搜索资源列表
gecengdeWavlet
- 用了比较简单的方法实现了一层、二层、三层小波变换和小波变换逆变换。主要是运用了图像的差分实现的小波变换!-with a relatively simple method of a layer, two-story, three-tier wavelet transform and wavelet transform inversion. Mainly through the image to achieve the difference wavelet transform!
func_DWT
- 用于完成小波变换的函数,这个函数与matlab自带的函数不同之处在于它可以返回矩阵,而不是一个行向量-wavelet transform for the completion of the function, Matlab functions and the built-in function of the difference between lies in the fact that it can return to the matrix and vector is not a trip
sft_wt.rar
- 给定函数,变换到频域内,比较短时傅里叶变换大、小视窗和小波变换的区别,生成时频分析图,A given function, transform the frequency domain, more short-time Fourier transform, and a small window and the difference between wavelet transform to generate time-frequency analysis
test97
- 9_7小波变换的程序代码,注意是与5_3小波变换是有区别的-9_7 wavelet transform code, attention is 5_3 wavelet transform there is a difference between
wavelet_transformation
- 简单的小波压缩变换工作的原理如下: 信号和求导信号,形成的求同信号序列和求导信号序列的长度均为输入信号的长度的一半.如果输入信号序列是A={a(1),...,a(n)}求同信号S={s(1),...,s(n/2)}和求异信号D={d(1),...,d(n/2)}的计算方式为: for i=1,...,n/2 s(i)=a(2*i-1)+a(2*i) d(i)=a(2*i-1)-a(2*i) 例如输入信号是: 5,2,3,2,5,7,9,6
OneDimensionalDiscreteWaveletTransforms
- 本实验要求开发一个基本的哈尔小波变换程序包,用于后续的实验。实验中使用哈尔基函数特有的“平均”与“差分”方法。首先要编写一个计算哈尔小波的j-尺度离散小波变换程序。并且要编写一个计算哈尔小波的j-尺度的逆离散小波程序,并用课本上的例7.8来验证所编写的程序-The experiment calls for the development of a basic package Haar wavelet transform for the follow-up experiment. Harki fu
zernpol
- 实现zenike波前重构,能够模拟存在相差的光波。-Achieve zenike wave-front reconstruction, there is a difference of light waves can be simulated.
Galerkin
- Decomposed element-free Galerkin method compared with finite-difference method for elastic wave propagation
PCA_Nicolas
- 提出一种基于主成分分析(PCA)分解的图像融合框架。对源图像进行主成分分析,依据前几个主成分重建图像,经过下采样过程得到近似图像,对近似图像进行上采样,得到上层图像的差异图像(即细节图像),将最底层近似图像与各层细节图像进行累加完成图像的重构-The proposed fusion framework based on principal component analysis (PCA) decomposition. Principal component analysis of the sou
fwt_db
- 此示意程序用DWT实现二维小波变换,并研究原始图像与重构图像的区别-This signaled the program to two-dimensional wavelet transform, and study the difference between the original image and the reconstructed image using DWT
Sound_modulation_A_law_u_law
- 脉冲编码调制程序,采用A律和u律,可在GUI中显示变换前后波形区别并播放声音。-A Pulse Code Modulation program based on A-law and u-law. Can display in the GUI waveform before-and-after difference and play the sound.
DIFFERENCE-SETS
- 差集\天线阵列分析\方向图、二维图、三维图-difference sets
timefre
- 时频分析,窗宽对信号恢复的影响 以及差值分析-Time-frequency analysis, the impact of the window width and the difference signal recovery analysis
xiaobobianhuan
- 中国科学技术大学小波变换实验源代码,包括离散小波变换、二维小波变换、双尺度差分方程迭代求解以及图像压缩-University of Science and Technology of China experimental wavelet transform source code, including the discrete wavelet transform two-dimensional wavelet transform, two-scale difference equation it