English papers including SS7 Signaling System presentation and system compositio...

A secure Intrusion detection system opnet guide

（基于H.323协议族）voip综述及常用算法实现。-(Based on the H.323 protocol suite) voip Summary and commonly used algorithm.

an insight for learning wireless system, enjoy!

vc++编写的串口检测程序开发-vc prepared by the serial Detection Program Development

串口调试助手源码，内含串口调试助手使用文档，详细开发过程文档，可以根据文档一步步开发出串口调试程序，对于串口的理解和串口编程有很大的帮助。

ASN.1编解码的JAVA实现，很有参考价值，JAVA，ASN.1-ASN.1 codec JAVA realize valuable, JAVA, ASN.1

基于模糊逻辑控制的数字锁相环，用于通信系统中的载波恢复。Digital phase lock loop base on fuzzy logical control, which is used to recover carrier in communication system.-Based on fuzzy logic control of digital phase-locked loop for the communication system in carrier recovery. Digital phase lock loop base on fuzzy logical control, which is used to recover carrier in communication system.

ＰＩＮＧ程序源码有记录路由功能ＰＩＮＧ程序源码有记录路由功能-PING procedures recorded source routing procedures PING record source routing

RAS高级编程是一个RAS拨号程序高级开发，通过该程序不经能够实现电话拨号功能，还能实现如adsl、网通等拨号功能，还能够监控modem或者网卡的网络流量，绝对是一个值得读者学习的程序。-RAS is a high-level programming RAS Dial-up procedures advanced development, and the program can be achieved without a telephone dial-up function can be realized as adsl, Netcom, and other dial-up function, but also to monitor the modem or Ethernet network traffic is definitely a worthy readers learning process.

Datasheet GSM/GPRS wireless for Motorola-Datasheet GSM/GPRS wireless for Motorola