QFSK调制和解调，以C的主程序，编译写…

本文介绍了CDMA2000 1XEV-DO网络协议标准包括EV-DO的关键技术以及系统性能-This paper introduces CDMA2000 1XEV-DO network protocol standards, including EV-DO technology, as well as the key to system performance

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.

可以收发短信的D-can send and receive text messages D

USB接口，CH375芯片读写U盘的部分程序段。 检测U盘是否正常工作。-USB interface chip CH375 U disk read and write the part of the process. Detection U-normal work.

EMBEDDED VC++ PDA 上运行的COM口通讯程序含原码.自己写的.PC上运行不了-EMBEDDED VC PDA running on the COM port communication procedures with the original code. Wrote it myself. PC can run

用simulink工具对OFDM进行仿真。BPSK作为例子，其它的可修改-Simulink tools used to simulate OFDM. BPSK as an example, the other may be amended

MRCP V2版协议，MRCP2.0主要将RTSP协议修改为SIP协议-MRCP V2 version of the agreement, MRCP2.0 mainly RTSP protocol amending the agreement for the SIP

是一个方便简单的聊天程序，可以在局域网内运行-convenience is a simple chat program can be run on LAN

一个关于语音电话的程序- About pronunciation telephone procedure

资源描述com原理与应用书及源码，网上大都不全这是比较完整的-Theory and Application of com books and source code, on-line most of which is a more complete incomplete