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Description: 通信的目的是要把信息及时可靠地传送给对方，因此要求一个通信系统传输消息必须可靠与快速，在数字通信系统中可靠与快速往往是一对矛盾。为了解决可靠性，通信系统都采用了差错控制。本文详细介绍了循环冗余校验CRC（Cyclic Redundancy Check）的差错控制原理及其算法实现。-the purpose of communication is to timely and reliable information to be transmitted to the other side, thus requiring a communication system to be reliable information transmission and rapid, in a digital communication system reliable and fast is too often one of contradictions. This paper describes a Cyclic Redundancy Check (Cyclic Redundancy Check) Principles and error control algorithm.
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Author: xn |
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Description: 能完成对小车的往返，转向，速度的控制，小车能在慢速区慢跑，快速区快跑-completion of the car, from steering and speed control, the car will slow, jogging and rapid sprints District
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Author: 莫晓雪 |
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Description: 针对蓄电池充电过程中出现的种种问题，采用了分级定电流的脉冲快速充电方案，提出了充电器的硬件电路和控制软件的设计方案。该充电方案对充分发挥蓄电池的功效，提高对蓄电池的充电速度，减少充电损耗，延长蓄电池的使用寿命具有重要意义。 -against rechargeable battery occurred in the course of various problems using the current classification set the pulse rapid charging, the charger circuitry and hardware control software design. The program rechargeable battery to give full play to the effectiveness and improve the battery charging speed, reducing wear and tear rechargeable, extended battery life is of great significance.
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Author: 王奇 |
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Description: Delphi是一种具有功能强大、简便易用和代码执行速度快等优点的可视化快速应用开发工具，它在构架企业信息系统方面发挥着越来越重要的作用，许多程序员愿意选择 Delphi作为开发工具编制各种应用程序。但是，美中不足之处是 Delphi没有自带的串口通信控件，在它的帮助文档里也没有提及串口通信，这就给编制通信程序的开发人员带来许多不便-with Delphi is a powerful, easy-to-use and faster code execution advantages of visual rapid application development tool, the framework for enterprise information systems are playing an increasingly important role, many programmers choose to Delphi as a development tool preparation of the various applications. However, inadequate as it is not Delphi onboard Serial Communication Control, in its help files contain no mention of serial communication, which gives the procedures for the preparation of communications developers bring a lot of inconvenience
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Author: 黄区 |
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Description: 随着计算机软件、硬件技术的日新月异的发展和普及，人类已经进入一个高速发展的信息化时代，人类大概有80%的信息来自图像，科学研究、技术应用中图像处理技术越来越成为不可缺少的手段。图像处理所涉及的领域有军事应用、医学诊断、工业监控、物体的自动分检识别系统等等，这些系统无不需要计算机提供实时动态，效果逼真的图像。-as computer software and hardware technology and the rapid development of all that mankind has entered a rapid development of the information era, mankind is about 80% of the information from the images, scientific research, technological application image processing technology have increasingly become an indispensable tool. Image processing involved in the areas of military applications, medical diagnostics, industrial control and objects seized Automatic Identification System and so on, these systems do not need computer-real-time dynamic, lifelike images.
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Description: 实现了一种快速比较算法进行图象识别比较，可以应用在足球机器人和工业控制等方面-achieve a more rapid identification algorithm for image comparison, can be used in robot soccer and industrial control, etc.
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Author: 张的 |
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Description: 采用面向负荷控制技术，用面向对象思想与快速原型法的设计方法，在SQL SERVER数据库中实现模型及数据的存储。算法尽量简单实用，时间复杂性及空间复杂性必须在实际环境允许的范围之内。-used for load control technology, using the object-oriented thinking and rapid prototyping of the system, SQL Server database implementation model and data storage. As simple and practical algorithm, time and space complexity of complexity in a realistic environment to the extent permitted within.
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Author: 冯宾 |
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Description: 按照UUCode标准对文件进行快速编码,uucodehe和AC的对照-UUCode standards in accordance with the documents for rapid coding, and AC uucodehe control
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Author: 高温 |
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Description: 基于VB实现PC机与单片机的串行通讯 随着计算机技术尤其是单片微型机技术的发展，人们已越来越多地采用单片机来对一些工业控制系统中如温度、流量和压力等参数进行检测和控制。PC机具有强大的监控和管理功能，而单片机则具有快速及灵活的控制特点，通过PC机的RS-232串行接口与外部设备进行通信，是许多测控系统中常用的一种通信解决方案。因此如何实现PC机与单片机之间的通讯具有非常重要的现实意义。本文将论述在VB环境下PC机与单片机之间实现串行通讯的软硬件方案。PC机的通讯程序使用Visual Basic编写，VB是Microsoft公司推出的Windows应用程序开发工具，因其具有界面友好，编程简便等优点而受到广泛的使用，而且 Visual Basic 6.0 版本带有专门实现串行通讯的MSCOMM控件。-VB-based PC and SCM serial communication with the computer technology, especially the single-chip microcomputer technology the development, it has been increasingly used to SCM for some industrial control systems such as temperature, flow and pressure parameters detection and control. PC with a powerful monitoring and management capabilities, and SCM has a rapid and flexible control characteristics, PC through the RS-232 serial interface with external communications equipment, many control systems are commonly used in a communications solutions. So how PC and communication between the microcontroller is a very important practical significance. This paper will describe the environment in VB PC and microcontroller serial communication between the hardware and software programs. PC communicat
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Author: 贾沼瑞 |
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Description: C++Builder 6 是一款快速开发Win32 应用程序的可视化开发工具，利用它可以实现高性
能的执行效率和出色的底层控制。C++Builder 6 相比于5 以前的版本，提供了更多的网络开
发组件，更快速方便的可视化环境。
本书共有14 章，前三章分别介绍C++Builder 的开发环境、比较特殊的语法，并在第三
章用实例讲述使用C++Builder 开发应用程序的过程，以后的章节均通过实例讲述C++Builder
某个方面的编程技术与技巧。这些实例包括文本、绘图与图象处理、文件、多媒体、系统，
以及FTP 和WinSock 网络通信。在第12 章通过俄罗斯方块游戏介绍VCL 游戏的制作，并
在第13 章介绍游戏开发中常用的DirectX 技术。在第14 章讲述数据库程序的设计，并详细
讲解餐厅结账管理程序的制作过程。
本书是为对C++Builder 有基本了解的程序员或程序爱好者而做，读者需要熟悉C/C++
编程。本书也可以作为软件开发人员的参考书。-C Builder is a rapid development of Win32 applications visual development tool, it can be used to achieve high performance and excellent efficiency in the implementation of the underlying control. C Builder 6 compared to five the previous version, providing more network development components, to facilitate the more rapid visualization environment. A total of 14 book chapters, chapters were introduced C Builder development environment, a relatively special syntax, in the third chapter example on the use of C Builder application development process. subsequent chapters are examples C Builder about some aspect of technology and programming skills. These examples include text, graphics and image processing, document, multimedia, system, WinSock, and FTP and network communications. In Chapter
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Author: 夺夺 |
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Description: 这是一个比较好，功能相对独立的例子，它包含从引入MapX对象，加载地图数据，设置地图边界，创建临时图层，添加图层字段，添加地图数据等功能，并比较了两种临时图层方式(本地文件和内存表)对添加图元速度的时间参数。临时表的方式非常适合工控，电信端子责备监控，GPS监控的要求地图上能快速反映监控状态变化的应用。-This is a good, relatively independent of the functional examples, ranging from the introduction of MapX targets, Map data loading, set up border maps, create temporary layer, add layers field, add the map data and other functions, comparison of the two temporary layer mode (local files and memory table) to add the map yuan speed time parameters. The temporary table is suitable for industrial control, telecommunications terminals blame monitoring, GPS monitoring requirements maps will reflect the rapid changes in the status monitoring applications.
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Author: Ivy |
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Description: 如何有效的监视和控制网络中各台计算机的工作情况以及随时出现的各种异常情况，如何在网中实现有效的文件传输，如何让各客户在有何需要时可以方便的与网络管理人员进行联系等一系列的问题也便随之出现。本软件便是针对这一系列的问题而在windows2000操作平台是设计的。通过本软件的服务器便可以查看各客户端计算机上所起的服务，某时所运行的程序，机子的启动项目，共享资源，以及通过查看事件查看器了解计算机出现的各种情况。并且各客户端通过本软件快速的下载服务器上提供的文件。从而使企业网络的管理得到进一步的完善。-how effective surveillance and control of the network of computers at any time and the work of the various anomalies how to achieve effective network of file transfer, how the needs of customers in what may be convenient and network management contact and a series of other issues will also followed up now. The software is targeted at the range of problems in windows2000 platform is the design. The passage of the server software can check the client computers played by the services, as a running program, the machine start-up projects, sharing resources, and through check the event viewer to understand the computer all circumstances. And the client through the rapid download software on the server to provide the documents. Thus the enterprise network management to be further improved.
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Description: 快速查询控件:
1：快速查询控件2.0发布了。此快速查询控件，综合各查询控件的优势，取其精华弃其糟粕。
2.本控件生成的查询界面快捷，明了，直观，易查，易用。
3.本快速查询控件，在运行时不与数据库发生交付查询访问，即与数据一点联系都没有,消除了与数据库的访问负荷。用户可用sql profiler查看证实。而因不与数据库发生关系，故也与数据库连接接驱动程序无关。
4.本控件由于与数据库无关，则可应用于三层结构客户端的查询用。
5.可保存前一次查询条件以及在需要时进行多条件查询，使用方便，功能强大。-rapid query control : 1 : Query controls 2.0 release. This rapid query control, integrated control of the inquiry advantage, and absorb the essence of disposable dross. 2. The control interface inquiries generated quick, simple, intuitive, easily accessible, user-friendly. 3. The rapid query control, not at runtime and database inquiries delivery occurred visit that is, and data links are not 1:00, and the elimination of the database load the visit. Users can check sql profiler confirmed. And because the database does not have relations with, it has received and database connectivity drivers for unrelated. 4. Because of the control and unrelated to the database can be used in the three-tier structure of the client's inquiry. 5. Previous inquiries kept conditions and the necessary condi
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Description: Swilet是一个j2ee web表示层架构，可以帮助程序开发者在不需要掌握ajax或javascript知识的情况下，就能快速开发有ajax特性的网站应用。 Swilet将java Swing程序转换为j2ee web 程序。所以程序开发者可以利用现有的自己熟悉的开发工具，开发Swing程序，通过Swilet框架，将其转化为web程序。 Swilet支持swing中的大部分标准控件，包括一些在web中没有的控件。如动态读取节点的树控件、可以编辑的表格、分页tab控件、各种单选多选菜单等。而且这些复杂控件的使用，并不需要掌握额外的javascript、html、css等知识，只要您掌握了标准swing api中的这些控件的使用方法，这些控件就会自动呈现到html页面中-Swilet creates is a layer of the web said, to help developers master the need ajax javascript knowledge or circumstances, there will be rapid development ajax characteristics of Web applications. Java Swing Swilet procedures will be converted to procedure creates web. Therefore, developers can use their existing familiar with the development of tools to develop Swing procedures, through Swilet framework into its procedures for the web. Swilet swing support most of the standard controls, including some not in the web of controls. Readers such as dynamic node tree controls, can edit forms, tab tab controls various danxuan choose menu. But these complex controls, and not acquire additional javascript, html, css knowledge, as long as you master the standard api swing control of the use of thes
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Author: ma |
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Description: 远程反弹木马软件 主要功能：１、远程文件访问。包括文件上传、下载、文件。（夹）更名、文件删除、文件运行、文件查找、远程创建文件夹、远程清空文件夹等。 ２、远程关机、启动、注销、修改组织名、用户名。 ３、远程键盘记录、鼠标控制、锁定键盘鼠标、模拟特别键功能。 ４、远程注册表模拟器、快速注册表修改。 ５、远程消息发送、远程进程控制。 ６、远程查看剪贴板、当前活动窗体名、隐藏桌面图标、隐藏任务栏、隐藏开始按钮等。 ７、远程系统命令、远程ＤＯＳ命令。 ８、远程屏幕抓图（可保存为图片）。 ９、服务端自定义配置。可自行定义ＩＰ地址、连接端口、连接密码。 您可以根据自己的需要对该程序进行任意改 ＊ 注意：严禁用本软件进行非法使用，否则后果自行负责，作者概不对使用此软件造成的一切后果负责！！！ -Remote rebound Trojan software major functions : 1, remote file access. Including file upload and download documents. (SCH) renamed, deleted files, documents operation, document search, remote folder creation, distance to empty the folder, and so on. 2, remote shutdown, the launch, cancellation, change organizations, user name. 3, remote keyboard records, mouse control, lock keyboard and mouse to simulate the special function keys. 4, remote registry simulator, rapid changes registry. 5, remote messaging, remote process control. 6, remote View clipboard, current activities Form, and hide desktop icons, hide task bar, Start button, and other hidden. 7, remote system commands, remote DOS command. 8, remote screen From Wikipedia (saved as pictures). 9, since the definition of the server confi
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Author: 林封 |
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Description: Bezier贝赛尔函数集，包括贝赛尔形值点生成函数、贝赛尔控制点反算函数和汇编代码定点数快速生成函数等。-Bezier Bessel function set, including Bessel-value point generating function, Bessel control point anti-count function and compile code set points rapid generating function, etc..
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Author: 张劲书 |
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Description: 智能无线传感器网络综合了传感技术、嵌入式计算技术、现代网络技术、无线通信技术和分布式智能信息处理技术，将功能相同或不同的无线智能传感器构成网络化、智能化的传感器网络，大大提高了传感器的监测能力。基于智能无线传感器网络的实用监控系统采用中短距离、低功耗无线网络，射频传输成本低；可根据需要采用多种供电模式、节能效果好；可实现灵活的快速组网和自动配置，扩展性好；任意传感器之间可相互协调实现数据通信；能支持多种不同类型的传感器，适应性强。-smart wireless sensor networks of integrated sensor technology, embedded computing technology, modern network technology, Wireless communications technology and distributed intelligent information processing technology, will be the same or different functions of wireless smart sensor networks and intelligent sensor networks greatly increasing the sensor monitoring capabilities. Based on intelligent wireless sensor networks a practical control system uses short distance, low-power wireless network, RF transmission cost is low; may need to employ a variety of power supply mode, the effect of energy-saving; can be flexible, rapid and automatic network configuration, the expansion is good; arbitrary sensor coordination between data communication; will support a variety of different types of se
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Description: This article describes Atmel’s FingerChip technology for electronic fingerprint sensing that
combines the advantages of small size, low cost, high accuracy, zero maintenance, low energy
consumption and portability. This technology has applications in a wide range of fixed and
portable secured devices including access control systems, cash terminals, public transport, PCs,
PDAs, Smart Card readers and motor vehicles. It can be used in almost any situation where
rapid, reliable and accurate identification or authentication of an individual is required.-Atmel's FingerChi Health technology for electronic fingerprint sensi Vi that combines the advantages of small size, low cost, high accuracy, zero maintenance, low energy consumption and portability. This t echnology has applications in a wide range of fi xed and portable devices including secured d' ess control systems, cash terminals, public transport, PCs, PDAs, Smart Card readers and motor vehicles. It can be used in almost any situation where rapid, reliable and accurate identification or authe ntication of an individual is required.
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Author: chen |
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Description: 组态软件是指一些数据采集与过程控制的专用软件，它们是在自动控制系统监控层一级的软件平台和开发环境，使用灵活的组态方式，为用户提供快速构建工业自动控制系统监控功能的、通用层次的软件工具。组态软件应该能支持各种工控设备和常见的通信协议，并且通常应提供分布式数据管理和网络功能。-configuration software is some data acquisition and process control of the specialized software, They are in the automatic control system of a control layer software platform and development environment, the use of flexible configuration, to provide users with rapid construction of industrial control system monitoring function, general-level software tools. Configuration software should be able to support all kinds of industrial equipment and common communication protocol, normally should provide distributed data management and network functionality.
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Author: 戚艳芬 |
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Description: 鉴于传统波形发生器的不足，采用数字合成技术构成任意波形发生器，此波形发生器可以产生任意波形的周期信号，能灵活控制信号的频率幅值，相位，并在很宽的范围内快速切换频率，具有高分辨输出，运用DDS技术构建频率信号源，可获得连续精确调整的信号频率，幅值相位控制方便，存储容量大；AWG占微机系统资源少，通用性好，具有较强的移植性和很高的性能价格比。
研究的内容是利用数字频率合成技术构成任意波形发生器，且通过RS232串行接口传到PC，供PC机管理。
-in traditional waveform generator insufficient use digital synthesis techniques constitute arbitrary waveform generator, This waveform generator can produce arbitrary waveform cycle signal, the control signal flexibility in the frequency of the amplitude, phase, and the very broad scope of the rapid switching frequency, with high-resolution output, using DDS Construction frequency signal source, available for precise adjustment of the signal frequency, amplitude-phase convenient control, storage capacity; AWG for computer systems, fewer resources, common good, with a strong transplantation and high cost performance. The research project is the use of digital frequency synthesis technology constitute arbitrary waveform generator, and through the RS232 serial interface reached the PC for PC
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Author: 王启才 |
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