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Bessel
Bessel低通滤波器特性幅频及相频特性分析及其阶跃响应和方波响应(Bessel low-pass filter characteristics of amplitude and phase frequency characteristics of frequency and step response and the square wave response)
- 2010-05-22 08:59:57下载
- 积分：1
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Binary-Genetic-Algorithm
A genetic algorithm (GA) is a search heuristic that mimics the process of natural selection.
- 2014-09-18 21:17:30下载
- 积分：1
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-PID-by-BG-PSO
基值於,細菌演算法,優化出最佳PID計算值(Based on the value, bacteria algorithm to optimize the calculation of the optimal PID values)
- 2014-12-22 16:09:49下载
- 积分：1
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matlab-study
matlab基础学习，适合入门以及提高，初学者必看，很好的一本书(Matlab-based learning, for entry-raising, beginners must, good book)
- 2012-10-20 21:26:12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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pruebaplot3
create random points in 3d
- 2010-10-22 02:24:34下载
- 积分：1
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SVM_lzb1p0
整个SVM工具包 全部软件及调用的dll问价，内附说明用法(SVM toolｂｏｘ
)
- 2010-05-09 15:11:02下载
- 积分：1
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math
讲了matlab数学建模的各种算法，非常实用，从简单的差值算法一直到神经网络，都有详细的介绍(Stresses the Matlab mathematical modeling of various algorithms, very practical, from the simple difference algorithm has been to the neural network, has a detailed description)
- 2013-03-06 00:22:07下载
- 积分：1
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FFT
基于matlab的语音回波抵消系统仿真设计中FFT转换部分程序(Voice echo cancellation system based on matlab simulation in the design of FFT transform part of the program
)
- 2013-05-05 12:39:10下载
- 积分：1
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tic5000demos
matlab ti5000系列DSP基于模型设计的例程，simlink+ccs+硬件直接可以生成C语言代码，在硬件中可以直接运行。(matlab ti5000 series DSP can generate C code model-based design routines, simulink+ ccs+ hardware, you can run directly in hardware.)
- 2016-03-19 10:53:04下载
- 积分：1
