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noise
说明: 如何使用同余法生成白噪声
如何使用白噪声通过3种不同的iir滤波器生成粉红噪声(How to use the same method to generate more than white noise white noise through the use of three kinds of different filter iir Pink Noise Generator)
- 2009-08-20 15:51:43下载
- 积分:1
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datafit
实现数据拟合,和多种方式的图形拟合与效果分析和统计检验(Data fitting, and a variety of ways graphical fitting and effect analysis and statistical tests)
- 2012-07-28 15:03:01下载
- 积分:1
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start_and_stop_gui
gui与simulink联合仿真实例代码start_and_stop_gui(program of start_and_stop_gui,GUI,Simulink.)
- 2011-12-22 17:19:02下载
- 积分:1
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book_total
Intuitive Probability and Random Processes using MATLAB by Steven M. Kay
- 2009-09-29 02:47:27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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quartile
QUARTILE REPERESENTATION OF OUTLIER DETECTION
- 2012-07-22 17:51:49下载
- 积分:1
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SISO_OFDM_DATA
a mathematical framework for the asymptotic analysis of this system in generic noise and interference and also we investigate the performance of cooperative relaying over fading channel for an LTE downlink session
- 2014-12-29 19:13:48下载
- 积分:1
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MATLAB
这是我在学matlab时的一个例子,我感觉是入门的一个导师。(This is my students an example of when matlab, I feel is the entry of a mentor.)
- 2009-05-05 16:41:03下载
- 积分:1
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MATLAB-Image-changing
MATLAB图像变换源码,包括CWT、DCT、DFT和DWT。(Matlab image from source code, including cwt, dct, dft and dwt.)
- 2011-06-15 11:18:50下载
- 积分:1
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DEM-interpolation
基于matlab编写的数字高程模型DEM插值程序(a program for DEM interpolation)
- 2014-09-24 22:04:03下载
- 积分:1