Chinese RFC documents, without translation, the right to study very helpful!

本人改编的一个多载波OFDM的函数，利用它可以直接生成OFDM的BER。-I adapted a multi-carrier OFDM function, it can be directly generated OFDM BER.

Assignment of “Network Design and Traffic Engineering”

mc55-AT,2008-10-13,mc55_56 AT命令集 mc55_56 AT命令集 -mc55-AT ,2008-10-13, mc55_56 AT command set mc55_56 AT Command Set

Generates the filtered BPSK and plots the spectrum

fd_set参数：一个用于检查可读性（readfds），一个用于检查可写性（writefds），另一个用于例外数据（exceptfds）。从根本上说， fd_set数据类型代表着一系列特定套接字的集合-fd_set parameters : a check for readability (readfds) one could write a check for (writefds) Another exception for the data (exceptfds). Fundamentally speaking, fd_set data types represent the range of specific set of socket

使用tapi进行拨号并在两台机器间校对时间的程序-Program which uses tapi to dial and checks time difference between two machines

DOS程序如何读写Windows剪贴板才解决文件共享冲突问题-procedures how to read and write DOS Windows clipboard file-sharing to solve conflict

c8051f020 - c8051F020

用S7-200PLC的自由口模式和VB中的MSComm控件方便地实现了计算机与S7-200（CPU224）PLC的通讯。计算机作为主站,用户通过计算机可以方便地设置房间的控制指令并向PLC发出控制或监测命令， PLC作为从站来响应计算机发送的指令并采取相应的动作并将房间的电、水、热信息发回到计算机。用户可以通过电脑屏幕实时地监视到房间的电、水、热信息并进行相应的处理。-with S7-200PLC the Free Port Mode and the VB MSComm to realize a trap Computer and S7-200 (CPU224) PLC communications. Computer as a master station, Computer users can easily set up control rooms PLC issued directives to control or monitoring orders, PLC as from the station to respond to orders sent by the computer and take corresponding action will be room for electricity, water, Heat fat information to the computer. The user can screen real-time surveillance of the room electricity, water and heat information and handled accordingly.

本程序用到GPRS和RS485通信实现主机和从机之间的通信，送用的MCU为MSP430