Visual Basic 自动化系统监控源代码 第四章

来电显示例程，以后不用花钱了，可以给初学者一个练手机会了-CND routines do not have to spend money later, and can give beginners a practice will be a mobile phone

一个TCP/IP的服务器端，但是增加了列表显示以及对客户端标示管理！-A TCP/IP server program with list display and client management

在OFDM上使用QPSK的仿真程序。有做理论分析的可参考-OFDM used in the simulation program QPSK. Theoretical analysis is done of reference

RS-485通訊Port,採用modbus - ASCII protocol,應用在Renesas R8C MCU Message Handle has 5 process, TXD, RXD, IDLE,Read Data, and Set Function process Uart _interrupt() is receive data from rS-485 bus

自己写的网络通讯系统-himself wrote the network communications system

1.目录TCP.IP终端程序源代码是一个实现一个TCP.UDP终端的程序，通过该终端可以实现POP3、SMTP、FTP等各种功能； 2.目录超级链接是一个能够在窗体上实现超级链接的程序，或者发送email； 3.目录端口扫描是一个能够对指定IP地址的单个端口或者多个端口进行扫描的程序； 4.目录获得本机ip地址的MFC程序是一个通过MFC来获取本地计算机IP地址的程序。 5.目录获取网络设置，网卡信息是一个获取网络DNS、子网掩码、网卡地址的综合程序，6.EnumProtocal目录是获取系统支持的网络协议信息的程序。-1. Contents TCP.IP terminal program source code is a realization of a TCP.UDP terminal procedures, the terminal can be achieved POP3, SMTP, FTP and other functions; 2. Directory is a hyperlink to achieve in the form of hyperlinks procedures, or send email; 3. directory is a port scan to be able to specify the IP addresses of individual ports or multiple port scanning procedures; 4. access to the directory for ip address MFC process is an MFC to obtain through local computer IP address procedures. 5. Directory access network configuration, network card, access to information is a DNS network, subnet mask, Ethernet addresses the comprehensive procedures 6.EnumProtocal directory access system to support the network protocol inform

本讲义详细介绍了ＳＮＭＰ协议的内容，给出了一些报文的具体格式，是不错的学习资料-the overhead of SNMP detail the contents of the agreement, gives some of the specific message format, was a good learning materials

较好的串口编程类- Better string mouth programming class

OFDM系统，有（2，1，7）卷积码编码，分组交织，viterbi译码-OFDM system, there are (2,1,7) convolutional code encoding, packet intertwined, viterbi decoding

RC低通滤波器参数计算，可以方便地计算时间常数，衰减倍数等。-RC low-pass filter parameters, you can easily calculate the time constant, in multiples, such as attenuation.