range_migration

making a clock by microcontroller atmega16 and show the time on lcd in c by codevision avr

一个小型网络仿真器的实现-a small network simulator Implementation

一个很实用的DNS域名解析DNS，用于网络视频服务器中。-A very useful DNS DNS DNS, for network video server.

组合惯导和GPS的信号仿真，使用UKF、PF等滤波对信号进行估计(Combined inertial navigation and GPS signal simulation, using UKF, PF and other filtering to estimate the signal.)

说明：  the code for wsn and leach and sep

说明：  微信小程序商城商业版源码包，自己使用，未经授权，请勿转发(Using the WeChat app store's source code)

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Delphi个人信息管理系统，数据库基于Access，可学习一下常用的数据库操作，比如添加、删除、修改和查询数据等，编写方面全部使用Delphi7自带控件，在D7环境下可直接编译运行，登录不对的朋友，可直接修改Access里的密码。

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)

JQuery response photo album with left thumbnail