GDI 图形处理

设载波频率为20Hz，信息速率为2Baud,用MatLab画出QPSK信号波形。-Carrier frequency set to 20Hz, the information rate of 2Baud, using MatLab draw QPSK signal waveform.

这是用BCB 编写的HID测试程序，自动检测HID设备-It is written with the BCB test program HID, HID auto-detection equipment

串口通信的实现 -serial communications to achieve!

Labview code that implements serial comunication with a microcontroller

posic多线程编程学习笔记整理，包含了线程的基础知识，多线程解决方法：信号灯，互斥量，条件变量，共享内存；内容详细-multi-threaded programming posic finishing study notes, including a basic knowledge of threads, multi-threaded solution: traffic lights, the volume of mutually exclusive condition variables, shared memory detailed

两台PC电脑间数据的通讯,这是主发送端的VC源码-Data between two PC computer communication, which is the main transmitter of the VC-source

lms算法的matlab仿真,LMS自适应滤波器性能分析-a matlab simulation of lms

C++ Builder 编的采用API函数多串口通讯源码,系本人在开发门禁控制器管理软件时曾编过的,希望对有这方面的要求的朋友有帮助-C++ Builder made the adoption of multi-function serial communications API source code, the Department of I in the development of Access Controller management software had been made, and they hope to have this requirement has to help a friend

安全域名系统（DNS）动态更新

CMPP3.0协议源码下载,实现pc短信收发。-download chinamobile Cmpp3.0 protocle suite source code. it can send or receive sms on PC.