再贡献一份基于osip 协议栈的用户代理，enumphone，可以研究一下...

WSN(无线传感器网络）仿真实例，实现仿真的结束条件定义-Wireless (wireless sensor networks) simulation example, the realization of the end for simulation definition

通信原理的所有公式 考研用的，大家可以下来参考-Communication principle of all formulas used in PubMed, we can down the reference

实现机于通讯芯片的电话接听 拨出 以及来电振领提示-The realization of machines in the communications chip set aside, as well as phone calls vibration collar tips

无线网络资料-wireless network information

此程序完成MIMO各个自程序的功能，比如编码，信道仿真，信道估计，信噪比计算等，各子程序能够独立运行，具有很好的参考价值-This procedure since the completion of all procedures MIMO features, such as coding, channel simulation, channel estimation, signal to noise ratio calculation, the subroutine can be run independently, with a very good reference value

sip_rfc3261 中国规定的SIP标准化文档-sip_rfc3261 China SIP standardization of documentation

这是有限状态机的模版事例程序，很有意义。 请斑竹尽快给我下载权限。急。- Please fed as I downloaded to the authority. Urgent.

c# 串口 以太网通信 modibus  连接 plc  从文本框输入负数 -2 补码=反+1=进位+原数 Vb 清除输入缓冲区 输出缓冲区 c#用不用清除？？哪个函数？？ //發送二進制數據 ？？？？？？？？？？？？？？ private void SendBytesData(SerialPort serialPort) { ////从 文本框取得数据 如果负数 -2 怎么办？？？？ byte[] bytesSend = Encoding.Default.GetBytes(txtSend.Text); spcom.Write(bytesSend, 0, bytesSend.Length); } 通过MODBUS TCP读写PLC源码 功能模块一：读写PLC主模块 using System; using System.Net; using System.Net.Sockets; public static void WriteWord(int mwAddress,int mwValue) {写字到以太网 if (init_plc() == 0) { try { hi = mwAddress / 256; low = mwAddress - hi * 256; hi1 = mwValue / 256; ///////////16bit low1 = mwValue - hi * 256; sendBuf[7] = 6; sendBuf[8] = (byte)hi; sendBuf[9] = (byte)low; sendBuf[10]

中文RFC文件，无需翻译，对学习很有帮助！

关于ＰＣＢ设计规范，包括电磁兼容，如何布线等一些规范．-on PCB design, including EMC, how wiring and other norms.