VB写的通过串口与考勤机连接通讯的程序

vb编写的自动更新程序，可用来定期检查更新。(vb prepared by the automatic update program can be used to periodically check for updates)

信道基本特性的仿真程序，包括小尺度衰落信道（频率选择性信道和时间选择性信道）的仿真，分集接收及误码率的仿真。(Channel basic characteristics of the simulation program. including small-scale fading channel (frequency selective channel and time-selective channel) simulation, Diversity reception and BER simulation.)

华为GTM900AT命令手册，对开发GPRS具有指导意义(Huawei GTM900 AT command manual，It has a guiding significance to develop GPRS )

无线手机使用的集成式功放器/淤波器前端The use of wireless mobile devices, integrated power amplifier / silt-wave front-end(The use of wireless mobile devices, integrated power amplifier/silt-wave front-end)

带语音识别的SIP-HMP程序, 可以实现ASR和TTS(sip hmp asr tts demo)

实现使用music算法进行频率估计，并绘图(Achieve the use of music algorithm for frequency estimation, and graphics)

Modbus for Field Technicians 介绍modbus的相当好的资料，包括原理和编程和协议介绍(Modbus for Field Technicians introduction modbus fairly good information, including schematics and programming and protocol description)

zigbee的一些基础知识，引脚及其相关协议等(basic zigbee )

MODBUS RTU using Attiny44 from Atmel

说明：  一个opc客户端开发包，可以快速开发基于opc的客户端程序，此开发包需要授权(a client development kits, can be rapidly developed based on the client Oligomeric Proanthocyanidins procedures, this development kits need to empower)