VC写的，一个用at命令编写的来电显示器,很有参考价值。

ACM_VOIP_VCL VOIP- ACM_VOIP_VCL VOIP

安防智能报警系统- Peacefully guards against the intelligence alarm system

一篇关于P2P 穿越NAT 的实用文章，采用TCP协议来进行穿越。-on a peer-to-peer NAT traversal of practical articles, using TCP for the crossing.

xt9702电力规范文档-xt9702 power specification documents

数据结构的课程设计，编程做一个手机通讯录！-Curriculum design, data structures, programming to make a cell phone address book!

sms设置GPRS接入点，WAP网关 C源程序源码-GPRS handsets installed access points, WAP Gateway source C source

Nokia 12 GSM module AT comamnd guide

基于VBLAST-OFDM的MATLAB SIMULATION，图形化界面，并且给出了各仿真图-VBLAST-OFDM based on the MATLAB SIMULATION, graphical interface, and gives the simulation of Figure

程控滤波器论文。实现了步进为10dB的0到60dB的可调增益。滤波器部分以可编程开关电容滤波器MAX262芯片为核心，实现了截止频率1KHZ-20KHZ步进1HZ可调的程控滤波器，各项误差低于5％。-Program-controlled filter papers. To realize a step from 0 to 60dB in 10dB of adjustable gain. Filter part of programmable switched capacitor filter MAX262 chip as the core, realize the cut-off frequency 1Hz step 1KHZ-20KHZ program adjustable filter, the error of less than 5.

设置矩形窗宽度等于256，获得矩形窗截断的离散时间信号，并得到其实部和虚部，最终获得在100Hz和200Hz模拟虚指数信号实部及其时域加窗截断离散时间信号的波形图，DFT、DTFT和FFT的幅度谱