Achieved with matlab known sequence requirements for its discrete Fourier transform, and gives practical examples to explain the three.
HowToUseFFT2
- 在滤波和信号处理中,利用matlab功能实现二维快速傅里叶变换-In filtering and signal processing using matlab function realization of two-dimensional fast Fourier transform
FFT
- 实现快速傅里叶变化,并对结果进行分析,增强对快速傅里叶变换的离家-Fast Fourier changes, and the results were analyzed to enhance the fast Fourier transform of the home
DigitalSignalofMatlab
- 数字信号处理,包括:各种现有信号及随机信号的输入,从文件读取数据的输入,各种滤波器的实现,傅里叶变换等,傅里叶反变换等,谱分析,利用图形界面形式编写,简单且可视化强,便于理解。-Digital Signal Matlab
1DTFT(2)
- 实验二 离散时间傅里叶分析 1. 离散时间信号 , ,求 的傅立叶变换 。 离散时间信号 , ,求 的傅立叶变换 -Experiment 2 discrete-time Fourier analysis 1. Discrete-time signal, find the Fourier transform. Discrete-time signal, find the Fourier transform
Matlab
- matlab 傅里叶变换 求包络 等对声音的处理文件-the matlab Fourier transform seeking envelope of sound processing files
matlab+c
- 二维图像的投影和图像重建,直接傅里叶反变换法,先反投影后滤波,先滤波后反投影,卷积反投影(Two dimensional image projection and image reconstruction, direct Fourier inverse method, first backprojection, after filtering, first filter, back projection, convolution back projection)
freqresponse
- matlab对信号的处理,主要是针对振动信号的处理,包括加速度积分到位移,时域经快速傅里叶变换到频域(The signal processing of MATLAB is mainly aimed at the processing of vibration signal, including acceleration integral to displacement, time domain and FFT to frequency domain)
FFT
- 利用matlab进行傅里叶变换及反变换,实现空域到频域,频域到空域的图像处理(Using Fourier transform and inverse transform, to achieve the airspace to the frequency domain, frequency domain to the airspace image processing)
程序与图像
- 利用matlab对函数进行傅里叶变换得到相差等(Fourier transform function using MATLAB, such as phase difference)
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
tutorial
- 利用快速傅里叶变换滤波,空域变换的,图像灰度均衡matlab函数代码,用于学习信号处理(filter by using fast Fourier transform)
短时傅里叶变换matlab
- matlab 时频分析工具箱实现短时傅里叶变换(Realization of short time Fourier transform by MATLAB time frequency analysis toolbox)
基于MATLAB的非线性薛定谔方程的数值算法研究
- 这是一篇关于非线性方程数值求解的论文,基于分步傅里叶算法,通过Matlab编程,里面详细代码程序。(This is a paper about the numerical solution of non-linear equations.)
finufft-master
- matlab非均匀傅里叶变换程序,支持所有三种类型(matlab non-uniform fft for all three types)
图像傅里叶变换
- 二维傅立叶变换的Matlab实现,是利用图像处理软件对给出的图像进行傅立叶变换处理。在Matlab中,函数fft2表示二维傅立叶变换,函数ifft2则表示二维傅立叶反变换。(The Fourier transform of the image)
stft
- matlab实现短时傅里叶变换的程序源码,自带例子,十分简单易懂,可以做时频谱分析。(Matlab short-time Fourier transform program source code, with examples, very simple to understand, can do time-frequency spectrum analysis.)