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shuju
- 文章通过对实序列快速傅里叶变换的算法推导及Mallat 算法原理的分析，根据离散小波变换（DWT）算 法结构特征，提出了一种离散小波的快速变换算法，给出了相应的算法步骤。从数学理论上进行了论证，并把该算法 应用到静态图像处理中，得到了很好的快速和重建效果，具有一定的实用价值。 关键词：小波分析；Mallat 算法；快速小波算法 图像处理 中图分类号：TN914 文献标识码：A 1 引言 小波分析是近十多年来迅速发展起来的新兴学科和信号分析理论，是继傅里叶分析方法之后的重
c_Lib
- c语言科学与工程程序库，主要包括一般统计，多重回归，Fourier分析-c language of science and engineering libraries, including general statistics, multiple regression, Fourier analysis, and so on
fftvc
- 这是一个好东西,是关于傅立叶分析的代码,希望大家能够喜欢呀,-This a good thing, Fourier analysis of the code and I hope we can like it, thank you
gloptipoly3
- GloptiPoly 3: moments, optimization and semidefinite programming. Gloptipoly 3 is intended to solve, or at least approximate, the Generalized Problem of Moments (GPM), an infinite-dimensional optimization problem which can be viewed as an
Numerical_Computing_with_MATLAB
- Numerical Computing with MATLAB （by Cleve Moler) is a textbook for an introductory course in numerical methods, Matlab, and technical computing. The emphasis is on in- formed use of mathematical software. We want you learn enough about the mathe-
ncm
- Toolbox for Numerical Computing with MATLAB （by Cleve Moler). Numerical Computing with MATLAB （by Cleve Moler) is a textbook for an introductory course in numerical methods, Matlab, and technical computing. The emphasis is on in- formed u
视频分析程序(STFT和CWT,DWT)
- 数字信号处理的视频分析中短时傅立叶变化STFT和连续小波变化CWT和离散小波变换DWT的算法源程序,在实际中已应用,-digital video signal processing of short-time Fourier analysis of changes STFT and continuous wavelet transform CWT and DWT DWT algorithm source, in practice has been applied.
Sawtooth_fourier
- 锯齿波和三角波的傅立叶分析MATLAB程序-Saw-tooth and triangular wave Fourier analysis of MATLAB programs
HW2
- In mathematics, the discrete-time Fourier transform (DTFT) is one of the specific forms of Fourier analysis. As such, it transforms one function into another, which is called the frequency domain representation, or simply the "DTFT", of the original
stft
- 本例介绍了一个利用MATLAB仿真短时傅里叶变换的实例，初学者可以根据此例子来了解短时傅里叶变化的过程，通过仿真图形分析也可理解短时傅里叶变换的含义。-This example describes a short time Fourier transform using MATLAB simulation examples, beginners can understand this example of short-time Fourier transform of the process,
MusicGeneration
- 简单的音乐合成实验，可以对以段现有的音乐进行傅里叶分析，并播放一段自己输入生成的音乐。针对信号系统Matlab应用的大作业编写-Simple music synthesis experiments, the section on Fourier analysis of existing music, and play a segment of the input generated by their music. Matlab application for a large signal sys
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
FFT
- 快速傅里叶分析的C算法程序，是基二FFT算法，内付简单使用说明。-Fast Fourier analysis of the C algorithm procedure is the base two FFT algorithm, with simple instructions to pay.
fourier_matlab
- 方波的傅里叶分析，用MATLAB对方波分解为傅立叶级数并画出方波合成曲线-Square of the Fourier analysis, using MATLAB the other wave is decomposed into Fourier series and draw the curve of square-wave synthesis
fourier-analysis-application-in-fingerprint
- INTHIS WE ARE ABLE TO SUMMARIZE fourier analysis application in fingerprint
Frequency-domain-analysis
- 信号的频域分析，根据图像，懂得信号的离散傅里叶分析情况。-Frequency domain analysis of the signal, the image, Fourier analysis to understand the situation of discrete signals.
Fourier-analysis_DC-Even-Waveform
- 基于DFT算法对采样波形开展傅里叶分析，得到各次谐波的含量及角度。算法采用VBA编程，波形数据和分析结果直接显示在excel表格中，操作简便、直观。例程以直流偶次波形为参考波形开展傅里叶分析，可在源波形列输入其他任意波形进行分析。-To carry out sampling waveform Fourier analysis based on DFT algorithm, to obtain the content and angle of each harmonic. Algorithm
Fast fourier analysis
- Fast fourier analysis with a time base input
fourier-analysis-in-excel
- Its a Fourier analysis of different waveforms
Fourier-Analysis
- 傅里叶变换的一些相关matlab学习案例，光看理论学起来费力，里面是傅里叶逼近和正弦波合成方波例子-Some relevant case study matlab Fourier transform, look effortlessly learn the theory, which is the Fourier synthesis of sine and square wave approximation examples