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Rayleigh
移动通信系统中，Rayleigh衰落信道的matlab仿真(Mobile communication systems, Rayleigh fading channel matlab simulation)
- 2013-11-01 15:20:03下载
- 积分：1
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kMeansCluster
数据挖掘中k均值划分聚类算法。输入对象的数据集矩阵和簇的数量，使用欧拉距离计算对象之间的相拟度(K-means partitioning clustering algorithm in data mining. Input object data sets matrix and the number of clusters, using euler distance calculation。)
- 2013-05-04 10:18:56下载
- 积分：1
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NLMS
本例程为改进的LMS算法NLMS算法的MATLAB实现和其收敛性的验证程序(This routine is improved LMS algorithm NLMS algorithm in MATLAB and its convergence verification procedures)
- 2011-12-30 11:00:47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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myga
通用遗传算法模板，只需在各个部分改变变量就可以了(General genetic algorithm template, simply change the variable in the various parts can be a)
- 2011-06-06 03:08:02下载
- 积分：1
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MATLAB7.0
matlab7.0的教程资料的详细功能，学习资料。(matlab7.0 tutorial information function, learning information.)
- 2013-03-07 11:24:47下载
- 积分：1
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TwoCircleIntersection
两个圆求交点，得到交点坐标，程序简单易懂(The intersection of two circles seeking to obtain the coordinates of the intersection, the program is simple and easy to understand)
- 2013-12-05 16:03:52下载
- 积分：1
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mino
一个mimo系统的程序，其中包括注水定理的函数。(A mimo system procedures, including injection function theorem.)
- 2010-10-23 01:00:08下载
- 积分：1
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FAST-AUTOCORELATION
the fast autocorelation function matlab code, used for basicallly pitch extraction and thus is extremely useful
- 2013-10-21 20:40:55下载
- 积分：1
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Privvy
NoConnectionPendingException extends IllegalStateException.
- 2014-02-19 12:05:22下载
- 积分：1
