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Algoritmo_Pan_Tompkins
Pan-Tompkins algorithm in Matlab for ECG signal analysis.
- 2011-01-17 22:14:20下载
- 积分：1
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math
这是数学专业的数学建模的课程设计，很有用啊，希望大家踊跃下载啊(This is the mathematical modeling mathematics curriculum design, very useful, ah, ah hope you actively download)
- 2011-05-03 16:44:18下载
- 积分：1
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MATLAB 三轴加速度信号处理
对三轴加速度出传感器的原始数据进行处理，平滑噪声，傅里叶fft(The raw data of the three-axis acceleration sensor is processed, smoothing the noise)
- 2020-11-20 14:29:36下载
- 积分：1
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li9_23
clear all
I=imread( lena.bmp )
figure imshow(I)
I2=imrotate(I,-4, bilinear ) 逆时针旋转4度
figure imshow(I2)
I3=fliplr(I) 垂直镜像
figure imshow(I3)
I4=imresize(I,0.5, bilinear ) 缩小为原图的1/2
figure imshow(I4)
A=double(I) 转换为double类型
计算7个不变矩
[nc,nr]=size(A)
[x,y]=meshgrid(1:nr,1:nc) 得到网格
x=x(:)
y=y(:)
A=A(:)
m.m00=sum(A)
if m.m00==0
m.m00=eps
end
m.m10=sum(x.*A)
m.m01=sum(y.*A)
计算均值
xmean=m.m10/m.m00
ymean=m.m01/m.m00
计算中心矩(li9_23.rar
cm.cm00=m.m00
cm.cm02=(sum((y-ymean).^2.*A))/(m.m00^2)
cm.cm03=(sum((y-ymean).^3.*A))/(m.m00^2.5)
cm.cm11=(sum((x-xmean).*(y-ymean).*A))/(m.m00^2)
cm.cm12=(sum((x-xmean).*(y-ymean).^2.*A))/(m.m00^2.5)
cm.cm20=(sum((x-xmean).^2.*A))/(m.m00^2)
cm.cm21=(sum((x-xmean).^2.*(y-ymean).*A))/(m.m00^2.5)
cm.cm30=(sum((x-xmean).^3.*A))/(m.m00^2.5)
im(1)=cm.cm20+cm.cm02
im(2)=(cm.cm20-cm.cm02)^2+4*cm.cm11^2
im(3)=(cm.cm30-3*cm.cm12)^2+(3*cm.cm21-cm.cm03)^2
im(4)=(cm.cm30+cm.cm12)^2+(cm.cm21+cm.cm03)^2
im(5)=(cm.cm30-3*cm.cm12)*(cm.cm30+cm.cm12)...
*((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)...
+(3*cm.cm21-cm.cm03)*(cm.cm21+cm.cm03)...
+(3*(cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)
im(6)=(cm.cm20-cm.cm02)*((cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)...
+4*cm.cm11*(cm.cm30+cm.cm12)*(cm.cm21+cm.cm03)
im(7)=(3*cm.cm21-cm.cm03)*(cm.cm30+cm.cm12)...
*((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)...
+(3*cm.cm12-cm.cm30)*(cm.cm21+cm.cm03)...
*()
- 2010-10-17 21:53:14下载
- 积分：1
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Colortransform
是matlab写的Reinhard的颜色传输算法代码(Reinhard color transfer algorithm code matlab write)
- 2013-04-03 10:09:21下载
- 积分：1
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color-histogram-based-image-system
要求设计一个基于颜色直方图的图像检索系统。该系统能够实现对图像的检索功能，例如，在一万幅图像中搜索出与检索图像相似的图像，依相似程度的大小显示出来。最后用查全率和查准率对系统进行评估。(To design a color histogram based image retrieval system. The system can realize the image search function, for example, a square image search and retrieval of an image similar to the image size according to the degree of similarity is displayed. Finally, recall and precision to evaluate the system.)
- 2013-12-20 11:05:21下载
- 积分：1
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force-optimization-matlab
土木工程领域。matlab斜拉桥有限元调索程序。二维，线性结构。可以输入结构模型参数。包含三种方法：可行域法，弯矩能量最小法，零弯矩法。(Civil engineering fields. transfer cable stayed bridge matlab finite element program. Two-dimensional, linear structure. Structural model parameters can be entered. Contains three methods: feasible domain method, the minimum bending energy, zero moment method.)
- 2013-12-22 09:54:00下载
- 积分：1
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danbite
用matlab生成一个伪随机序列，并用国家密码管理局发布的随机性检测规范中的三种算法对它进行随机性检测(Generates a pseudo-random sequence with matlab, and released by the State Encryption Administration randomness test specification make it three algorithms randomness test)
- 2015-04-16 15:07:18下载
- 积分：1
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新建文件夹
该程序可以实现对于信号的时域参数提取以及信号的包络分析(The program can realize time domain parameter extraction of signals and envelope analysis of signals)
- 2019-01-23 17:10:01下载
- 积分：1
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von_3D
建立vonkarman自相关函数的随机介质程序(A random medium program for establishing vonkarman auto correlation function)
- 2021-01-28 17:38:35下载
- 积分：1
