搜索资源列表
STFFTtool
- 对非平稳信号进行分段、截取，将非平稳信号转化为平稳信号，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 fre
STFFTtool2
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，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，达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spe
STFFTtool3
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，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，一图像的形式表达出，最终达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysi
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)
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)
STFT
- MATLAB实现短时傅里叶变换，短时傅里叶逆变换。直接配置好参数就可以用，实用性强。(MATLAB implementation of short time Fourier transform, short time Fourier inverse transform. Direct configuration of parameters can be used, practically.)
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
Fourier transform
- 信号处理中简单傅里叶变换的matlab程序(Matlab program of simple Fourier transform in signal processing)
fftcalcshift
- 实现了利用傅里叶变换求两张图像平移距离； 输入是两张具有平移关系的图片； 输出distancex，distancey表示求得的平移距离(The Fourier transform is used to calculate the translation distance of two images. The input is two images with a translation relationship. The output distancex, distancey repres
图像加减等操作
- 利用matlab实现图像的加减，图像的傅里叶变换等等图像处理过程(Using MATLAB to realize image processing and subtraction, image Fourier transform and so on image processing)
x
- 采用傅里叶变换，实现噪声图像的修复，主要内容是通过傅里叶变换构建高通滤波，使用matlab 编程 实现(The main content is to construct high pass filter by Fourier transform and implement it with Matlab programming)
11
- 计算多组信号的卷积，并画图，采用傅里叶变换分析信号的幅度谱和角度谱，采用matlab 编写(The convolution of multiple sets of signals was calculated and plotted. The amplitude and angle spectra of the signals were analyzed by Fourier transform. Matlab was used to write the graph.)
fft
- 基于MATLAB的快速傅里叶变换的程序仿真 附课件(Program simulation of fast Fourier transform based on MATLAB)
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)
FSSTn-master
- 一种新的瞬时频率估计方法，用到了同步压缩短时傅里叶变换的高阶形式(This MATLAB package is a collection of scr ipts allowing to generate figures in the paper [1]. This paper puts forward a generalization of the short-time Fourier-based Synchrosqueezing Transform using a new local esti
MATLAB
- 通过级联分数傅里叶变对图像进行加密解密，可自行设置秘钥，以及加密的阶数，具有良好的保密性(Encryption and decryption of image by fractional Fourier transform)
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.)
BPF
- matlab 使用傅里叶变换投影反投影sheep-logon(matlab Sheep-logon Projection Back Projection Using Fourier Transform)