用Qbasic来读取FX系列PLC的IO得程序

为基带系统测试误码率而写的数字噪声程序，包括噪声产生程序和一个测试文件。可以分别产生两路噪声供I，Q两路使用，速率80Mbps左右。-System testing for the baseband BER digital noise written procedures, including noise generation process and a test file. Can generate two-way noise for I, Q two-way use, the rate of about 80Mbps.

J2ME 无线开发代码下载 -J2ME wireless download code

Delphi和C Builder的控件，在WINDOWS 95/98和WINDOWS NT/2000下提供串口通讯。可以与MODEM或其它与串口相连的设备进行通讯。通过多线程和覆盖来获得最佳性能。功能部分受限制。-Delphi and C Builder s control, in the WINDOWS 95/98 and WINDOWS NT/2000 provide serial communication. With MODEM or other connected with the serial communications equipment. Through multi-threaded and coverage to get the best performance. Features some restricted.

低通滤波器，低通滤波器 低通滤波器 -low-pass filter, Low-pass filter l ow-pass filter l ow-pass filter l ow-pass filter low-pass filter

双音多频的DTMF信号编码程序，产生DTMF信号进行编码。-DTMF DTMF signal coding procedures have DTMF signal coding.

利用vs.net2005平台和C# 语言编写蓝牙信息系统（包括蓝牙文件传输和蓝牙信息广播）需要微软蓝牙协议栈（MS Stack）的支持。下面就PC端如何安装微软蓝牙协议栈进行操作说明。-PC-side installation of Microsoft" s Bluetooth protocol stack

这是个点对点的交流工具，而且容许你在同一时间同步和一个人进行相互聊天和相互传输文件-This is a peer-to-peer communication tools, but at the same time allow you to synchronize and a person to chat with each other and transfer files

一个简单，健壮的，可扩展的winsock server框架-a simple, robust, scalable server framework winsock

串口通信封装动态库，调用的时候就不需要关注串口参数了，直接由这个dll完成。调用的时候只需要Open，Read，Write，和Close就行。

通信相关知识：短波、扩频、移动-communications related knowledge : shortwave, spread spectrum, mobile