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LDPC已经成为现在很流行的FEC码，这是一篇讲述QC-LDPC编码的经典论文，作者是IEEE终身会员林舒，对目前常用的QC-LDPC编码作了详尽的描述-LDPC has become very popular now FEC code, this is a QC-LDPC code on a classic paper, the author is IEEE Life Member LIN Shu, on the current commonly used QC-LDPC coding detailed description of

PIC18F4550与RFM42无线模块之间的通信；

butterworth滤波器，实现高通低通带通的butterworth滤波器

mail box，模拟其它邮箱管理类工具，进行邮件管理的，可作为撰写邮件客户端软件的示例代码。-mail box, mailbox management class simulation tools for others to carry out e-mail management can be used as writing e-mail client software, sample code.

使用ntp（network time protocol）协议从网络时间服务器获取时间并显示出来-use the network time protocol get network time from some ntp server,and print

将串口编程技术和ODBC技术相结合,实现串口数据实时在数据源文件中的存放和读取.-The serial programming technology and ODBC technology, to achieve real-time serial data source file in the data storage and reading.

tc35i MOBILE phone CIRCUIT tc35i MOBILE phone CIRCUIT -tc35i MOBILE phone CIRCUITtc35i MOBILE phone CIRCUITtc35i MOBILE phone CIRCUITtc35i MOBILE phone CIRCUIT

使用双线性变化法设计的切比雪夫II型低通滤波器的语音信号处理matlab源程序，课设参考必备！！

Please read your package and describe it at least 40 bytes in English. System will automatically delete the directory of debug and release, so please do not put files on these two directory

最简单的VC编写的OPC客户端程序，本程序为OPC异步远程分布式型传输。-The simplest VC prepared OPC client program, the procedures for the OPC-based transmission of asynchronous remote distributed.