在公式描述GPS定位是在台北写的，杰夫，我建议…

SIP消息之逐项讲解,讲解SIP消息的ppt文档-SIP itemized on the news, on the SIP news ppt files

有关QPSK调制解调的仿真程序，包括基带输入波形及其功率谱、QPSK调制信号及其功率谱、AWGN信道输出及其功率谱、通过瑞利信道之前和之后的信号星座图 6)在高斯白噪声和瑞利衰落信道条件下的误码性能以及高斯白噪声的理论曲线，所有误码性能曲线在同一坐标比例下绘制-Relevant QPSK modulation and demodulation of the simulation program, including the baseband input waveform and its power spectrum, QPSK modulation signal and its power spectrum, AWGN channel output and its power spectrum, through the Rayleigh channel before and after the signal constellation of Figure 6) in high- Adams white noise and Rayleigh fading channel under the conditions of BER, as well as the theory of Gaussian white noise curve, all the BER performance curve in the same proportion of coordinates under the map

西门子手机开发软件-the develope program on Siemense mobilephone.

无线通信系统中的空时编码的仿真程序。多天线发送，多天线接受系统。衰落信道。-wireless communication systems and space-time coding the simulation program. Multi-antenna sending, receiving multiple antenna system. Fading Channel.

串口通讯类 -The class for serial communication

Microsoft Live Communication Server开发控制代码！-Microsoft Live Communication Server development control code!

中国移动通信CMPP3.0短消息网关开发接口样例,很实用的,给开发短信平台的朋友-CMPP3.0 China Mobile Communications Development of Short Message Gateway Interface example, a very practical, SMS platform for the development of a friend

vb写的tapi拨号程序-Tapi dialing program writed by vb

这是一个简单的软件开发包（SDK），你可以利用这个 GPSLIB 在自己的32位 Windows 应用程序中加入全球定位系统的支持。源代码压缩文件中包含有 GPSLIB 库的源代码和 Demo 程序。很多文件中都有详细的注释说明。为了保证可下载文件的体积尽量的小，压缩文件中不含任何二进制文件。请使用Visual C++ 5 以上的版本编译并生成 DLLs、控制面板程序和可执行文件。-This is a simple software development kit (SDK), you can take advantage of this GPSLIB in their own 32-bit Windows applications to join the Global Positioning System support. Source code compressed file contains GPSLIB library source code and Demo program. Many documents have detailed notes. Downloadable file in order to guarantee as much as possible the size of the small, compressed file does not contain any binary files. Please use the Visual C++ 5 or later to compile and generate DLLs, Control Panel procedures and executable file.

TCP/IP的网络图，介绍了，TCP/IP 的结构。是初学者需要了解的很必要的网络资料，需要看的朋友，快下！-TCP/IP network, introduced the TCP/IP structure. Beginners need to know is a very necessary network information needs as a friend, under fast!