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dual-tree
首先将非平稳的故障振动信号进行双树复小波包分解，得
到不同频带的分量；然后对每个分量求其峭度值和相关系数并进行比较；最后选取峭度值和相关系数较大的分量
进行软阈值降噪和双树复小波包重构，即可有效地消除振动信号中噪声的干扰，同时保留信号中的有效信息即实
现了故障特征信息的提取。(In view of the above situation, a new fault diagnosis
method is proposed based on dual-tree complex wavelet packet transform and threshold de-noising. Firstly, the
non-stationary fault signal is decomposed into several different frequency band components through dual-tree
complex wavelet packet decomposition. Secondly, Kurtosis and the cross-correlation coefficient of each
component are obtained and compared. Due to the kurtosis reflecting the signal variations, if the kurtosis value is
bigger, the degree of the change of signal is bigger too. The correlation coefficient can reflect the proximity
between the component and the original signal at the same time, the correlation coefficient is bigger, the more
similar with the original signal. Finally, the components that have a bigger value are chosen to be de-noised by a
soft threshold and reconstructed by dual-tree complex wavelet packet transform. The noise interference was
eliminated effectively, and the effective si)
- 2014-05-28 17:02:14下载
- 积分：1
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gravity
用重心法实现光斑中心定位，matlab程序(Facula Center Location by the Method of Center of Gravity)
- 2020-06-24 19:00:01下载
- 积分：1
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Geometrical-optics-for-DLP
有关投影的光学资料,针对DLP的几何光学(Information on the projection optics, geometrical optics for DLP)
- 2015-02-14 15:50:10下载
- 积分：1
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15883828freak
应用最新算法freak算法的一个图像配准代码 c++可实现(Apply the latest algorithm freak algorithm image registration codes c++ can achieve)
- 2015-11-20 09:34:55下载
- 积分：1
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pcnn otsu
Pcnn与otsu结合，自适应找出Pcnn点火次数！(It is pcnn base on OTSU,can stop the program adaptive.)
- 2015-09-19 10:21:53下载
- 积分：1
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bitmap_bit
VC++ 位图大PK程序，两幅BMP图像比较大小，希望能对大家有所帮助 (VC++ big PK bitmap program, comparing the size of two BMP images, hoping to be helpful)
- 2011-04-19 23:09:40下载
- 积分：1
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deformation_transfer_python_for_same_face
说明： 对三角网格进行驱动形变，使用Deformation transfer of Triangular Mesh算法(Driving Deformation of Triangular Mesh)
- 2020-06-16 15:20:02下载
- 积分：1
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3dCameracalition
这是一个相机标定程序，有数据检验，求出两个相机的投影矩阵，用于双目视觉(This is a camera calibration procedures, test data, obtained two camera projection matrix for the binocular vision)
- 2009-01-06 15:53:44下载
- 积分：1
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evaluate.rar
影像融合评价程序，计算标准偏差，平均梯度，相关系数，光谱扭曲度等融合指标。(Image fusion evaluation, calculation of standard deviation, average gradient, correlation coefficient, spectral distortions, such as integration targets.)
- 2009-03-03 20:35:24下载
- 积分：1
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denoise
说明： 采用自适应非局部降噪的算法对图像进行去噪处理，能够实现不同算法的降噪处理(Using adaptive non-local denoising algorithm to denoise image can achieve denoising processing of different algorithms.)
- 2019-06-06 20:16:16下载
- 积分：1
