modbus协议 非常详细 中文版本

用OPNET来仿真无线网络,可以基本实现无线的功能-Use OPNET to simulate wireless networks, can basically achieve wireless functionality

数据传输，数字传输，或数字通信的物理数据传输（数字比特流）

Windows NT远程连接的 Delphi接口程序有例子(50KB)-Windows NT remote connectivity Delphi Interface Program is an example (50KB)

有关QPSK调制解调的仿真程序，包括基带输入波形及其功率谱、QPSK调制信号及其功率谱、AWGN信道输出及其功率谱、通过瑞利信道之前和之后的信号星座图 6)在高斯白噪声和瑞利衰落信道条件下的误码性能以及高斯白噪声的理论曲线，所有误码性能曲线在同一坐标比例下绘制-Relevant QPSK modulation and demodulation of the simulation program, including the baseband input waveform and its power spectrum, QPSK modulation signal and its power spectrum, AWGN channel output and its power spectrum, through the Rayleigh channel before and after the signal constellation of Figure 6) in high- Adams white noise and Rayleigh fading channel under the conditions of BER, as well as the theory of Gaussian white noise curve, all the BER performance curve in the same proportion of coordinates under the map

this is a dll file required for simple server client in windows

modem通讯用Delphi实现的完整例子经典-a modem communication integrity example with Delphi realization

windows mobile phone source code

利用TUIO协议做的C程序,可实现与其它平台的沟通-TUIO protocol used to do C program enables communication with other platforms

Implementation of MANET routing protocols on OMNeT-Implementation of MANET routing protocols on OMNeT++

SIP体系架构讲义及消息交互演示 -SIP architecture lectures and interactive demonstrations news SIP architecture lectures and information WALLDISPLAY