html5

orcad原理图绘制教程。60分钟可学会。-orcad schematic drawing tutorial. 60 minutes to learn.

Java SessionBean状态判断的例子，代码包中的两个实例，分别对无状态SessionBean和有状态SessionBean进行了演示，请注意，Home对象是EJB对象的制作生成库，该方法生成EJB对象,value参数用于计数器的初始化，在无状态会话Bean中不能带参数。定义CountBean接口，调用每一个EJB对象的count()方法，保证Bean正常被激活和钝化。

从某网上面下载的,是一个电子工程师的经验之谈,希望对大家有帮助.(Noodles from a web download is an electronic engineer' s experiences, in the hope that everyone has to help.)

DOS保护模式下汇编程序设计.zip-DOS protected mode compilation of program design. Zip

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)

嵌入式系统原理与接口技,很高的可课件 用power point 可open-embedded systems theory and interface technology, high courseware can be used to be open power point

混合蛙跳算法是一种较新的仿生智能算法，大家可以进行改进和算法测试(The hybrid leapfrog algorithm is a newer bionic intelligent algorithm, which can be improved and tested)

说明：  建立了完整的风力发电仿真模型，具体包括风速的建模，发电机的建模，以及根据风力发电的数学模型，建立的完整的仿真模型，能够仿真出符合风力发电特性的仿真曲线(A complete simulation model of wind power generation is established, including wind speed modeling, generator modeling, and a complete simulation model based on the mathematical model of wind power generation, which can simulate the simulation curve in line with the characteristics of wind power generation)

ADuC812的 AD驱动及滤波程序-ADuC812 AD-driven filtering and procedures

说明：  9.1 利用差商近似导数 313 　　9.1.1 中点公式 313 　　9.1.2 利用Taylor公式构造差商公式 314 　　9.1.3 差商公式误差分析与步长优化 319 　　9.1.4 理查森外推法 321 　　9.2 插值型求导方法 323 　　9.3 样条求导 325 　　9.4 利用数值积分求导数 327 　　9.5 数值偏导数 329 　　9.6 MATLAB自带函数应用 329 　　9.6.1 diff函数 329 　　9.6.2 gradient函数 330 　　9.6.3 surfnorm函数 331 　　9.7 应用案例 333(Differential calculus Program code)