Facebook 聊天系统

简单的OFDM系统仿真，有干扰和无干扰基于BPSK编码的OFDM系统-err

vc编写的socket编程，实现发送和接信息的程序，

嵌入式linux的web服务器，可以运行于arm、x86平台，用c语言来写的，调用了libcgi库来实现，主要功能就是实现一个学生成绩管理系统，可以注册、登录、录入成绩、删除成绩，查询成绩、退出等功能，数据都是存放在一个linux下的嵌入式数据库sqlite中的。-Embedded linux of web servers, can run in the arm, x86 platform, use c language to write, call the library to libcgi realize, the main feature is the realization of a student achievement management system that can register, login, recording results, delete results, query results from the other functions, the data are stored in a database embedded under linux in sqlite.

无线收发模块NRF2401datasheet-Wireless transceiver modules NRF2401datasheet

PPPoE通讯协议,用时作嵌入式时,挺有用的-PPPoE protocol, used for embedded when quite used

Source Code in C language for microcontrollers of 51 family to implement serial communications based on RS-485 protocol.

基于TCP协议的socket套接口编程小程序，可以在两个进程（一个客户端，一个服务器）之间收发内容，使用了epoll方式I/O复用，内容简洁易懂，是初步学习套接口编程及epoll复用的绝佳例程。

This paper will discuss the design of an asynchronous FIFO,Asynchronous FIFOs are widely used in the computer networking industry to receive data at a particular frequency and transmit them at another frequency. An asynchronous FIFO has two different clocks: one for read and one for write.-Asynchrinous FIFO design

WALSH CODES AND THEIR DERIVATIVES - INTRODUCTION - WALSH FUNCTIONS DEFINITION AND PROPERTIES - WALSH FUNCTION GENERATING - WALSH FUNCTIONS USED WITHIN THE IS-95 SYSTEM - WALSH FUNCTIONS USED WITHIN THE CDMA2000 SYSTEM

可以修改Nokia手机的logo图标的程序-A program to modify the logo of NOKIA mobile phone