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jingtongLP
多井过程中的井筒计算,以及注采过程中的相关参数(Multi-well process wellbore calculations, and injection process parameters)
- 2013-11-06 00:14:54下载
- 积分:1
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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
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GUIHD
递归函数调用,使用switch case语句实现切换编程回调结构。(Recursive function calls, switch case statement switch programming callback structure.)
- 2013-01-28 21:29:17下载
- 积分:1
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MyGenetic-Binary
Binary optimaization algorithm
- 2014-11-04 04:36:01下载
- 积分:1
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pplane6
this program can plot phase plane linear and nonlinear system
- 2014-11-23 15:53:17下载
- 积分:1
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Burg
自己编写的现代谱估计方法中的Burg算法,并和MATLAB中的函数pburg函数进行对比,两个函数性能相当,便于大家学习掌握这个算法。(Modern spectral estimation methods have written Burg algorithm, and MATLAB functions pburg function comparison, the performance of the two functions is quite near to make you master this algorithm easily.)
- 2021-04-23 17:08:48下载
- 积分:1
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haibing
采用加权网络中节点强度和权重都是幂率分布的模型,分析了该信号的时域、频域、倒谱,循环谱等,粒子图像分割及匹配均为自行编制的子例程。( Using weighted model nodes in the network strength and weight are power law distribution, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Particle image segmentation and matching subroutines themselves are prepared.)
- 2016-10-19 22:42:11下载
- 积分:1
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spech
about spech processing
- 2011-01-26 20:00:56下载
- 积分:1
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stroke-width
说明: 根据签名骨架和二值签名,提取了签名图像的笔划宽度直方图。(extracte the stroke width historgram of signature images)
- 2011-03-23 01:25:11下载
- 积分:1
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ekfslam_v2.0
利用MATLAB建立扩展卡尔曼滤波器进行扫描滤波(using MATLAB establishment extended Kalman filter for filtering scanning)
- 2006-06-20 17:51:34下载
- 积分:1