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dwt-matLab-marking
提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人
部分# 首先对宿主图像进行小波分解
、
嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印
信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余
弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。(Proposed based on wavelet transform algorithm can be against geometric attacks.# Watermark embedded in the first part of the host image wavelet decomposition, embedded watermark, and then through the cosine transform of the watermarked image obtained by a feature vector, using the feature vector and the watermark information through 1231 to generate a binary logic function series, the sequence as the key/watermark extraction part is# treated transform measured image, and then obtained through the cosine transform the image of a feature vector under test, using the feature vector and the key function by 1241 to extract the watermark .)
- 2011-05-15 23:25:27下载
- 积分:1
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fir_l.m
FIR Low pass filter simulation using matlab
- 2011-08-20 01:24:14下载
- 积分:1
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V_C
仿真模型为Buck变换器,采用电压电流双闭环控制,输出电压稳定,无超调,鲁棒性好(Buck transformer)
- 2020-07-04 11:20:01下载
- 积分:1
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.zip
说明: OFDM同步算法关于OFDM同步算法的代码,其中包括基于循环前缀的最大似然估计算法,基于训练序列的同步算法估计,以及训练序列的改进同步算法等等(The code of OFDM synchronization algorithm, including maximum likelihood estimation algorithm based on cyclic prefix, synchronization algorithm estimation based on training sequence, and improved synchronization algorithm of training sequence, etc)
- 2020-04-30 23:46:10下载
- 积分:1
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2FSK
2FSK 的调制与解调 实现误码率图 MATLAB(2FSK realize the modulation and demodulation BER MATLAB Figure)
- 2008-05-22 21:22:02下载
- 积分:1
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no_diversity.m
点对点mimo的仿真程序。其中包括无分集方式,1*2的分集和1*4的分集。仿真图和alomouti原文献的图一样。(Point mimo simulation program. Including non-diversity mode, 1* 2 1* 4 sub-sets and a sub-set. Simulation map and alomouti as the original plan documents.)
- 2010-05-06 23:23:27下载
- 积分:1
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PV_System_MPPT_Grid
光伏并网的MATLAB模型,实现MPPT和光伏模型(MATLAB model of PV and net realized and photovoltaic MPPT model)
- 2015-07-18 11:41:26下载
- 积分:1
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ply_display
斯坦福ply格式文件读取显示程序,用matlab写的,测试可用(Stanford ply format file to read the display program, written with matlab, the test can be used)
- 2013-01-04 22:35:40下载
- 积分:1
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CuttingForce_etc
This upload files are composed of 5 examples.
1. Static force simulation for flat endmill
2. Dynamic force simulation for flat endmill
3. Optimisation problem
4. One dimensional wave simulation of a string
5. Stability lobe diagram for milling
- 2014-09-12 16:09:32下载
- 积分:1
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Directional-patterns
This MATLAB M-file will produce the FDTD solution
of a sectoral (2-D) Perfectly Electric Conducting
(PEC) horn antenna excited by a sinusoidal voltage
in a TEz computational domain.(This MATLAB M-file will produce the FDTD solution of a sectoral (2-D) Perfectly Electric Conducting (PEC) horn antenna excited by a sinusoidal voltage in a TEz computational domain.)
- 2013-11-24 23:30:57下载
- 积分:1