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chaohundunfenchak
超混沌系统的分岔图求解，内容详细易懂，可读性好(Hyperchaotic system to solve the bifurcation diagram, detailed easy to understand and readable)
- 2010-06-15 14:25:06下载
- 积分：1
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Text1
c++产生高斯白噪声，可用于通信或信号传输系统中，白噪声产生的程序调用(c++ generated Gaussian white noise, can be used for communication or signal transmission system, the white noise generated by the procedure call)
- 2008-04-19 22:34:34下载
- 积分：1
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WiMAX_Forum_Mobile_System_Profile_v1_5_0
WiMAX Forum Mobile System Profile
Release 1.0 Approved Specification
(Revision 1.5.0: 2007-11-17)
- 2010-10-13 20:25:19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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quxian
多正弦曲线条件叠加，生成各种曲线，值得参考(Conditions of multi-sinusoid superimposed to generate a variety of curves, it is also useful)
- 2009-05-29 10:29:08下载
- 积分：1
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Matlabshixi
这是我在学校的一个matlab作业，是编写一个GUI界面，实现打开图像，绘制灰度直方图，进行边缘检测等功能。(This is my school a matlab job is to write a GUI interface to achieve open the image, draw histogram, edge detection and other functions.)
- 2014-12-04 18:51:59下载
- 积分：1
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signal
将混合有白噪声的两个信号的频率提取出来，适合初学matlab的使用(Will be mixed with white noise, the frequency of two signals is extracted, the use of matlab for beginners)
- 2010-09-04 11:05:13下载
- 积分：1
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Matlabgold
Gold序列是基于m序列优选对产生的，是由两个长度相同、速率相同、但码字不同的m序列优选对模2加后得到的，一对长度为N的m序列优选对可以产生N＋2条Gold码。(Gold sequence is based on the optimization of m sequences generated by both the length of the same, the same rate, but different m codeword sequence optimization of mode 2 increases obtained, a pair of length N of the m sequence optimization can generate N 2 Article Gold code.)
- 2008-02-26 10:13:14下载
- 积分：1
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1
说明： 汽车防抱死系统（以下简称ABS）对于缩短汽车的制动距离、增加汽车制动时的方向稳定性、减少汽车制动过程中的侧滑以及提高汽车制动时的安全性具有非常重要的意义。(Automotive anti-lock braking system (hereinafter referred to as ABS) to reduce the car' s braking distance, the increase in vehicle directional stability when braking, reduce vehicle skidding during braking and to improve the safety of vehicle braking is very important significance.)
- 2010-12-11 17:22:08下载
- 积分：1
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A2
说明： Function files in MATLAB for the calculation of strains and stresses for a lamina with a given arbitrary fiber orientation and given values of material data in the principal material directions.
- 2011-01-27 07:09:35下载
- 积分：1
