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LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G)
-LDPC codes BER simulation under AWGN channel.
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Huffman and Shannon-Fano source coding
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计算香浓信息熵，方便快捷的matlab代码，可以简单直接调用-Calculated Shannon information entropy, convenient matlab code can be simple and direct calls
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This technique doesn t involve sorting of probabilities as in Shannon-Fano coding. The following formula is used to calculate F (x) which in turn generates the code
F (x) = F(x) + p(x) / 2,
where F(x) is cummulative sum of probabilities p(x).
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用MATLAB仿真，实现香农编码的仿真。得到香农码。-Using MATLAB simulation, the simulation codes to achieve Shannon. By Shannon code.
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信息论与编码的典型香农编码的Matlab源码-Typical information theory and coding Matlab source code Shannon
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matlab code for shannon source coding
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This MATLAB Code plot BER Vs Eb/No for M_ary PSK with different values of M. The user can choose the desired BER and the code will tell what is the required Eb/No to achieve this BER for different values of M. In addition, a plot for shannon limit is
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This MATLAB Code plot the BER Vs Eb/No for M_ary FSK for differnt values of M. The user can choose the desired BER and the code will tell what is the required Eb/No to achieve this BER for differnt values of M. In addition, a plot of the shannon limi
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香农费诺编码的matlab源代码，比较详细，可做参考-Shannon Fenno encoding matlab source code
Shannon Fenno encoding matlab source code
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介绍了 Shannon 和 Huffman 编码的基本原理及 MATLAB实现方法，给出了编码实例,并进行了分析比较。
-Shannon Huffman coding is introduced and the basic principle and MATLAB methods, gives code examples, and are analyzed and compared.
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Iterative Solutions is committed to the mission of developing accurate and efficient software for the simulation of modern communication systems. All software is licensed as open source software under the Lesser GPL. The code is designed to run in ma
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香农编码 采用matlab编程实现 的程序代码-Shannon coding using matlab programming code
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this matlab code for shannon hertley capacity theorem. it calculated and draw the error rate for MIMO channels-this is matlab code for shannon hertley capacity theorem. it calculated and draw the error rate for MIMO channels
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利用matlab读取一段英文文章，对该文章的字符进行香农编码。-Use matlab to read an English article, the characters of the article Shannon code.
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