信噪比估计文章 学会如何估计信噪比，很不错的文章，很容易学会
SNR (2012-11-28, PPT, 1612KB, 下载60次)
SONET系列产品主要面向北美、日本等应用SONET体制的国家和地区城域网光网络市场
SONET series products are mainly oriented application SONET system in North America, Japan and other countries and regions in the metro optical networking market (2012-03-25, PPT, 4805KB, 下载6次)
Exact calculation of computer network reliability
Exact calculation of computer network reliability (2012-03-17, PPT, 194KB, 下载2次)
通信原理（樊昌信）第六版完整的电子课件，是您学习通信类课程的基础。
Communication Theory (Fan Changxin) The sixth edition of the complete electronic courseware, you learn the basic communication courses. (2011-12-15, PPT, 11732KB, 下载29次)
移动联通电信OTA技术的介绍,希望对做sim卡的有用
Mobile Unicom Telecom OTA technology introduction (2011-07-05, PPT, 18KB, 下载6次)
本教程是爱立信公司关于WCDMA无线接口技术的英文ppt讲义，详细讲解了WCDMA通信原理，与无线接口技术原理。
This tutorial is the Ericsson WCDMA radio interface technology on the English ppt notes, gave a detailed WCDMA communication theory, and wireless interface technology works. (2011-06-01, PPT, 1618KB, 下载13次)
通信原理教程课件++++樊昌信++++第二版
Communication Theory tutorial courseware++++++++ Fan Changxin Second Edition (2011-05-04, PPT, 8698KB, 下载16次)
通信原理教程课件第六版（全) 共14章 樊昌信，曹丽娜 编著，电子信息类国家级精品教材。国内100多所高校采用。
Communication Theory Tutorial Courseware Sixth Edition (full) a total of 14 chapters Fan Changxin, CAO Li-na ed, the electronic information class-level fine material. Domestic use of more than 100 colleges and universities. (2009-11-19, PPT, 11729KB, 下载325次)
爱立信WCDMA无线接口，对通信有较好的认识，对学习有所帮助
Ericsson WCDMA radio interface, for a better understanding of communication, be helpful in learning (2008-11-19, PPT, 1623KB, 下载26次)