利用最小方差方法估计复正弦加白噪声得平稳信号的功率谱

短信网关之间，以及SP与短信网关之间的接口协议-SMS gateway, as well as between SP and SMS gateway interface between the agreement

A simple H.323 "net telephone" application.

about wireless network

1.Borland c++ builder 6.0开发的车站条屏控制系统 2.有关SQL SERVER 2000存储过程操作 3.有关在BCB下的ADO的数据库管理 4.有关WIN32API串行通讯 5.有关图形图像变形操作技巧 -1.Borland 6.0 c builder of the development of the station Screen Control System 2. SQL SERVER 2000 operating three storage process. BCB in the ADO database management 4. The WIN32API serial communication 5. The graphic image deformation techniques

DS18b20的温湿度控制， DS18b20的温湿度控制，-this is very goog!~this is very goog!~this is very goog!~this is very goog!~

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.

directdraw 教程-directdraw Guide

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一些GPS和GSM的设计和理论基础，对这方面的程序员的开发无疑是有帮助的。

关于MODEM的资料 感兴趣的朋友可以- The friend is interested which about the MODEM material may have a look