OPNET仿真实例，有助于初学者的快速学习。

modbus 协议 中文版本-Chinese version of Modbus protocol

MSComm 控件通过串行端口(serial port)传送和接收数据,为应用程序提供了串行通讯功能。而且在可视化编程盛行的今天，可以很方便的在Visual Basic(VB)、Visual C++(VC)、Delphi等语言及开发平台中应用。-MSComm controls (serial port) to transmit and the receive data through the serial port, has provided the serial communication function for the application procedure. Moreover today which is in vogue in the visible programming, may be very convenient in Visual Basic (VB), Visual C (VC), language and so on Delphi and develops in the platform to apply.

云台解码器派尔高P协议，为原版协议，开发人员请注意其最后位校验，为异或校验，不是求和校验，这里很容易发生错误，我们在开发产品的时候搞错，头很大-PTZ decoder Pelco P protocol for the original agreement, the developer to draw your attention to the last bit checksum for the XOR checksum, not sum check, here are prone to error, we made a mistake when developing products , the first great

七号信令程序员手册，用于开发，验证NO7信令的标准文档-SS7 programmers manual for the development, validation nr 7 Signaling standard file

这是我自己编写的串口调试程序，希望对大家有所帮助-This is what I have written serial debugger, we want to help

ui form windows csharp

里面含有一个文件和文件夹，其中直接序列扩频文件可以直接使用，仿真直接序列扩频的生成过程。文件夹里含有两个函数，一个模拟信道的函数，另外一个是方针BPSK环境的函数

电话防伪伺服系统-telephone security servo system

CDMA基础知识 CDMA基本概念 通信网络基本组成 上下行信道的分类 调制方式-CDMA basic knowledge of the basic concept of CDMA communications network elements downstream channel modulation classification

在MATLAB中用Goertzel算法（先用FFT算法，再用goertzel算法，）仿真DTMF的产生与检测的程序。应用于双音多频信号的产生与检测。-in Goertzel algorithm using MATLAB (first using FFT algorithm, reuse goertzel algorithm) simulation DTMF detection with the selection process. Used DTMF signal detection with the selection.