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[Software Engineering] AMR+ARM+Ethernet DL : 0: 本文首先介绍目前几种常见的自动抄表系统，分析它们各自的特点，然后重点介绍以太网抄表系统及其控制器的设计与实现。第一章介绍国内外自动抄表技术的发展状况第二章分析抄表系统的结构，对其上/下层通讯方式进行了详细的描述，比较了不同通讯方式的优缺点第兰章专门就以太网为通讯方式的抄表系统进行介绍，指出它是一种很有发展前途的抄表手段第四章和第五章详细介绍以太网抄表系统中控制器的设计，分为硬件和软件两方面，对来用的微处理器(ARM芯片)和嵌入式操作系统(uClinux )也都有详细的介绍。最后，第六章指出本系统设计中的技术难点以及抄表技术今后的发展趋势。 -This paper introduces some common automatic meter reading system, analysis of their respective characteristics, Then highlight meter reading system and its Ethernet controller design and implementation. The first chapter is devoted to domestic and international automatic meter reading technology development in the second chapter analyzes the structure of meter reading system, its on / lower forms of communication are described in detail, Comparison of the different forms of communication-the advantages and disadvantages of the first chapter on Ethernet for communication of meter reading system will be introduced. that it is a very promising means of meter IV and V detailed Ethernet Meter System Controller design, hardware and software into two, right to the use of the microprocessor (ARM c
Date : 2008-10-13 Size : 3.64mb User : 李威
[Software Engineering] multiboot DL : 0: 自己编程实现多引导如果你是一个计算机用户相信你一定安装过操作系统，当你用久了一个操作系统，你可能会安装一个新的操作系统，但你往往希望保留现在的操作系统。比如当你有了一个windows98，你可以在上面再安装windows2K或是windowsXP，这是因为Windows的NTloader可以认识比自己更早的操作系统，所以能够给你保留先前的操作系统。但是如果你现在已经拥有了一个windows2K或是windowsXP你要在硬盘上再装个WINDOWS98甚至一些怀旧派人士想在上面安装一个DOS6.22，此时又该怎么办呢？你往往会用到第三方软件，比如V communications，.inc的System Commander系列，PowerQuest Corporration的BootMagic等等都是很好的选择。这些软件的将硬盘分区设置为两个或是两个以上的主分区，（也就是我们所说的双“C”盘，或是多“C”盘），把不同的操作系统安装到不同的主分区，通过激活不同的分区来实现多重引导，其优点是安全稳定，一旦一个操作系统瘫痪，一点不影响其他操作系统，个人认为值得推荐。本文不是一篇多操作系统实现的经验介绍，因此有关BootMagic等第三方软件的使用我就不再浪费篇幅来介绍，我要给大家分析的是此类软件的实现原理。
Date : 2008-10-13 Size : 7.61kb User : 张海
[Software Engineering] LCD-dianzicheng.RAR DL : 0: LCD显示电子计价秤方案 1. 该方案使用的传感器为20KG,灵敏度约为0.5mv/v,选用新传感器线性较好的一段(100g-15Kg),直接处理,没有做非线性修正,称重可能会有偏差. 2. 软件基于KEILC开发,使用单片机的型号为AT89S52,在main.c文件中有详细说明。
Date : 2008-10-13 Size : 411.36kb User : qiudehua
[Software Engineering] psp DL : 0: The Personal Software Process (PSP) shows engineers how to: 1)manage the quality of their projects 2)make commitments they can meet 3)improve estimating and planning 4)reduce defects in their products -The Personal Software Process (PSP) shows engineers how to : 1) manage the quality of their projects 2) make c ommitments they can meet 3) improve estimating and planning 4) reduce defects in their product s
Date : 2025-12-30 Size : 2.65mb User : Jawen
[Software Engineering] AMR+ARM+Ethernet DL : 0: 本文首先介绍目前几种常见的自动抄表系统，分析它们各自的特点，然后重点介绍以太网抄表系统及其控制器的设计与实现。第一章介绍国内外自动抄表技术的发展状况第二章分析抄表系统的结构，对其上/下层通讯方式进行了详细的描述，比较了不同通讯方式的优缺点第兰章专门就以太网为通讯方式的抄表系统进行介绍，指出它是一种很有发展前途的抄表手段第四章和第五章详细介绍以太网抄表系统中控制器的设计，分为硬件和软件两方面，对来用的微处理器(ARM芯片)和嵌入式操作系统(uClinux )也都有详细的介绍。最后，第六章指出本系统设计中的技术难点以及抄表技术今后的发展趋势。 -This paper introduces some common automatic meter reading system, analysis of their respective characteristics, Then highlight meter reading system and its Ethernet controller design and implementation. The first chapter is devoted to domestic and international automatic meter reading technology development in the second chapter analyzes the structure of meter reading system, its on/lower forms of communication are described in detail, Comparison of the different forms of communication-the advantages and disadvantages of the first chapter on Ethernet for communication of meter reading system will be introduced. that it is a very promising means of meter IV and V detailed Ethernet Meter System Controller design, hardware and software into two, right to the use of the microprocessor (ARM c
Date : 2025-12-30 Size : 3.64mb User : 李威
[Software Engineering] CSharpHandBook DL : 0: C#完全手册中文版电子书第一部分：C#语言概述第二部分：C#程序设计基础第三部分：C#面向对象第四部分：C#深入了解第五部分：附录 -C# Completely manual Chinese version of the first part of e-books: C# Language outlined in the second part: C# Program design based on the third part: C# Object-oriented Part IV: C#-Depth understanding of Part V: Appendix
Date : 2025-12-30 Size : 1.2mb User : YMF
[Software Engineering] multiboot DL : 0: 自己编程实现多引导如果你是一个计算机用户相信你一定安装过操作系统，当你用久了一个操作系统，你可能会安装一个新的操作系统，但你往往希望保留现在的操作系统。比如当你有了一个windows98，你可以在上面再安装windows2K或是windowsXP，这是因为Windows的NTloader可以认识比自己更早的操作系统，所以能够给你保留先前的操作系统。但是如果你现在已经拥有了一个windows2K或是windowsXP你要在硬盘上再装个WINDOWS98甚至一些怀旧派人士想在上面安装一个DOS6.22，此时又该怎么办呢？你往往会用到第三方软件，比如V communications，.inc的System Commander系列，PowerQuest Corporration的BootMagic等等都是很好的选择。这些软件的将硬盘分区设置为两个或是两个以上的主分区，（也就是我们所说的双“C”盘，或是多“C”盘），把不同的操作系统安装到不同的主分区，通过激活不同的分区来实现多重引导，其优点是安全稳定，一旦一个操作系统瘫痪，一点不影响其他操作系统，个人认为值得推荐。本文不是一篇多操作系统实现的经验介绍，因此有关BootMagic等第三方软件的使用我就不再浪费篇幅来介绍，我要给大家分析的是此类软件的实现原理。
Date : 2025-12-30 Size : 7kb User : 张海
[Software Engineering] MatrixBible DL : 0: OpenGL中的各种转换是通过矩阵运算实现的，具体的说，就是当发出一个转换命令时，该命令会生成一个4X4阶的转换矩阵（OpenGL中的物体坐标一律采用齐次坐标，即(x, y, z, w)，故所有变换矩阵都采用4X4矩阵），当前矩阵与这个转换矩阵相乘，从而生成新的当前矩阵。例如，对于顶点坐标v ，转换命令通常在顶点坐标命令之前发出，若当前矩阵为C，转换命令构成的矩阵为M，则发出转换命令后，生成的新的当前矩阵为CM，这个矩阵再乘以顶点坐标v，从而构成新的顶点坐标CMv。上述过程说明，程序中绘制顶点前的最后一个变换命令最先作用于顶点之上。这同时也说明，OpenGL编程中，实际的变换顺序与指定的顺序是相反的。文档对其进行了详细的分析。
Date : 2025-12-30 Size : 17kb User :
[Software Engineering] LCD-dianzicheng.RAR DL : 0: LCD显示电子计价秤方案 1. 该方案使用的传感器为20KG,灵敏度约为0.5mv/v,选用新传感器线性较好的一段(100g-15Kg),直接处理,没有做非线性修正,称重可能会有偏差. 2. 软件基于KEILC开发,使用单片机的型号为AT89S52,在main.c文件中有详细说明。-LCD display电子计价秤1. The program for the use of sensors 20KG, sensitivity about 0.5mv/v, to the use of new sensor linear section better (100g-15Kg), direct treatment, do not make non-linear correction, saying weight may be deviation .2. KEILC based software development, the use of models for single-chip AT89S52, in the main.c file has a detailed description.
Date : 2025-12-30 Size : 411kb User : qiudehua
[Software Engineering] LVDS DL : 0: ：通过 L V D S ( 低压差分信号) 传输方案与单个 L C o S ( 硅基液晶) 分时分色显示，设计主电路与头盔结构分离的单 L C o S 硅片彩色头盔显示系统。-: Through the LVDS (Low Voltage Differential Signaling) transmission scheme with a single LC o S (Liquid Crystal on Silicon) color separation time showed that the design of main circuit and the structure of the separation of single-helmet LC o S silicon color helmet display system.
Date : 2025-12-30 Size : 170kb User : wu78zg
[Software Engineering] VBA-EXCEL-10 DL : 0: execel下vba编程经典资料，要用好excel必须会进行VBA编程，非常值得看。-vba programming under execel classical information, use good excel programming VBA must be carried out, very worth watching.
Date : 2025-12-30 Size : 2.2mb User : zhanghua11
[Software Engineering] cmmi-dev-v12-c DL : 0: Capacity Maturity Model Integration 能力成熟度整合模型 CMMI 官方繁体中文-Capacity Maturity Model Integration Capability Maturity Model Integration CMMI official Traditional Chinese
Date : 2025-12-30 Size : 1.93mb User : Dai Dong
[Software Engineering] Qt-programming-under-Linux-Getting-Started DL : 0: 前言第一章 Qt的安装第二章 Hello World 第三章 C/C++ 基础第四章窗口部件第五章对话框第六章主应用窗口程序第七章文件与目录处理第八章数据库编程第九章程序调试与异常处理附录A：Qt3.0新特性附录B：Qt3.0类分组列表 -Preface Chapter I Chapter II Qt installation Hello World Chapter III C/C++ basic window components Chapter IV Chapter V Chapter VI the main application dialog box window procedure documents and directories Chapter VII Chapter VIII deal with database programming Chapter IX program debugging and exception handling in Appendix A: Qt3.0 new features in Appendix B: Qt3.0 category grouping list
Date : 2025-12-30 Size : 907kb User : jeff
[Software Engineering] c DL : 0: 数控直流稳压电源源程序本设计由两个电路模块构成：直流稳压源电路（+15V,+5V,-15V），程控电路。并且巧妙得反置使用D/A变换器。使程控输出电压0-9.9手动可调，步距为0.2V。并可预置电压值，采用LED同步显示。-NC DC power source circuit of the design of two modules: the source DC circuit (+15 V,+5 V,-15V), program-controlled circuit. And clever use of a reversal of D/A converter. So that the output voltage programmed manually adjustable 0-9.9, step to 0.2V. And preset voltage value, shows that the use of LED synchronization.
Date : 2025-12-30 Size : 4kb User : 邹福
[Software Engineering] Giaotrinh_FORTRAN DL : 0: Fortran - Tóm tắ t nộ i dung mô n họ c Các khái niệ m và yế u tố trong ngô n ngữ lậ p trình FORTRAN. Các câ u lệ nh củ a ngô n ngữ FORTRAN. Cơ bả n về chư ơ ng chư ơ ng dị ch và mô i trư ờ ng lậ p trình DIGITAL Visual Fortran. Viế t và chạ y các chư ơ ng trình cho các bài toán đ ơ n giả n bằ ng ngô n ngữ FORTRAN. -Fortran - Tóm tắ t nộ i dung mô n họ c Các khái niệ m và yế u tố trong ngô n ngữ lậ p trình FORTRAN. Các câ u lệ nh củ a ngô n ngữ FORTRAN. Cơ bả n về chư ơ ng chư ơ ng dị ch và mô i trư ờ ng lậ p trình DIGITAL Visual Fortran. Viế t và chạ y các chư ơ ng trình cho các bài toán đ ơ n giả n bằ ng ngô n ngữ FORTRAN.
Date : 2025-12-30 Size : 86kb User : khuong
[Software Engineering] vidieukhien DL : 0: c++ Ngô n ngữ C cho vi đ iề u khiể n Các tài liệ u tham khả o, ebook. Programming Microcontrollers in C (Ted Van Sickle) C Programming for Microcontrollers (Joe Pardue SmileyMicros.com ) Programming 16-Bit PIC Microcontrollers in C (Jucio di jasio ) C Programming for AVR Programming embedded system I,II (Michael J . Pont ) ( các tài liệ u này đ ã down load về ) -c++ Ngô n ngữ C cho vi đ iề u khiể n Các tài liệ u tham khả o, ebook. Programming Microcontrollers in C (Ted Van Sickle) C Programming for Microcontrollers (Joe Pardue SmileyMicros.com ) Programming 16-Bit PIC Microcontrollers in C (Jucio di jasio ) C Programming for AVR Programming embedded system I,II (Michael J . Pont ) ( các tài liệ u này đ ã down load về )
Date : 2025-12-30 Size : 8kb User : khuong
[Software Engineering] Matlap DL : 0: learningMatlab PhÇ n 1 c¬ së Mat lab Ch ¬ ng 1: Cµ i ® Æ t matlab 1.1.Cµ i ® Æ t ch ¬ ng tr×nh: Qui tr×nh cµ i ® Æ t Matlab còng t ¬ ng tù nh viÖ c cµ i ® Æ t c¸ c ch ¬ ng tr×nh phÇ n mÒ m kh¸ c, chØ cÇ n theo c¸ c h íng dÉ n vµ bæ xung thª m c¸ c th« ng sè cho phï hî p. 1.1.1 Khë i ® éng windows. 1.1.2 Do ch ¬ ng tr×nh ® î c cÊ u h×nh theo Autorun nª n khi g¾ n dÜ a CD vµ o æ ® Ü a th× ch ¬ ng tr×nh tù ho¹ t ® éng, cö a sæ-learningMatlab PhÇ n 1 c¬ së Mat lab Ch ¬ ng 1: Cµ i ® Æ t matlab 1.1.Cµ i ® Æ t ch ¬ ng tr×nh: Qui tr×nh cµ i ® Æ t Matlab còng t ¬ ng tù nh viÖ c cµ i ® Æ t c¸ c ch ¬ ng tr×nh phÇ n mÒ m kh¸ c, chØ cÇ n theo c¸ c h íng dÉ n vµ bæ xung thª m c¸ c th« ng sè cho phï hî p. 1.1.1 Khë i ® éng windows. 1.1.2 Do ch ¬ ng tr×nh ® î c cÊ u h×nh theo Autorun nª n khi g¾ n dÜ a CD vµ o æ ® Ü a th× ch ¬ ng tr×nh tù ho¹ t ® éng, cö a sæ
Date : 2025-12-30 Size : 772kb User : khuong
[Software Engineering] TMS320C55x-C-CPP-Compiler-v-4.4 DL : 1: TMS320C55x C C++ Compiler v 4.4使用手册-TMS320C55x C C++ Compiler v 4.4 user
Date : 2025-12-30 Size : 567kb User : 林伟
[Software Engineering] V-CPP DL : 0: 用Visual C++语言实现三维图形的三视图的投影图-The projection map view 3D graphics with the Visual C++ language
Date : 2025-12-30 Size : 3kb User : 徐滨
[Software Engineering] CPP-Primerxuexilianxi DL : 0: v c++学习必备教程内容详实实例讲解透彻是不可多得的好材料-v c++ learning essential examples to explain thoroughly informative tutorial is a rare good material
Date : 2025-12-30 Size : 2.12mb User : libin

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