-
DBT
雷达信号处理、或阵列信号处理中能够用上的重要的matlab工具箱——阵列信号处理工具箱(Radar signal processing, or array signal processing can be important to use matlab toolbox- array signal processing toolbox)
- 2008-08-01 08:43:12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
-
chengxu
不错的在机械工程中应用的源程序，根据转轴等参数计算时长等一系列数值(Good in mechanical engineering applications, source code, according to parameters such as shaft length and a series of numerical calculations)
- 2009-12-08 11:26:15下载
- 积分：1
-
hd
说明： matlab 图像灰度化代码，小波边缘检测(matlab image gray-oriented code, wavelet edge detection)
- 2009-08-26 11:09:02下载
- 积分：1
-
generate_synthetic_brain_dataxx
Generate synthetic fMRI data
- 2013-01-05 04:08:46下载
- 积分：1
-
GetDomainName2
Get full domain name of windows workstation
- 2014-10-10 12:45:41下载
- 积分：1
-
prony
The Prony method of finding AR MA ARMA model coefficients
- 2011-11-15 00:11:20下载
- 积分：1
-
psk_16_awgn_rs
A Matlab-Simulink Model (.mdl) for implementing the psk(phase shift keying)-16 ary in AWGN Channel using RS (reed-solomon) en_Coder/decoder
- 2013-05-15 09:31:15下载
- 积分：1
-
资源分配算法的OFDM仿真算法 ALLOCATION
关于资源分配算法的OFDM仿真算法，在无线通信领域的。(An OFDM simulation algorithm for resource allocation algorithms in the field of wireless communications.)
- 2020-11-27 19:59:31下载
- 积分：1
-
sjgz
利用随机共振进行信号检测，本程序主要针对单频信号利用4节龙哥库塔实现共振检测(Stochastic resonance signal is detected, the program focused on the use of single-frequency signal section 4 Long Ge Kuta achieve resonance detection)
- 2020-07-02 22:20:01下载
- 积分：1
