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PVD-stego

于 2010-07-05 发布文件大小:3KB

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下载积分: 1 下载次数: 239

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matlab实现PVD方法和基于模函数PVD的方法，自己写的，图像隐写的研究内容(matlab implementation PVD PVD method and the method based on mode function, write, and images of the contents of steganography)

文件列表：

PVD-stego
.........\iModulusPVD.m,481,2010-06-30
.........\isimplePVD.m,1004,2010-06-30
.........\ModulusPVD.m,1805,2010-07-04
.........\simplePVD.m,1378,2010-07-04

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2021-03-09 13:59:27下载

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STBC-K
Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to exploit the various received versions of the data to improve the reliability of data-transfer. The fact that the transmitted signal must traverse a potentially difficult environment with scattering, reflection, refraction and so on and may then be further corrupted by thermal noise in the receiver means that some of the received copies of the data will be better than others. This redundancy results in a higher chance of being able to use one or more of the received copies to correctly decode the received signal. In fact, space–time coding combines all the copies of the received signal in an optimal way to extract as much information from each of them as possible.

2011-02-03 12:00:05下载

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Matlab的积分内容，举例说明了积分的应用，还有怎么解决Matlab中内容复制到Word等时出现乱码的问题(Matlab integration content, illustrates the application of integration, as well as how to solve Matlab, copy the contents to Word and other problems when garbled)

2013-07-12 21:49:03下载

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用4种方法绘出螺旋曲线上升的动态效果 x=cos(t) y=sin(t) z=t(Plotted using four methods increased the dynamic effect of the spiral curve x = cos (t) y = sin (t) z = t)

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PVD-stego

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