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基于广域网的语音聊天系统，任一端可以发起连接，但先的知道对方IP-based WAN voice chat system, the end should be initiated connectivity, but the first to know each other IP

文中作者通过理论仿真详细分析了OFDM系统中子载波间干扰ICI对系统性能的影响-Author of the article through theoretical simulation of the OFDM system, a detailed analysis of neutron ICI ICI impact on system performance

网络IP电话源代码 开机：打开监听服务，以便别人可以和你通话。 关机：关闭监听服务，已经接受的连接不受影响，你可以继续通话。 拨号：连接已经开机的机器，弹出对话框后必须输入对方的IP和端口，如果需要使用代理，请正确设置代理服　　　务器。 挂机：断开正在进行的通话。 开机后会显示你监听的IP和端口，别人可以通过这个IP和端口和你连接。 连接成功（你拨号连接别人或别人来连接你）后会显示对方的IP和端口。-IP telephony network boot source code : Open monitoring services, and so that other people can talk to you. Shutdown : Close monitoring services, has accepted the connection will not be affected, you can continue to talk. Dial-up : Connecting switched on the machine, pop-up dialog box appears to be imported each other"s IP and port, if the need to use the agent, the right to set up the proxy server. Coolness : disconnect the ongoing conversations. After boot monitor will show you the IP and port, the others through IP and port and connect you. Connecting success (your dial-up connection or other people to connect you) will show the other side of the IP and port.

DSP与PC机串行通信的研究.pdf -DSP and PC serial communication studies. Pdf DSP and PC serial communication studies. pdf

速率32k24k16k的ADPCM变换

一个串口数据发送程序，每次发送一定量的字节数，其中第二个字节每次增加0X11，可用来统计发送了多少帧数据-A serial data transmission process, each time I send a certain amount of bytes, including byte-per-second increase in 0X11, statistics can be used to send the number of frame data

蓝牙 HCI 协议分析 Visual C++ 编译环境. HOST RS232,USB 通讯接口-Bluetooth HCI protocol analysis Visual C compiler environment. HOST RS232, USB interface

讲述为什么使用网络模拟器. 如协议验证. 控制试验条件. 花费低，耗时少，协同工作和复杂性好. 以及为什么使用NS.-talk about why the use of the network simulator. If agreement certification. Control test conditions. Low-cost and less time-consuming. teamwork and good complexity. and why the use of NS.

A simple H.323 "net telephone" application.

a matlab code for 64 QAM digital modulation