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基于小波变换模极大值的电能质量扰动检测与定位
- 基于小波变换模极大值的电能质量扰动检测与定位.rar-based on wavelet transform modulus maxima of the power quality disturbance detection and location. Rar
ecgsignalprocessingbywavelet
- 这是用小波变换模极大值重建信号的源程序,数据是一心电信号,在matlab6。5下实现,来源于胡广书的《现代信号处理教程》附属光盘,现提供给大家供大家学习参考,滤波部分可以根据个人情况进行修改。程序包含四个部份,其中wave_peak实现信号的分解并求出模极大值-This is the wavelet transform modulus maxima reconstruction of the source signal, data signal is bent in matlab6. 5 und
dbdjc
- 一个利用小波变换模极大值方法进行信号检测的程序-a wavelet transform modulus maxima method of signal detection procedures
WVD_STFT
- matlab求小波变换模极大值的代码,是从别人那找来的-Matlab for wavelet transform modulus maxima code, it is found from the others
多尺度边缘检测实例
- 一个多尺度边缘检测实例,方法是: 1、先对图像进行3个尺度的小波变换; 2、求小波系数的模值及其梯度方向; 3、确定模的极大值,即候选边缘点; 4、通过反变换合成3个尺度的模的极值图像,A multi-scale edge detection example, the method is: 1, first image of the three-scale wavelet transform 2, and the modulus value of wavelet coefficient and
computeext.rar
- 利用小波变换模极大值方法进行信号检测的实验,下面是我在MATLAB中做的程序,Using wavelet transform modulus maxima method of signal detection experiments, the following is what I do in the MATLAB procedure
FusionTechnologyofMedicalImageBasedonWavelet
- 小波变换 图像融合 自适应算法 模极大值 局部区域强度-wavelet transform image fusion adap tive algorithm modulusmaximum local region intensity
MM
- 小波变换的模极大值判断冲击函数、阶跃函数、三角形函数的奇异性-Wavelet transform modulus maxima to determine the impact of function,step function, the singularity of the triangle function
Basedonwavelettransformmodulusmaximamethodtothestu
- 基于小波变换模极大值方法在信号去噪中的研究-Based on wavelet transform modulus maxima method to the study of signal de-noising
MRIbianyuan
- 小波变换模极大值用于MRI图像的边缘检测以及特征值提取-Wavelet transform modulus maxima for the MRI images and the Feature Extraction of Edge Detection
Wavelettransformmodulusmaximaprocedure
- 小波变换模极大值程序,调试过,基本能用。欢迎大家请出宝贵意见-Wavelet transform modulus maxima procedure
abbr_a004a98ee713bfe1ec8ef7f9234fce74
- 有关小波变换的图像去噪中,模极大值方法,希望能对你有用-Denoising the wavelet transform, the modulus maximum, in the hope can be useful to you
SIGNAL_edge_dwt
- 利用小波变换模极大值方法进行信号检测的实验,很容易的检测出突变点-Wavelet transform modulus maxima method of signal detection experiments, it is easy to detect mutations
模极大值降噪算法
- 可以实现对心电信号中模极值点的提取,软硬阈值算法的对比实验,以及小波的多层次分解(It can extract the extreme point of the ECG signal)
任意次B样条小波模极大值
- 基于pscad仿真的行波故障测距的小波模极大值测试matlab程序(Wavelet modulus maxima test matlab program based on PSCAD simulation for traveling wave fault location)
模极大值
- 用于实现小波变换模极大值去噪,信号为正弦信号添加高斯白噪声(It is used to denoise the modulus maximum of wavelet transform, and the signal is sinusoidal signal, adding Gauss white noise.)
d2wt_test
- 用多层小波变换模极大值法对图像进行边缘检测(Edge detection using wavelet transform modulus maxima method)
Lipschitz指数和模极大值
- 本程序主要用于求解信号小波变换后,信号奇异点处的李氏指数和模极大值,对信号的断点进行定量的描述,可用于信号故障诊断。(This program is mainly used to solve the Lie index and the modulus maxima at the signal singular point after signal wavelet transform, and quantitatively describe the breakpoint of the signal
小波分析模极大值法
- 对信号波形进行小波变换并分解,提取模极大值,最后进行信号重构。(Wavelet transform and decompose the signal waveform, extract the maximum value of the modulus, and finally reconstruct the signal.)
小波降噪
- 小波降噪的方法有多种,如利用小波分解与重构的方法滤波降噪、利用小波变换模极大值的方法去噪、利用信号小波变换后空域相关性进行信噪分离、非线性小波阈值方法去噪、平移不变量小波降噪法,以及多小波降噪等等。归结起来主要有三类:模极大值检测法、阈值降噪法和屏蔽(相关)降噪法。其中最常用的就是阈值法去噪,其基本思想就是利用图像小波分解后,各个子带图像的不同特性选取不同的阈值,从而达到较好的降噪目的