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  • This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseud

    This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder).

    标签: LDPC introduction simulation software

    上传时间: 2014-12-05

    上传用户:change0329

  • This file contains a C++Builder 4 project called SimplyChaos-X ver 3.1 (SCX31). SCX31 is an encry

    This file contains a C++Builder 4 project called SimplyChaos-X ver 3.1 (SCX31). SCX31 is an encryption tool. I designed it as my graduation paper work. SCX31 is a symmetric stream cipher built on chaos function, one time pad cipher and inspiration from Ground Effect (aviation). The key length can be up to 40 characters (320 bits).

    标签: SimplyChaos-X SCX contains Builder

    上传时间: 2016-06-07

    上传用户:nanshan

  • 用C编程实现对26个字母用于电报打字的优先权进行编程

    用C编程实现对26个字母用于电报打字的优先权进行编程,生成哈夫曼数,并可实现对某一语句的编码,译码。本文举例此语句为:this program is my favorite.

    标签: 编程实现 字母 电报 编程

    上传时间: 2013-12-23

    上传用户:qq21508895

  • MT: windows NT/2000/XP command line tape manipulation written to format a tape windows-XP backup r

    MT: windows NT/2000/XP command line tape manipulation written to format a tape windows-XP backup refused to write or format... and satisfy my curiosity Can be used for crude data recovery (combine seek and read)

    标签: tape manipulation windows-XP windows

    上传时间: 2013-12-23

    上传用户:tb_6877751

  • jsp blog系统 说明: 1

    jsp blog系统 说明: 1,使用前,请先打开db.java修改其中的数据库信息,然后用你的jdk编译后放入WEB-INF\classes\dbpac\下。将所有文件上传到服务器,然后运行install.html建立数据库。安装完毕后,请手动删除install.html和install.jsp 2, 如果是unix服务器,请设置config.php,db.php,links.php,skinlist.php的文件权限设置为777 3, 打开js目录下的my.js,根据自己的需要修改即可。 4,打开javamail.jsp,将 "邮件服务器登录用户名"," 邮件服务器登录密码","发送人邮件地址","接受人邮件地址",替换成自己的信息。(邮件服务器最好为163的邮箱,否则有些邮箱可能不支持。推荐 接受人邮件地址为您的QQ邮箱地址,这样方便。注意 发送人邮件地址必须和您的邮件服务器用户名匹配。)

    标签: blog jsp

    上传时间: 2013-12-15

    上传用户:lhw888

  • 哈夫曼树很易求出给定字符集及其概率(或频度)分布的最优前缀码。哈夫曼编码正是一种应用广泛且非常有效的数据压缩技术。该技术一般可将数据文件压缩掉20%至90%

    哈夫曼树很易求出给定字符集及其概率(或频度)分布的最优前缀码。哈夫曼编码正是一种应用广泛且非常有效的数据压缩技术。该技术一般可将数据文件压缩掉20%至90%,其压缩效率取决于被压缩文件的特征。 利用哈夫曼编码进行通信可以大大提高信道利用率,缩短信息传输时,降低传输成本。但是,这要求在发送端通过一个编码系统对待传送电文须预先编码,在接收须将传送来的数据进行译码。请自行设计实现一个具有初始化、编码、译码、输入/输出等功能的哈夫曼码的编码/译码系统。并实现以下报文的编码和译码:“this program is my favorite”。

    标签: 数据 字符 分布

    上传时间: 2016-08-19

    上传用户:xyipie

  • 数据同步工具

    数据同步工具,可以对sybase 、access、oracle、my sql、sqlserver等数据库进行数互导数据,一个非常有用的数据同步工具

    标签: 数据同步

    上传时间: 2016-08-30

    上传用户:zhangjinzj

  • 流媒体的 测试报告 很有用

    流媒体的 测试报告 很有用,it is scream media plan and report of my projcet.

    标签: 流媒体 测试报告

    上传时间: 2014-12-22

    上传用户:alan-ee

  • 是《linux设备驱动》RD2,的中文版

    是《linux设备驱动》RD2,的中文版,本书是告诉一个新手,如何开发Linux驱动,本书是根据E文翻译过来的,适合搞嵌入式行业而且英文不太好的朋友,如果英文nice,建议看《linux device drivers 3》,站里有,如果你在本站找不到,也可以发邮件给我,我发给你! my email: lifei4690277@yahoo.com.cn

    标签: linux RD 设备驱动

    上传时间: 2016-10-01

    上传用户:caozhizhi

  • ActiveX Data Objects Programming in C++ Description: ActiveX Data Objects Programming How To: Hey,

    ActiveX Data Objects Programming in C++ Description: ActiveX Data Objects Programming How To: Hey, this is some kind of an experiment in writing tutorials in PSC. All of my articles are in .html files included in the zip file, together with the sample code

    标签: Programming ActiveX Objects Data

    上传时间: 2013-12-22

    上传用户:水口鸿胜电器