IEEE39

This is answer for the SSD1 certification exam.

说明：  最高清版。还带标签，淘宝买的，20字干嘛，下载就完事儿了(Supreme Definition Edition. Also with labels, bought by Taobao)

说明：  工具说明，EDA工具的DataSheet，简单介绍及相关的参考文档(Tool Description, Data Sheet of EDA Tool, Brief Introduction and Related Reference Documents)

北航计算机组成原理测试题目（附参考答案） 包括： 作业1,2,3,5,6.(Northern computer composition principle test questions (with suggested answers) include: Job 1,2,3,5,6.)

Calcules for integral, in pdf

说明：  这个文档讲述了PLC开发过程的详细情况，是一本国外很经典的参考书籍，对于PLC开发者来说，很不错(This document describes the details of the development process PLC, is a classic reference books abroad, for PLC developers, very good)

说明：  MSK、GMSK非相干数字解调实验，不错的参考(MSK, GMSK noncoherent digital demodulation experiment, a good reference)

cisco3550配置手册,三层交换机的经典书籍(cisco3550 manual configuration, the three-tier switch classic books)

Introduction to BeiDou navigation satellite system

本书讲述移动通信原理，系统地介绍了移动通信的历史，现状，未来，详细地分析了移动通信的基本技术原理(Book about mobile communications theory, systematic introduction to the history, current status of mobile communication, the future, detailed analysis of the basic technical principles of mobile communication)