网络授时服务是在网络上设置一些时间服务器，用户通过Internet访问这些时间服务器就可同步本地计算机时钟的服务。...

最佳基带系统的Pe-Eb/N0曲线,滚降系数0.5,取样时间偏差Ts/4.-best baseband system Pe-Eb/N0 curve, roll-off factor of 0.5, sampling time warp Ts/4.

这是一份介绍SIP协议的PPT，详细介绍了SIP协议，可以帮助SIP开发人员理解SIP协议各个消息中的头域，以及应用流程。-this is a point for the sip, it introduces the protocol of sip, it can help for programer for understanding the part

GMAIL 文本客户端要读取/发送消息。 很有用的如果你在 ssh 连接和你不想要打开 （或您不能） 一个 GUI 或浏览器来读取您的电子邮件。此客户端允许连接到服务器、 阅读电子邮件、 发送新电子邮件和更多 ！ 您还可以使用此代码连接到另一台 IMAP 服务器。

symbian下的settinglist 适合初学者-settinglist under symbian for beginners

&计算机网络课件计算机网络课件计算机网络课件计算机网络课件计算机网络课件计算机网络课件

一个用VC做开发平台，用C语言开发的简单电话查询系统，具有添加记录，修改记录，删除记录，查找记录等功能.能帮助了解文件操作。-a VC with development platform, with C-language development simple telephone inquiry system, with added records, change records, delete records, the records search function. To help understand the operating document.

RAS高级编程是一个RAS拨号程序高级开发，通过该程序不经能够实现电话拨号功能，还能实现如adsl、网通等拨号功能，还能够监控modem或者网卡的网络流量，绝对是一个值得读者学习的程序。-RAS is a high-level programming RAS Dial-up procedures advanced development, and the program can be achieved without a telephone dial-up function can be realized as adsl, Netcom, and other dial-up function, but also to monitor the modem or Ethernet network traffic is definitely a worthy readers learning process.

ofdm通信系统相关编码，包括导频、同步等部分-ofdm communication system-related codes, including the pilot, synchronization and some other

三篇关于Viterbi FPGA编译码器的优化设计文档： 1、Viterbi译码器的FPGA设计实现与优化.pdf 2、Viterbi译码器的低功耗设计.pdf 3、基于FPGA的高速并行Viterbi译码器的设计与实现.pdf-3 on the Viterbi FPGA optimization codecs design documents: 1, Viterbi decoder FPGA Design Implementation and Optimization. Pdf2, Viterbi decoder, low-power design. Pdf3, high-speed FPGA-based parallel Viterbi decoder Design and Implementation. pdf

BER of the VUS-MUMIMO-SM Uplink System - Rayleigh-BER of the VUS-MUMIMO-SM Uplink System- Rayleigh