蓝牙程序代码

windows下调用普通USB摄像头的程序源码 基于DirectShow编写-under windows called ordinary USB camera program source code to prepare based on DirectShow

完整的文件发送接收程序源代码VB.zip 下载的别人的，谢谢原作者。-integrity of the document send and receive source code VB.zip download others, I thank the original author.

OFDM的基本原理及FFT实现,一篇参考文章，写的不错-The basic principles of OFDM and FFT realization of a reference article, written by a good

字符仿真终端 通过一个MSComm控件，实现串口字符通信功能。-characters through a terminal simulation MSComm control, Serial characters communications functions.

一使用串口通讯的IC饭卡系统，消费终端与远程服务器通过串口连接-use of a serial communications IC Prerequisite system, consumption and Remote Terminal Server through Serial Link

JTAPI是由Sun公司提出的基于Java语言的应用程序接口。由于JTAPI是基于Java的应用接口，使得JTAPI的对象独立于操作系统和硬件平台，支持跨平台的应用。JTAPI定义了一套类库，包含电话功能和扩充功能。JTAPI结合了传统的电话服务和Web处理能力，具有较强的功能。但是，基于Java的特性，使得JTAPI在拥有强大功能的同时，也失去了普及和推广的基础。-JTAPI by Sun"s Java language on the application program interface. As JTAPI is a Java-based application interface, JTAPI makes the object independent of operating systems and hardware platforms to support cross-platform applications. JTAPI definition of a set of class libraries, including telephone functions and expansion capabilities. JTAPI combination of traditional telephone services and Web processing capability, and a strong function. However, based on Java, which makes JTAPI the powerful functions, lost popularize and promote the foundation.

应用背景主要是应用在电子射频、通讯等行业，例如采样中的数字本振信号、接收机的发射信号等等，还可以用做测试中做一个幅值可调的信号发生器，频率源等，为测试和设计带来很大的帮助关键技术数字信号发生器   DDS  频率可调 。运用MATLAB生成相关 的原 始数据，根据按键改 变频率 控制字，不断地累加，就可以实现频率可调。将生成的二进制代码发送给对应的DAc芯片的数据接口，通过给后端的模拟信号进行简单的硬件上的滤波，即可解决信号的高次谐波。

USB经典编程源码

由bell-labs提供的RTP协议实现库，目前好多视频电话会议都采用这个库实现实时传输的。-from bell-labs for the RTP protocol library, a lot of video and telephone conference this library are used to achieve real-time transmission.

使用Mail发送传真的程序 -Using mail to send fax