Computer-composition-principle

大学本科的GIS课件，对地理信息系统的学科有很全面的介绍，也相应的给了很多资源，对本科阶段的GIS学习有一定的帮助。(Undergraduate GIS courseware, the Geographic Information System has a very comprehensive introduction to the subject, but also a corresponding to a lot of resources, undergraduate stage of the GIS study has some help.)

华为lite os 说明文档，帮助开发 IOT(this is huawei lite os for IOT doc)

说明：  《IEC61850应用入门》是一本帮助读者理解、掌握IEC61850知识内容和思想精髓的参考书。全书共分五章：第一章简单介绍常规变电站自动化系统的不足，主要介绍了IEC61850标准的内容、特点和发展趋势；第二章介绍面向对象的基本概念，OSI、TCP/IP网络模型，以太网技术基础，XML、XMLSchema基础和常用软件工具；第三章介绍IEC61850的分层信息模型、具体定义、配置方式与配置文件；第四章主要介绍MMS基础知识、IEC61850与MMS的映射关系、MMS与ASN.1编解码和MMS典型报文分析；第五章介绍GOOSE服务、IEC61850—9—2SV服务、简单网络时间协议和IEEE1("Introduction to IEC61850 application" is a reference book to help readers understand and master the knowledge content and ideological essence of IEC61850. The whole book is divided into five chapters: the first chapter briefly introduces the shortcomings of conventional substation automation system, mainly introduces the content, characteristics and development trend of IEC61850 standard; the second chapter introduces the basic concept of object-oriented, OSI, TCP / IP network model, Ethernet technology foundation, XML, XML schema foundation and common software tools; the third chapter introduces the layered information model and specific definition of IEC61850 , configuration mode and configuration file; Chapter 4 mainly introduces MMS basic knowledge, mapping relationship between IEC61850 and MMS, MMS and ASN. 1 encoding and decoding and MMS typical message analysis; Chapter 5 introduces goose service, iec61850-9-2sv service, simple network time protocol and ieee1)

可以隐藏信息和读取。用LSB算法的。代码长度不长。VC++环境下(to hide information and read. LSB algorithm used. Code length is not long. VC environment)

一些常见放大电路,主要是常用芯片的各种设计连接(Some common amplifier is mainly used to connect chip design)

python datamining python 数据挖掘实战(python datamining Data mining practice useful code in study)

关于Python的一些资料，帮助快速学习Python(The Guide of Python Quickly)

Pattern_Recognition_4nd _CH4-solution

关于高效的C++编程的电子书，内容很详细，对于C++学习很有用。(About efficient C++ programming e-books, the content is very detailed, very useful for C++ learning.)

说明：  关于Python的一些资料，帮助快速学习Python(The Guide of Python Quickly)