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decomposition
运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。
hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks
wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可
[C,L] = wavedec(x_noise,dl,wn);
x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang Transform)
% imf = emd(x)
% Func : findpeaks)
- 2021-04-13 22:28:55下载
- 积分:1
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wavlet_APES_MUSIC_LMS
小波分析用于图像融合和去噪;APES,MUSIC,LMS算法仿真实例;(Wavelet analysis is used to image fusion and noise;APES,MUSIC,LMS
)
- 2012-03-28 11:08:00下载
- 积分:1
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Multi_Wavelet
说明: 多小波代码,有CL,GHM,Sa4,Opt-rec四种多小波的变换与反变化,前处理和后处理的代码。(Multiwavelet code, there are CL, GHM, Sa4, Opt-rec four Multiwavelet Transform and anti-change, pre-treatment and post-processing code.)
- 2021-04-28 11:38:44下载
- 积分:1
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quaternion-wavelet-transform
四元数小波变换。对图像进行四元数小波域变换,并根据变换后得到的四个部分进行幅度相位分析。(Quaternion wavelet transform.Including image analysis via quaternion wavelet domain,such as one magnitude and three angles.)
- 2021-01-18 07:38:43下载
- 积分:1
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图像对比度拉伸源代码
说明: 基于vc++6.0 的图像对比度拉伸操作(vc 6.0 on the image contrast stretching operation)
- 2005-12-05 09:46:10下载
- 积分:1
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wavelet-transform
实现小波变换,小波滤波器,小波除噪等功能。(To achieve wavelet transform, wavelet filters, wavelet denoising function)
- 2012-05-04 11:46:34下载
- 积分:1
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wavelet
利用小波分析原理对某信号进行分解与重构,并可提取指定层数上的高、低频信号。(A signal is decomposed and reconstructed by using wavelet analysis principle, and high and low frequency signals can be extracted from the specified number of layers.)
- 2018-06-09 20:37:34下载
- 积分:1
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2D Fast Wavelet Transform
Fast Wavelet Transform
- 2018-08-01 13:44:37下载
- 积分:1
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Matlabwavelet
第二代小波变换,包含常见的小波基函数和算例(The second generation wavelet transform contains the common wavelet basis functions and examples)
- 2017-03-28 09:59:22下载
- 积分:1
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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)
- 2010-09-20 09:24:10下载
- 积分:1