-
resolution.tar
matlab code or seismic segy reading
- 2009-12-14 05:00:02下载
- 积分:1
-
snr_mnm
空间普估计之mnm算法随着信噪比变化如何变化的(Algorithm estimates mnm space with general changes in how the SNR changes)
- 2011-09-13 10:14:01下载
- 积分:1
-
modulation
其中给出了多种调制方式的调制及解调程序,对初学者有一定帮助。(Which gives a wide range of modulation of the modulation and demodulation process, has a certain extent, help for beginners.)
- 2007-08-22 08:55:50下载
- 积分:1
-
matlab11
基于matlab来描述静电场的分布,基于matlab描述电偶极子的分布。(Matlab-based to describe the distribution of electrostatic field, matlab-based description of the distribution of electric dipole.)
- 2009-05-23 10:48:58下载
- 积分:1
-
scfdma
说明: LTE中单载波频分复用,是学习SC-FDMA很好的例子,matlab编的(In LTE single carrier frequency division multiplexing, is the study of SC- FDMA good example, matlab plait)
- 2011-04-17 16:21:17下载
- 积分:1
-
matx_processor
matlab矩阵处理例程。A matrix processor, Matx_Proc() is developed which can be used
to process and edit matrices and state space models, and perform
various kind of matrix analysis in a visible way. (Matlab matrix handling routines. A matrix processor, Matx_Proc () is developed which can be used to pr workflow and edit matrices and state space models, and perform various kind of matrix analysis in a visible way.)
- 2006-07-17 22:44:31下载
- 积分:1
-
octree-based-codes
该程序介绍了有关八叉树编码的基本编程知识,对于初级学者易懂易学。(This program introduces the octree encoding basic programming knowledge, which ishelpful for junior scholars to understand.)
- 2014-10-21 19:19:45下载
- 积分:1
-
fusionimage123456
常用的图像融合评价指标,包括熵,交叉熵等等,分享一下,欢迎下载(calculate the entropy of information of fusion image)
- 2013-11-11 10:40:12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
-
fastfadingnew
Simulation of power calculation in fast fading channels
- 2010-11-19 00:36:23下载
- 积分:1