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stft_timefreq_complexSignal
- 短时傅立叶变换测频，可对复信号处理。界面设计好，用户交互方式编程。-STFT frequency measurement can be complex signal processing. Interface design, the user interactively programming.
DFT_FFT_COMPARISON
- 离散傅立叶变换DFT和快速傅立叶变换FFT的比较-Discrete Fourier Transform and Fast Fourier Transform Comparison
FFT2
- 进行快速傅立叶变换，是一个改进的算法，较好。-Fast Fourier transform, an improved algorithm is better.
fft
- fft变换,经常用到的快速傅立叶算法，FFT变换，基2DIT，输入参数：x 复数点序列, m FFT的级数 -fft transform, fast Fourier frequently used algorithms, FFT transform, based 2DIT, input parameters: x plural point sequence, m FFT of the series
jpeg
- 在matlab环境下基于傅立叶变换的图像压缩和反压缩-Matlab environment in Fourier transform-based image compression and anti-compression
labex5
- 该程序从不同方面描述了有限长离散傅立叶变换的过程。-From different aspects of the program describes the finite discrete Fourier transform process.
716
- 本程序可用于离散数据的反傅立叶变换，精度高，速度快-spline curve fitting
tftb-0.1
- matlab时频分析工具箱，时频分析工具箱包括短时傅立叶变换和二次型时频分析以及各种时频分析的matlab代码-The Time-Frequency Toolbox (TFTB) is a collection of about 100 scr ipts for GNU Octave and Matlab (R) developed for the analysis of non-stationary signals using time-frequency distributions.
Matlab
- Matlab函数逼近程序，包含下面所列多种算法的程序 。 Chebyshev 用切比雪夫多项式逼近已知函数 Legendre 用勒让德多项式逼近已知函数 Pade 用帕德形式的有理分式逼近已知函数 lmz 用列梅兹算法确定函数的最佳一致逼近多项式 ZJPF 求已知函数的最佳平方逼近多项式 FZZ 用傅立叶级数逼近已知的连续周期函数-Matlab function approximation process, including following the procedu
stft_ft
- 一种短时傅立叶变换的算法.并利用短时傅立叶变换画图-a algorithm for short time fourier transform
preprint
- 详细表述了分数阶傅立叶变换的离散实现，将现有的算法进行比较。-In this note we make a critical comparison of some matlab programs for the digital computation of the fractional Fourier transform that are freely available and we describe our own implementation that lters the bes
stft
- 本程序是一个用短时傅立叶变换实现的心音时间、频率分析-This program is a short-time Fourier transform implemented with the heart sound time frequency analysis
F
- 基于混合基算法的快速傅立叶变换和反变换在VDSL2中的应用与实现-Mixed-radix FFT-based fast Fourier transform and inverse transform in the application and implementation of VDSL2
lisanxinhaofuliyebianhuan
- 离散傅立叶变换(DFT)及其反变换的实现,有限长序列的循环移位、循环卷积-Discrete Fourier Transform (DFT) and its inverse transform of the realization of the cyclic shift sequence of finite length, circular convolution
st
- 一个短时傅立叶变换的MATLAB程序，可以进行信号的时频分析。-A short-time Fourier transform of the MATLAB program, can be time-frequency analysis.
shibie
- 利用Matlab软件，具体实现对于给定图片的边缘提取、链接，同时计算计算图像中每个物体的边界长度、面积、矩，投影、近似圆形的离心率、紧致度和边界的傅立叶描述子。-Using Matlab software, the specific implementation for a given image edge extraction, linking, also calculated for each object in the calculation of the image boundary l
fft-jishuzhankai
- 进行傅立叶级数展开运算,高效快捷，将复杂的数值问题进行傅立叶展开后，简易明了(Fu Liye series expansion is carried out,efficient and quick)
code
- 稀疏傅立叶算法，matlab实现仿真，对于算法重构用到了混叠同余法和相位解码法，并对SFFT和FFT算法对同一数据的处理时间进行了对比。(Sparse Fourier algorithm, matlab to achieve the simulation, the algorithm used for aliasing congruence and phase decoding method, and the SFFT and FFT algorithm for the same data pr
fly
- 关于傅立叶变换有关的图片处理，频谱显示。(Fourier transformation)
基于MATLAB的图像离散傅立叶变换研究_王银花
- 基于MATLAB的图像离散傅立叶变换研究(Research of image discrete Fourier transform based on MATLAB)