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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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pq_pcasvm
使用小波能量差提取信号,PCA降维,SVM对电能质量扰动分类。(Extract the signal using the wavelet energy difference between the PCA dimensionality reduction, SVM classification of power quality disturbances.)
- 2012-07-23 09:48:05下载
- 积分:1
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ridge
本人自己编写的小波变换脊提取程序,可用与信号分析.欢迎指导.(I have written wavelet transform ridge extraction procedures, can be used with the signal analysis. Welcomed the guidance.)
- 2021-01-05 17:18:53下载
- 积分:1
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labview-wavelet-analysis-help-file
在labview中进行小波分析程序设计,内容最全、最好的文件,参照本文件可以直接一步步编写小波分析程序,适合初学者。(The labview wavelet analysis program design, the most comprehensive, best file reference in this document can step directly
Step preparation of a wavelet analysis program for beginners.)
- 2012-02-08 09:10:43下载
- 积分:1
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线性褶积
说明: 可以将目标矩阵进行线性褶积运算,用于数字信号处理(The target matrix can be linearly convoluted for digital signal processing)
- 2020-03-17 14:20:01下载
- 积分:1
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the-implementation-of-the-SVD
svd算法的实现,用matlab实现SVD算法(the implementation of the SVD algorithm)
- 2021-03-10 09:49:26下载
- 积分:1
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yizhixijiexishu
对信号进行小波变换,抑制系数小波滤波,采用了硬阈值滤波方法(right signal wavelet transform, wavelet filter coefficients inhibit use of the hard threshold filtering method)
- 2006-10-19 16:47:17下载
- 积分:1
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wave-move
描述电磁波(电场或磁场)在自由空间传播的Matlab程序。(Description of electromagnetic waves (electric or magnetic) in free-space propagation of Matlab procedures.)
- 2020-11-03 09:39:52下载
- 积分:1
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dtcwt
双树复小波程序,具有平移不变心,改进了小波变换(The DTCWT program with shift-invariant heart improve wavelet transform)
- 2013-04-24 14:39:28下载
- 积分:1
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CMU-CS
很好的ica算法,计算ica时候用到,很好参考价值,卡内基学院用的程序(Good ica algorithm to calculate ica when used, a good reference value, the Carnegie Institute program)
- 2012-11-02 19:11:53下载
- 积分:1