-
digital_modulation
基于MATLAB的几种数字调制仿真,包括2ASK、4ASK,2PSK,4PSK,QAM等调制方式。结合GUI图形表示出来。内含两个文件,一个是digital_modulation.fig图形文件,另一个是digital_modulation.m源码文件。(digital_modulation)
- 2009-05-20 16:58:40下载
- 积分:1
-
acotspwenti
此蚁群算法专门用于求解tsp问题,优化效率和鲁棒性都非常好。(this ant colony algorithm tsp devoted to solving problems, and optimize the efficiency and robustness are very good.)
- 2007-04-02 12:33:17下载
- 积分:1
-
Demo_Zernike_Moment
3d model processing about
- 2013-05-05 19:39:47下载
- 积分:1
-
dct
M=512 原图像长度
N=64
K=8
I=zeros(M,M)
J=zeros(N,N)
BLOCK=zeros(K,K)
显示原图像
I=imread( f:ceshiyuanshitu.bmp )
figure
imshow(I)
xlabel( 原始图像 )
显示水印图像
J=imread( f:ceshilogistic_nuaa64.bmp )
figure
imshow(J)
xlabel( 水印图像 )
嵌入水印
tem=1
for p=1:N
for q=1:N
x=(p-1)*K+1
y=(q-1)*K+1
BLOCK=I(x:x+K-1,y:y+K-1)
BLOCK=dct2(BLOCK)
if J(p,q)==0
a=-1
else
a=1
end
BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01)
BLOCK=idct2(BLOCK)
I(x:x+K-1,y:y+K-1)=BLOCK
end
end
显示嵌入水印后的图像
figure
imshow(I)
xlabel( 嵌入水印后的图像 )
imwrite(I, f:ceshiembedded.bmp )
- 2010-06-13 18:43:39下载
- 积分:1
-
yw_qam
SIMULINK实现QAM,来自韩国一本教材。(SIMULINK realize QAM, a teaching materials from South Korea.)
- 2008-05-17 15:18:33下载
- 积分:1
-
20081113151842
说明: 离散信号时域分析的MATLAB实现
熟悉MATLAB编程方法、常用语句和可视化绘图技术(Time domain analysis of discrete signals MATLAB implementation familiar with MATLAB programming, common expressions and visual graphics)
- 2011-04-06 15:52:15下载
- 积分:1
-
simu_fuzzy_control
模糊控制pid用于模糊算法 用在智能pid方面的 机器人方面的(fuzzy pid)
- 2013-04-24 22:16:45下载
- 积分:1
-
xunhuanjuanji
说明: 高斯函数与fp之间进行高斯卷积,然后再反馈回来(Gauss convolution between Gauss function and FP, and then feedback back)
- 2019-12-25 14:54:00下载
- 积分:1
-
ver08
Tool for data mining
- 2010-08-21 22:41:07下载
- 积分:1
-
xitongbianshi
系统辨识教材,个人认为很不错,希望对大家有用!(The system identification teaching material, I believe is very good, hoped that is useful to everybody!)
- 2010-11-20 09:14:08下载
- 积分:1