介绍交换机的设计原理，以及在设计中需要注意的地方，本文主要是一个基础新的介绍。...

Xinlinx的UART参考设计-Xinlinx UART reference design

一个VB控制并口的通讯的源代码,显示如何用VB控制并口通讯-a VB control of the parameter of source code, and show how VB control Parallel Communications

16位CRC校验的源程序，修改过，可直接调用-16-bit CRC checksum of the source, modified, can be directly invoked

串口通讯 串口通讯 支持指令存储-Serial communications serial communications support for command storage

目前的智能机在硬件上多采用双cpu的架构，一个是基带处理器，主要处理数字信号、语音信号的编码解码以及GSM通信协议，另一个是应用处理器，运行操作系统和各种应用程序。基带处理器、射频和其它外围芯片作为一个模块，成为GSM/GPRS modem，提供AT命令接口。网络的应用已经是一个需求的热点，而目前的GSM模块大多都能支持GPRS功能。应用处理器通过AT命令集与带GPRS功能的无线通讯模块通信，为实现网络的应用提供了一个最底层的支持。 -Intelligent machines in the current hardware on many dual-cpu architecture of a baseband processor are mainly deal with digital signals, voice signals, and GSM codecs communication protocol, and the other is the application processor, operating system and applications running procedures. Baseband processor, radio frequency and other peripheral chips, as a module, as a GSM/GPRS modem, provided by AT command interface. Application of network needs is a hot spot, and most of the current GSM module can support GPRS function. Application processor through the AT command set and functionality with GPRS wireless communication module, in order to achieve the application of the network provides a bottom support.

帮同学做的毕业设计中用到的IIR,2阶,截止频率等参数均可以任意设置-Help of graduate students to do the design used in the IIR, 2 bands, parameters such as cut-off frequency can be arbitrarily set

jake接收机的MATLAB的实现程序， 这个程序主要实现JAKE接受机-the programme of jake receiver with matlab, be completed with jake receiver

配置J2ME手机软件开发环境 j2me开发环境的安装和配置，方法和指南 视频教程-Configure the J2ME development environment for j2me cell phone software installation and configuration of development environment, methods and guidelines for video tutorials

VB 通讯编程方面的例子程序： 获取主机 MAC 地址-communications VB Programming of examples : MAC address access to the mainframe

P2P之UDP穿透NAT的原理与实现(附源代码).htm-P2P之UDP NAT htm