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Dctlab
DCT base watermarking
- 2010-08-11 17:06:25下载
- 积分：1
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decomp_reconst_WU
Decompose image into subbands (undecimated wavelet), denoise, and recompose again.
fh = decomp_reconst_wavelet(im,Nsc,daub_order,block,noise,parent,covariance,optim,sig)
im : image
Nsc: Number of scales
daub_order: Order of the daubechie fucntion used (must be even).
block: size of neighborhood within each undecimated subband.
noise: image having the same autocorrelation as the noise (e.g., a delta, for white noise)
parent: are we including the coefficient at the central location at the next coarser scale?
covariance: are we considering covariance or just variance?
optim: for choosing between BLS-GSM (optim = 1) and MAP-GSM (optim = 0)
sig: standard deviation (scalar for uniform noise or matrix for spatially varying noise)
Javier Portilla, Univ. de Granada, 3/03
Revised: 11/04
- 2010-08-14 20:29:11下载
- 积分：1
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Buck
Design for buck converter
- 2014-08-08 10:47:09下载
- 积分：1
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delete_row
当文件的某一行存在某一个字符串时，就删除该文件的那一行，并适应于多文件的批量处理。(When a file on a row exists a string, delete the line of the file, batch processing and is suitable for multiple file.)
- 2015-01-09 09:54:26下载
- 积分：1
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upcm
μ律PCM编码，小信号放大，大信号缩小，非均匀量化实现的一种方式，实用。(μ-law PCM coding, small signal amplification, large signal narrow, one way to achieve a non-uniform quantization, and practical.)
- 2013-11-28 12:57:28下载
- 积分：1
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cx806
小波包分析提取振动信号中的特征频率，使用拉亚普诺夫指数的公式，AHP层次分析法计算判断矩阵的最大特征值。( Wavelet packet analysis to extract vibration signal characteristic frequency, Raya Punuo Fu index using the formula, Calculate the maximum eigenvalue judgment matrix of AHP.)
- 2017-06-01 17:13:17下载
- 积分：1
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FDTD-UPML
有限时域差分源程序，边界条件为各向异性完全匹配层（Upml）(FDTD source, boundary conditions for the anisotropic perfectly matched layer (Upml))
- 2020-06-30 03:20:01下载
- 积分：1
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nn_pid
使用pid方法控制单级倒立摆，解压后把两个文件放在同一个文件夹里双击nn_pid.m就行了(Pid way to control the use of single-stage inverted pendulum, after extracting the two files in one folder double-click on the list nn_pid.m)
- 2008-01-04 00:48:31下载
- 积分：1
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renzhiwuxiandian
这个程序在认知无线电中的频谱计算方法，是一种经典的计算方法，十分好用。(The program in cognitive radio spectrum is obtained by a classical method of calculation is very easy to use.)
- 2010-11-12 11:08:23下载
- 积分：1
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Principal-component-analysis
matlab 主成分分析，内含数据和程序源码。很好的数学建模资料(Principal component analysis
)
- 2012-06-17 17:01:42下载
- 积分：1
