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Arnold图像置乱Matlab代码
％％ -------------------------------------------------------------------- ％％
％ Function: Arnold图像置乱
％ Arnold: x =(x+y) mod N, y =(x+2y) mod N
％ 变换周期(N,M): (128,96),(256,192),(512,384)
％ Argument: dPSNR: 置乱后PSNR
％ outIm
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Arnold置乱变换的matlab代码，函数形式，做数字水印经常用到。-Arnold scrambling transform matlab code, functional form, so often used in digital watermarking.
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Arnold置乱算法代码,能根据Arnold映射实验二维图像的像素坐标置乱加密-Arnold scrambling algorithm code, according to Arnold experimental two-dimensional image map coordinates of the pixel scrambling encryption
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lte中下行信号经过加扰、调制、层映射、预编码以及资源映射中的关于调制的QPSK的MATLAB代码-lte in the downlink signal through the scrambling, modulation, layer mapping, coding and mapping resources on the MATLAB code for QPSK modulation
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用Arnold矩阵变换进行图像置乱的加密算法及其源代码-By Arnold transform the matrix of image scrambling encryption algorithm and its source code
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信息隐藏中Hibert置乱的MATLAB代码-Hibert information hidden in the MATLAB Scrambling code
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文件中的函数可以用来产生扰码，通过形成几个序列后映射的方法，实现扰码的形成。-File function can be used to generate scrambling code sequence through the formation of several post-mapping method to achieve the formation of scrambling code.
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这是个人在工作中的一个小的matlab源码。包含了水印过程中一些常用的步骤，从置乱技术、水印的嵌入、水印性能测试。对于做水印初入门的人有一定的借鉴意义-This is the work of individuals in a small matlab source code. Contains the watermarking process, some common steps, from the scrambling technology, watermark embedding, wate
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图像处理，RS编码，纠错码这个单元对每个扰码后的传输数据帧,包括同
步字节进行截短的RS(204,188)编码.RS编码时,
在信息位前添加51字节的“0”再进入RS(255,239)
编码器,编码后再截去这些字节.RS(255,239)编码
-Image processing, RS coding, error correction code for each scrambling code of this unit after the transmission of data
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armold 变换是数字图像置乱中常用的一种方法。本文给出了armold 变换的matlab源代码，以方便大家的使用。-armold digital image scrambling transformation is commonly used methods. In this paper, armold transform matlab source code to facilitate everyone' s use.
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此代码是基于DCT的数字水印MATLAB编程，包括水印的置乱和反置乱，嵌入以及提取水印四个部分-This code is based on digital watermark DCT MATLAB programming, including the watermark scrambling scrambling and anti-, four-part watermark embedding and extraction
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根据3GPP25.141协议生成测试模式下的WCDMA系统基站测试数据格式，使用MATLAB产生业务信道。包括pn9序列生成、OVSF码、扰码、调制、扩频以及各码道的功率值加权叠加。-Agreement under 3GPP25.141 generate test mode WCDMA base station test data format, using the MATLAB generate traffic channel. Including pn9 sequence generatio
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LTE的扰码产生序列，这个是matlab代码，十分详细。-LTE scrambling the sequence, this is the matlab code, very detailed.
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arnold置乱与反置乱源代码，程序完整，可直接在matlab欲行，也可直接调用函数，所选二值图像为方阵-arnold scrambling and anti-scrambling the source code, the integrity of the process, like the line directly in matlab, can also directly call the function, the selected binary image for the square
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MPSK的matlab仿真中复扰码的生成函数-MPSK matlab simulation of complex scrambling code generating function
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基于DCT数字水印算法的Matlab实现源代码,1. 将文字水印和图像水印转换为二值序列水印；
2. 对水印进行置乱，提高其安全性；
3. 选择合适大小的块，给出DCT域中频分块编码方案；-DCT-based digital watermarking algorithm Matlab source code, a text watermark and image watermark converted into a binary sequence watermark .. 2 wa
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基于仿射变换的数字图象置乱技术 MATLAB源程序代码-Affine transformation based on digital image scrambling technology MATLAB source code
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LTE系统的matlab调制与编码，比特扰码，turbo编码等-Matlab, modulation and encoding of LTE system, encoding turbo bit scrambling system, etc.
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lte中下行信号经过加扰、调制、层映射、预编码以及资源映射中的关于调制的QPSK的MATLAB代码(The downstream signal in lte is the MATLAB code of QPSK in the modulation of the modulating QPSK in the process of scrambling, modulation, layer mapping, precoding, and resource mapping)
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通过置乱对图像进行加密的matlab源代码(Matlab source code encrypted by scrambling.)
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