手机上的实时语音采集类封装. 内附详细类描述。

根据输入的调制方式对输入序列进行调制，完成对星座图的映射-According to the modulation input sequence of input modulation, the completion of the mapping of the constellation diagram

ps2键盘外部中断20键 有需要的 可以使用-external interrupt ps2 keyboard has 20 keys need to use

自动下载ftp站点的文件，并自动运行指定的应用程序，保证客户端程序及文件的实时性- Automatically downloads the ftp stand the document, and the automatic movement assigns application procedure, guarantee customer end procedure and document timeliness

收集的一些OPNET无线仿真的模型及程序，适用于OPNET8.1-10.0-collection of OPNET wireless simulation models and procedures applicable to OPNET8.1- 10.0

liblinphone is a high level library to make a SIP phone. This library includes ALL the features of linphone. It is designed to be easy to use, directly from a user interface. -liblinphone is a high level library to make a SIP phone. This library includes ALL the featu res of linphone. It is designed to be easy to use, directly from a user interface.

Modicon Modbus Serial Driver for Intellution iFIX version 7

modem 拨号上网工具，处理源代码程序，解析modem拨号上网过程！-It s a tool of dial-up to internet, source code of process programme, parse whole process of dial-up to internet through modem .

本文主要阐述了DTMF的原理及如何在MATLAB上产生DTMF信号，主要涉及到电话拨号音合成的基本原理及识别的主要方法，利用 MATLAB 软件以及 FFT 算法实现对电话通信系统中拨号音的合成与识别。并进一步利用 MATLAB 中的图形用户界面 GUI 制作简单直观的模拟界面。 能够利用矩阵不同的基频合成 0 － 9 不同按键的拨号音，并能够对不同的拨号音加以正确的识别，实现由拨号音解析出电话号码的过程，完成对电话拨号音系统的简单的实验仿真。-This paper described the principle and how DTMF in MATLAB to generate DTMF signals, mainly related to the telephone dial tone of the basic principles of synthesis and identification of the main methods, the use of MATLAB software and the FFT algorithm on the telephone communication system dial tone Synthesis and Recognition . And further the use of MATLAB in the production of graphical user interface simple and intuitive GUI interface simulation. Able to take advantage of matrix synthesis of different fundamental frequency 0- 9 different keys of the dial tone and be able to different dial tone to be the correct identification, the dial tone from a telephone number to resolve the process of completion of the telephone dial tone system, a simple experiment simulation

在dos下读写pci卡-pci card reader

一个很好的LabVIEW上位机程序模板（串口通信），二次开发很方便