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li5-39
先进行提升小波变换,然后使用提升小波进行图像的分解和重构(Be carried out on lifting wavelet transform, and then use the images to enhance the wavelet decomposition and reconstruction)
- 2020-07-20 11:58:47下载
- 积分:1
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elec
本程序应用小波变换进行电力系统的在线监测。电力系统在线监测中的检测信号含有大量的背景噪声,不便于检测。应用小波变换解决这一问题。程序中应用db3小波对信号进行5层分解,并得出了各层的细节信号与逼近信号。(This procedure based on wavelet transform power-line monitoring system. Online monitoring of power system test signal contains a lot of background noise, not easy to detect. Application of wavelet transform to resolve this problem. Application procedures for db3 wavelet signal decomposition layer 5, and arrive at different levels of detail signal and approximation signal.)
- 2008-06-04 17:59:19下载
- 积分:1
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liftwaveletpack
提升小波包学习资料,对了解学习提升小波包,研究算法的改进很有帮助(Lifting wavelet package learning materials, learning to enhance the understanding of wavelet packet of helpful Algorithm)
- 2010-10-21 21:34:13下载
- 积分:1
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Wavelet_FORTRAN
用Fortran编写的小波变换用小程序,可实现简单的小波分析功能(Written in Fortran with a small application of wavelet transform, wavelet analysis can be simple functions)
- 2011-07-18 22:11:27下载
- 积分:1
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xiaobo
基于小波变换的信号去噪技术,简单的一维小波去噪程序(Signal de-noising based on wavelet transform technique, a simple one-dimensional wavelet denoising procedure)
- 2014-02-24 12:55:42下载
- 积分:1
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Wavelet-packet-process
小波包分解和重构的过程,在齿轮箱中的应用(Wavelet packet decomposition and reconstruction of the signal in the application of matlab, and energy, frequency
)
- 2013-01-09 09:01:17下载
- 积分:1
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wavelet-matlab
说明: 基于小波变换的图像融合源代码,利用的融合规则分别使用简单的模值取大和基于区域能量。(Image fusion based on wavelet transform source code, the use of fusion rule modulus were obtained using a simple large and region-based energy.)
- 2021-05-09 01:38:35下载
- 积分:1
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wrcoef-upcoef
一维小波单支重构函数,一维小波系数直接重构函数(Single one-dimensional reconstruction of wavelet functions, the direct reconstruction of one-dimensional wavelet function)
- 2011-08-31 10:29:19下载
- 积分:1
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Lipschitz
对于非平稳信号,小波多尺度分解师一种有效的信号去噪方法,在小波去噪方法的基础上,提出了基于Lipschitz指数的小波阈值去噪方法(For non-stationary signals, signal de-noising of wavelet multi-scale decomposition ' is an effective method, wavelet denoising method based on proposed wavelet thresholding denoising method based on the Lipschitz exponent)
- 2012-11-02 10:25:47下载
- 积分:1
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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