中国来电显示标准，为DTMF数据传送格式的，中国国标。

这是包含我自己设计的一个低通滤波器和语音信号的处理，程序已经通过编译和仿真。-This is my own design with a low-pass filter and speech signal processing, compilation and simulation programs have been adopted.

发送UDP的原代码-send UDP source code

日色犯得上法二房的 美好干枯就发射点发射点 豆腐干但是-Hiiro Fan Deshang France a beautiful two-bedroom on the firing point firing point dried tofu, but

IMS专辑通信3.pdf IMS的最近资料-IMS album communications 3.pdf IMS recent information

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

虽然Windows下可视化开发工具如VC、Delphi、C＋＋ Builder等都有专用的定时器控件Timer，而且使用很方便，可以实现一定的定时功能，但最小计时精度仅为55ms，且定时器消息在多任务操作系统中的优先级很低，不能得到及时响应，往往不能满足实时控制环境下的应用。不过Microsoft公司在Win32 API函数库中已经为用户提供了一组用于高精度计时的底层函数，如果用户使用得当，计时精度可到1ms。这个计时精度、对于一般的实时系统控制完全可以满足要求。现将由C＋＋ Builder 4.0提供的重新封装后的一组与时间相关的主要接口函数（函数名、参数、功能与Win32 API基本相同）说明如下： -visual development tools such as Visual C++, Delphi, C++ Builder and others all have dedicated Timer timer control, but it is convenient. can achieve a timing function, but only the minimum time of 55 ms accuracy. Timer news and multi-task operating system in the low priority that is not to respond in a timely manner, often fail to meet the real-time control environment applications. However, Microsoft Corporation in the Win32 API function has been to provide the user with a group for high-precision the bottom was a time function, if the user is properly utilized, time accuracy can be a ms. Accuracy this time, and for most of the real-time control system can meet the requirements.

在第一次我是在 c + + 中的新手这段代码是非常简单的代码为 16qam那里并不存在指针或类那里是只是初等函数，所以此代码非常缓慢和长我很抱歉关于韩国评注在这段代码，但容易辨认DB 的范围是-5 ℃ 到 10dB、 # 位大小是 100000 和噪声分贝是 174dBm

各种通信方式原理及其课件，从最基础到最新通信技术-Various means of communication principles and courseware, from the most basic to the latest communication technology

WDM光网络中路由过程可视化本文主要针对WDM光网络中路由过程可视化问题，将光网络路由过程分为路由过程和波长分配过程。-WDM network routing process visualization This paper mainly deals with WDM network routing process visualization, optical network routing process is divided into the process of routing and wavelength distribution process.

VB Mscomm控件应用-VB Mscomm Control Application