搜索资源列表
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.
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
FFTandIFFT
- 傅里叶变换FFT和逆傅里叶变换IFFT 欢迎大家喜欢-FFT and IFFT
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
SpeechRecognition
- 基于MATLAB的快速傅里叶变换，与调用的函数结果是一样的-MATLAB-based fast Fourier transform, and call the function result is the same as
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
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- 本上传讲解了傅里叶变换与频谱分析之间的关系，通过fft的到信号的频谱图-Explained the Fourier transform of the upload and spectral analysis of the relationship between the fft of the signal through the frequency spectrum
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。
mallat
- 小波谱分析mallat算法经典程序 MALLET分解算法(圆周卷积的快速傅里叶变换实现)-Algorithm for spectral analysis mallat small program MALLET classic decomposition algorithm (circular convolution of the fast Fourier transform)
广义s变换
- 广义S变换 结合了小波变换和短时傅里叶变换的特点，是时频分析领域中一个较新的内容，现在在信号处理，地震勘探，语音识别等领域都开始了对它的应用研究，是目前的一个热点
MATLAB Codes
- 二维图形矩阵的傅立叶变换和逆傅里叶变换算法(Fu Liye transform and inverse Fourier transform algorithm for two dimensional graphic matrices)
STFFTtool1
- 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。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysis of the spectrum charac
M文件
- 对于离散傅里叶变换的学习理解很有帮助，同时有助于对MATLAB语言的练习。(It is helpful for the learning and understanding of discrete Fourier transform, and it is helpful for the practice of MATLAB language.)
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.)
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)
FFT
- 在matlab中对振动信号实现快速傅里叶变换(The realization of fast Fourier transform for vibration signals in MATLAB)
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- 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.)
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)