ADPCM 4:1 coder and decoder

matlab实现QPSK调制,分别给出了相位选择法和I Q两路正交调制相加发实现QPSK调制，给出了QPSK调制后的功率谱密度。

一个电力系统方面的LFP通讯规约文档。包含了遥测遥信遥控方面通讯的帧格式-the LFP communications Statute documents. Includes remote telemetry remote area communications frame format

QPSk的仿真程序，包括AWGN信道和瑞利信道波形以及星座图-QPSk simulation procedures, including the AWGN channel and Rayleigh channel waveforms as well as the constellation diagram

这是modbus的应用。觉得这讲的很清楚，希望对大家有所帮助。-This is Modbus applications. Think it said very clearly that we want to be helpful.

iic 接口程序，主从控制，可切换的，VHDL 代码，该代码接口定义清晰，使用方便，只需要例化顶层模块，就完成该代码的硬件集成，希望对做硬件的朋友有帮助

Cosem Identification System and Interface Classes

how to set up a pptp vpn connection? detailed steps with screen-shots

DELPHI 7 做的串口监控程序。软件简洁无按键，通过全局热键控制软件。可发字符。可调节窗口字体大小（ALT+箭头）。可存LOG文件。快捷键打开、新建LOG文件。

基于S3C2410A矩阵键盘扫描程序，GPIO及EINT-Based on S3C2410A matrix keyboard scanner, GPIO and EINT

ModSecurity is a web application firewall (WAF). With over 70% of attacks now carried out over the web application level, organisations need all the help they can get in making their systems secure. WAFs are deployed to establish an increased external security layer to detect and/or prevent attacks before they reach web applications. ModSecurity provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring and real-time analysis with little or no changes to existing infrastructure.