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guidaofenix
利用Matlab软件编写的轨道不平顺数据分析程序能够对轨检车测得的不平顺数据进行处理,得到功率谱密度分布函数.轨道不平顺分析程序包括轨道不平顺数据预处理、轨道不平顺谱分布函数计算以及根据实测的车体振动加速度,对轨道不平顺与车体振动加速度进行相干分析、提出对行车运行有不利影响的不平顺波长范围等.研究结果表明:车辆的动力特性与轨道不平顺有密切关系.高低不平顺对车体垂向振动影响显著,轨向不平顺对车体水平振动影响显著,水平不平顺对列车垂向、横向振动均有显著影响.(Matlab software written track irregularity data analysis program able to track inspection car irregularity measured data are processed to obtain the power spectral density function. Track Irregularities track irregularity analysis procedures including data preprocessing, track irregularity spectrum distribution function calculations, and based on the measured vibration acceleration of the vehicle, with the body of track irregularity acceleration coherent analysis, have an adverse impact on traffic running irregularity wavelength range, etc. the results show that: the dynamic characteristics of the vehicle and the track irregularity closely related. rough along the vertical vibration of the vehicle significantly, rail irregularity vibration to levels significantly affect the body, the level of irregularity to train the vertical and horizontal vibration significantly affected.)
- 2014-01-19 16:41:57下载
- 积分：1
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HuffmanandShannon-Fanosourcecoding
Huffman and Shannon-Fano source coding
- 2010-01-02 04:35:05下载
- 积分：1
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ChebyshevExpansionLegendreExpansion
Chebyshev和Legendre展开(Chebyshev and Legendre expansion)
- 2011-08-22 15:00:04下载
- 积分：1
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print
Basic program to print a text or a character for the basic learners..
- 2013-12-06 15:46:43下载
- 积分：1
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moving_average
Moving average in 1D and 2D
- 2006-09-20 23:31:04下载
- 积分：1
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1
说明： matlab使用垂直Sobel算子，自动选择阈值
[VSFAT Threshold]=edge(f, sobel , vertical )
边缘探测
figure,imshow(f),title( 原始图像 ),
显示原始图像
figure,imshow(VSFAT),title( 垂直图像边缘检测 )
显示边缘探测图像
使用水平和垂直Sobel算子，自动选择阈值
SFST=edge(f, sobel ,2)
figure,imshow(SFST),title( 水平和垂直图像边缘检测 )
显示边缘探测图像
使用指定45度角
Sobel算子滤波器，指定阈值
s45=[-2 -1 0 -1 0 1 0 1 2]
SFST45=imfilter(f,s45, replicate )
SFST45=SFST45>=2
figure,imshow(SFST45),title( 45度角图像边缘检测 )
显示边缘探测图像
(matlab I=rgb2gray(I0)
J0=double(I) [VSFAT Threshold]=edge(f, sobel , vertical ) figure,imshow(f),title figure,imshow(VSFAT),title)
- 2013-12-18 15:42:14下载
- 积分：1
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singleneuraladaptivecontrol
采用有监督学习的hebb规则实现权值学习的学习，给出实际例子，单神经元自适应控制器.(Weight is realized by using supervised learning hebb rule of learning, gives a practical example, the single neuron adaptive controller.)
- 2016-12-21 15:58:18下载
- 积分：1
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Chapter2
现代通信系统（实用MATLAB)第二章程序(Modern communication systems (useful MATLAB) Chapter II procedure)
- 2009-05-22 08:43:57下载
- 积分：1
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laplacian_eigen
Laplacian Eigenmaps [10] uses spectral techniques to perform dimensionality reduction. This technique relies on the basic assumption that the data lies in a low dimensional manifold in a high dimensional space.[11] This algorithm cannot embed out of sample points, but techniques based on Reproducing kernel Hilbert space regularization exist for adding this capability.[12] Such techniques can be applied to other nonlinear dimensionality reduction algorithms as well.
- 2011-01-23 02:17:08下载
- 积分：1
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Shan-Chen-in-3D
flow in porous media by lbm 3d
- 2012-04-30 07:53:02下载
- 积分：1
