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fskTA
时间混叠算法进行循环谱估计，信号为fsk(ta，fsk)
- 2020-06-29 13:40:02下载
- 积分：1
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MATLABshejiyuyingyong
MATLAB编程，又从函数使用到复杂程序的源代码，涵盖MATLAB所有基础知识(MATLAB programming, and from the function used to complex program' s source code, covering all the basics of MATLAB)
- 2009-11-15 11:07:38下载
- 积分：1
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matlab
matlab 数值优化遗传算法程序，大家都看看嘛。(matlab genetic algorithm numerical optimization procedures, we all look at them.)
- 2009-05-02 15:00:31下载
- 积分：1
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元胞自动机模型中的BJH模型
元胞自动机模型中的BJH模型，用于模拟仿真交通流现象(Cellular automata model BJH model for simulation of traffic flow phenomena)
- 2013-11-16 16:54:43下载
- 积分：1
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MDR_4fsk
该文件是DMR应用中的4fsk调制解调过程的模拟和仿真过程(This file is the application of 4fsk DMR process of modulation and demodulation process of modeling and simulation)
- 2011-06-11 16:00:37下载
- 积分：1
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fengjimoxing
说明： 风机的数学模型，通过公式搭建风机的数学模型matlab程序，很实用。(The mathematical model of the fan, through the formula to build the mathematical model of the fan matlab program, is very practical.)
- 2020-11-30 15:49:27下载
- 积分：1
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SMI_main
采用SMI算法的零陷波束形成器，有详细的注解，可更改参数(SMI algorithm using Null Beamformer, detailed comments, can change the parameters)
- 2009-06-02 15:21:51下载
- 积分：1
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Advanced-algorithms
在本讲义中，我们将着重讲述一些数学建模中常用的算法，包括神经网络算法、遗传算法、模拟退火算法和模糊数学方法。(In this lecture, we will focus on talk about some commonly used mathematical modeling algorithms, including neural networks, genetic algorithm, simulated annealing algorithm and fuzzy mathematics.)
- 2011-05-11 16:54:59下载
- 积分：1
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xianshi
使用matlab编写的有关于显示图片并且能旋转的相关内容(Written about the use of matlab display pictures and can rotate related content)
- 2015-04-21 11:13:55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
