检查串口是否联有modem

一个51的小实验，里面主要是为初学者入门编程和熟悉潜入式编程-A 51 small experiment, which is mainly for beginners entry into the programming and familiar with the programming

在matlab中调用c语音编写程序的方法，以一个dtmf检测程序为例-in Matlab Voice Calling c preparation procedures, to a testing program as an example Pages

一篇关于CORDIC的文章A survey of CORDIC algorithms for FPGA based computers-CORDIC an article on the article A survey of CORDIC algorithms for FPGA based computers

TCP-IP技术大全-TCP-IP technology Daquan

用VC 6.0实现串行通信的三种方法 本文介绍了在Windows平台下串行通信的实现机制，讨论了根据不同的条件用 Visual C++ 设计串行通信程序的三种方法，并结合实际，实现对温度数据的接收监控。 -VC 6.0 of the three serial communication method is introduced in the Windows platform to achieve the serial communication mechanism discussed under different conditions using Visual C serial communication program design of the three methods, and the light of reality, the temperature monitoring data reception.

对中继接口一号信令进行解析，并转换为TCP/IP接口。-right on the 1st signaling relay interface for the analysis, and conversion to the TCP/IP interface.

vc 下的双音多频（DTMF）接收器的使用源程序-vc under the dual tone multi-frequency (DTMF) receiver using the source

With using noisy data and created data, soft and hard decision are made by viterbi decoder

是路由器的分组和画图，有图形显示，对于初学者有很大帮助~-router is the grouping and drawing, graphics, but for beginners to be of much help

Wireless Sensor Network SEcurity demo