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ASK_FSK_PSK
ASK, FSK, PSK matlab code for modulation
- 2013-11-29 07:51:07下载
- 积分：1
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NoMoR_LTE-A_Rel12_and_Beyond_2013-01
3GPP LTE-A Standardisation in
Release 12 and Beyond
- 2014-02-07 02:09:12下载
- 积分：1
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fashe-84
用matlab将弹道坐标系转换为WGS84中的直角坐标(Using matlab to convert ballistic WGS84 coordinate system of rectangular coordinates)
- 2009-04-14 21:13:12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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10.1.1.25.3645
Photonic crystal is discribed in this matlab code please notice that it does not compatible with any work you want to do,you may modify it to use.
- 2011-01-17 01:24:44下载
- 积分：1
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Matlab
说明： Matlab语言及其在电子信息工程中的应用(Matlab language and its use in electronic information engineering)
- 2009-08-20 21:54:54下载
- 积分：1
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Matlab
说明： Matlab函数逼近程序，包含下面所列多种算法的程序 。
Chebyshev 用切比雪夫多项式逼近已知函数
Legendre 用勒让德多项式逼近已知函数
Pade 用帕德形式的有理分式逼近已知函数
lmz 用列梅兹算法确定函数的最佳一致逼近多项式
ZJPF 求已知函数的最佳平方逼近多项式
FZZ 用傅立叶级数逼近已知的连续周期函数(Matlab function approximation process, including following the procedures set out in a variety of algorithms. Chebyshev Chebyshev polynomial with a known function approximation using Legendre Legendre polynomial approximation of known function with Pade Pade form of rational fraction approximation of known function listed lmz Metz algorithm used to determine the best uniform approximation function ZJPF order polynomial function of the best known square approximation by Fourier series FZZ polynomial approximation of continuous periodic function of known)
- 2020-11-27 11:09:31下载
- 积分：1
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xiayu
下雨的falsh源码，简单高效的程序。一学就会。(Rain falsh source, simple and efficient procedure.)
- 2014-08-06 21:22:09下载
- 积分：1
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fdtd2D
2-D FDTD code with simple radiation boundary conditions
- 2013-02-25 12:37:00下载
- 积分：1
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eq_inter
matlab源碼 可用來內差時間時程資料
例如原本時間間隔為0.01秒 內插生成0.001秒(matlab source code available to the time of the interpolation process data such as the original time interval of 0.01 seconds interpolation generated 0.001 seconds)
- 2013-02-27 23:01:59下载
- 积分：1
