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psk8_fast_ff_nda_symbol_sync_fast_ff_nda_phase_sy
its about modulation scheme basic details
- 2012-04-24 20:59:52下载
- 积分:1
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06310047
Quantitative Image Recovery From Measured Blind
Backscattered Data Using a Globally
Convergent Inverse Method
- 2013-07-09 10:01:04下载
- 积分:1
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xiao_qiu
理论力学-小球与弹簧块matlab模拟(xqythk.m xqythkfun.m ) (Theoretical Mechanics- small ball and spring block matlab simulation (xqythk.m xqythkfun.m))
- 2009-12-27 08:59:02下载
- 积分:1
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adaptive--filter--noise-
这是一自适应噪声消除的matlab程序 算法使用的是NLMS 里面含有截取的噪声 有仿真图(This is an adaptive noise cancellation matlab program NLMS algorithm is used which contains a simulation of the interception of the noise figure)
- 2011-09-09 20:42:23下载
- 积分:1
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hw1_multimedia
this .m file describes how to use EAQUAL encoder and other encoders ..
- 2012-11-17 19:23:54下载
- 积分:1
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AR-BT-MUSIC
白噪声下的线谱估计算法仿真,包括周期图法、AR模型法、MUSIC算法等。(Line under the white noise spectrum estimation algorithm simulation, including the cycle diagram method, AR model method, MUSIC algorithm.)
- 2015-04-07 16:22:36下载
- 积分:1
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CS-for-underwater-acoustics-master
压缩感知是目前比较火的一个领域 分享一段学习过程中发现的程序 matlab语言(CS-for-underwater-acoustics-master)
- 2019-07-09 09:26:48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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matlab-yichuansuanf
遗传算法的matlab程序 很适合 出现遗传算法的人使用(Genetic algorithm matlab program is suitable for people who use the genetic algorithm)
- 2011-08-30 22:44:30下载
- 积分:1
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HarrisMatlab
harris角点检测的matlab源码,毕业设计用的,保证好使(harris corner detection matlab source, graduating ensure so that)
- 2013-11-24 17:21:29下载
- 积分:1