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coord_conv1
Python script for convert coordinate between local end geodetic systems.
- 2016-01-15 22:35:55下载
- 积分：1
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three-stage-DEA
三阶段DEA模型的参考文献，附有DEA模型介绍的PPt。(References of the three-stage DEA model, in a powerpoint presentation with DEA model is introduced.)
- 2015-10-25 07:58:19下载
- 积分：1
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(Programming in Lua, 4th Edition)书签版
Lua 程序设计经典入门书籍 带书签,还可以 看看吧(Lua programming classic introductory books)
- 2018-10-09 19:42:41下载
- 积分：1
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IEC61850应用入门 [何磊 编著] 2012年版
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)
- 2021-02-16 23:19:46下载
- 积分：1
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GIS
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.)
- 2016-10-31 10:26:35下载
- 积分：1
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NumericalHeatTransfer2
说明： 1. 院士陶文铨的经典书籍：数值传热学（第二版）
2. 做数值计算的人不可不看的书籍
3. pdf格式，加了书签，方便阅读(1. Academician Wen-Quan Tao classic books: Numerical Heat Transfer (second edition) 2. The people to do numerical computation can not see the books 3. Pdf format, added bookmarks, user-friendly)
- 2009-08-08 21:03:38下载
- 积分：1
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WindowsAPI
包含大多数vb编程常用的api函数，pdf格式(Contains the most commonly used api functions, pdf format)
- 2009-10-23 12:29:41下载
- 积分：1
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MAXWELL电子版整本书
ansoftmaxwell 电子版图书，是一种专门用于电磁仿真的软件，里面有各种案例可供大家练习，请大家阅读。(Ansoftmaxwell electronic books, is a specialized for electromagnetic simulation software, there are various cases are available for you to practice, please read.)
- 2018-01-21 16:55:14下载
- 积分：1
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white_LED
交流白色LED灯驱动电路的浅析，测试表明已达到预期的效果(The exchange of the white LED lamp driver circuit of the analysis, testing has indicated that the desired results)
- 2010-01-27 21:30:59下载
- 积分：1
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diveintopython-pdf-5.4
说明： dive into python book for linux
- 2019-03-10 12:49:11下载
- 积分：1
