QAM星座图的原理和应用 QAM星座图的原理和应用

路由选择和算法-and routing algorithm .............................

产生OFDM信号,能量是100watts，2048 个载波，512个cycle prefix-generate an OFDM signal

对JAVA安全机制的研究---消息摘要加密方法-right JAVA security mechanism of news-- Abstract encryption methods

从一个朋友那里弄来的交通信息查询系统！很好用的！-from a friend there obtained traffic information inquiry system! The good!

引入PEG（Progressive-edge-growth）算法来构造适合线性时间编码的LDPC校验矩阵，译码时采用简化最小和Min-Sum译码算法实现简化译码．仿真结果表明，该方法能够构造适合LDPC码的线性时间编码的下三角校验矩阵日，并且用此方法构造的LDPC码性能非常接近原来PEG算法构造的LDPC码．同时通过采用最小和Min-Sum算法降低译码复杂度．-The introduction of PEG (Progressive-edge-growth) algorithm to construct suitable for linear time encoding of LDPC check matrix, decoding simplified when the smallest and the Min-Sum decoding algorithm decoding simplified. Simulation results show that this method can construct LDPC codes suitable for linear time encoding on lower triangular calibration matrix, and constructed using this method the performance of LDPC code is very close to the original PEG algorithm constructed LDPC codes. At the same time through the use of the smallest and the Min-Sum decoding algorithm to reduce complexity.

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此文档是介绍孤子在饱和介质中传输的matlab仿真过程，孤子仿真网上有很多文章，可是均不带源码，恰巧本人编了些就都传上了，希望对各位有用。-Introduction This document is at saturation soliton transmission medium matlab simulation process, there is a lot of soliton simulation online article, but not with source code, I made something happen on both a mass on the hope that useful to you.

Clonal Selection-Theory-and-CLONALG-The-Clonal-Selection-Classification-Algorithm

此文件夹包含PDF版的书以及书中的一些源代码。 这些源代码 包含了书里第二章、第四章、第五章、第六章、第七章、第八章、第九章中的一些源代码。 在源代码的基础上 我们可以仿真得出我们想要的结果，也可以在源代码的基础上，自行研究得出新的结果。

此程序参照了IEEE 802.11a ，使用了52个子载波。理论期望papr为52.但是由加扰器的存在，所有子载波很难一直的调制-Per the IEEE 802.11a specifications, we 52 have used subcarriers. Given so, the theoretical maximum expected PAPR is 52 (around 17dB). However, thanks to the scrambler, all the subcarriers in an OFDM symbol being equally modulated is unlikely.