" Computer Network" courseware " Computer Network" courseware...

展示了如何使用QSerialPort通过USB端口发送和接收数据，该程序用Qt C ++做的。实现异步数据接收和错误处理事件。

本程序实现局域网内的文件传输我有关消息的收发。 本程序仅供参考，不能用来当作交差-the procedures within the LAN file transfer me send and receive messages. This program is for reference only and should not be used as a perfunctory

A document about IrDA physical layer

射频卡读卡程序,射频IC卡识别技术，通常由载有密码的射频IC卡来代替传统的键盘密码。读卡模块读出密码后，即产生输出电信号，继而驱动执行机构动作，或将密码（如卡号）送给外围对接设备（如电脑或单片机等）。采用射频卡读卡模块及感应体构成的特定系统中，因射频卡内码信号唯一且不可复制，因此射频卡不仅杜绝了非法复制密码，还为各种控制采用信息化管理创造了条件。-RF card reader procedure, radio frequency identification technology IC cards, usually containing the password from the RF IC cards to replace the traditional keyboard password. Reader module read out a password, as a result, the output signal, and then drive the implementation agency action, or passwords (such as logging) gave the external docking equipment (such as computer or microcontroller, etc.). RF card reader module consisting of sensors and the specific system, RF signal code card but not the only copy, RF Card not only prevents illegal copying passwords, but also controls the use of information management to create the conditions.

数字滤波器设计,是有限冲击长响应的滤波器,希望各位高手指点-Digital filter design, is a finite impulse response filter length, hope that you instruct

《Delphi串口及语音传真高级编程》所附带光盘的源程序，网上不多见，可执行程序网上较多- "Delphi String Mouth And Pronunciation Facsimile High-level Programming" supplements the compact disc the source program, on-line not sees, but the executive routine on-line are more

Software Receiver Strategies for the Acquisition

一个电力系统方面的ISA通讯规约，包含了遥测遥信遥控等信息帧的格式-a power system ISA communications statute contains a remote control telemetry information such as frame format

dos命令宝典，低级格式化操作步骤，低级格式化和高级格式化区别，低级格式化代码-dos orders, the book vulgar formatting steps junior and senior formatted formatted distinction, low-level formatting code

基于Winsock API的VC网络编程指导文档,非常实用-Winsock API based on the VC network programming guidance document, very useful