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[Delphi VCLSerialdebuggingassistant

Description: 串口调试助手(DELPHI版MSCOMM) 这是一篇设计方案及源码,对于学习串口编程的来说非常有帮助。 利用Delphi或C++作为开发工具,根据SPCOM或MSCOMM控件、PCOMM.DLL等,设计出一串口调试助手,要求在不同计算机之间实现串口间数据通信,并以此为基础,实现对不同数据格式间的转换功能。 要求: 1、串口通信。 2、数据格式。 3、系统软件(Delphi7.0)。-Serial debugging assistant (DELPHI version MSCOMM) This is a design and source code for the study of serial programming is very helpful. Using Delphi or C++ as a development tool, according to SPCOM or MSCOMM control, PCOMM.DLL and so on, the design of a serial debugging assistants required between different computer serial data communications, and on this basis, the realization of the different data conversion between formats. Requirements: 1, serial communication. 2, data format. 3, system software (Delphi7.0).
Platform: | Size: 7168 | Author: Solonet | Hits:

[Software EngineeringTheAnalysisandDesignofonIineEducationsystem

Description: 随着 计 算 机的普及和web技术的迅速发展,人类迈入信息时代,终身教育 及终身学习的重要性被越来越多的人所认识和接受。面对迅速增长的学习需求及 其对传统教育模式的挑战,以面对面教育为主的传统教育方式已越来越不能满足 人们的需要,而伴随计算机网络和通信技术发展起来的现代化远程教育成为网络 研究与应用的热点之一。 本文 设 计 开发了一个基于ASP及其组件技术的在线教育系统,并讨论了如 何利用该系统实现高职高专教学中“2+l”人才培养模式的网上教学。-With the popularity of computers and the rapid development of web technology, mankind has entered the information age, life-long education and the importance of lifelong learning to be more and more people know and accept. Faced with rapid growth and its impact on the learning needs challenge the traditional mode of education to traditional face-to-face education education has become increasingly unable to meet the needs of the people, and with computer networks and communication technology to develop modern distance education has become network research and application of one of the hot spots. In this paper, a design and development of component technology based on the ASP online educational system, and discussed how to use the system to achieve higher vocational education in the " 2+ l" training of the e-learning mode.
Platform: | Size: 2446336 | Author: rosenfan | Hits:

[Linux-Unixtxin

Description: linux系统的shm.c等源码文件,熟悉linux系统的消息通信机制;基于共享存储区的进程间通信的设计-shm.c systems such as linux-source documents, familiar with the linux system message communication mechanism based on the shared storage area of the design-process communication
Platform: | Size: 111616 | Author: 朱可可 | Hits:

[DSP programDSPFPGA

Description: 针对电梯数据采集数目较多和数据处理复杂等特点,提出了基于数字信号处理器(DSP)和现场可编程门阵列(FPGA)的电梯智能数据采集系统。在介绍了系统整体结构及各组成子模块后,给出了模块与器件之间硬件接口设计思路和架构,描述了整个系统的软件框架,设计了DSP、AD采样、网络通信和抗干扰等程序。整个系统在工程应用中易于实现,具有很好的推广价值-n accordance with the characteristic of elevator for the large number of data acquisition and handling data complicated, an el- evator data acquisition system based on digital signal processor (DSP) and field programmable gate array (FPGA) is given. After system structure and modules are introduced, the design of interfaces of the hardware and framework between modules and devices are provided, the software design used in the system is described, the DSP, AD sampling, network communication
Platform: | Size: 179200 | Author: 将建 | Hits:

[OthercommunicatonbasedcurrculumdesignprinciplesystemVie

Description: 课程设计,基于通信原理的课程 设计,使用了SYSTEM VIEW软件-Curriculum design, communication-based curriculum design principles, the use of the software SYSTEM VIEW
Platform: | Size: 387072 | Author: fanfansss | Hits:

[File FormatBS_CWSPC

Description: 利用了虚拟仪器技术,研究设计了一套自动测温、测转速系统。该系统能够对温度、电机转速进行精确测量。本设计有效运用了基于LabVIEW的虚拟仪器技术、单片机数据采集技术、单片机信号处理技术以及单片机串口通讯技术,将诸多重要步骤都在配备硬件的普通PC电脑上完成,使得整个测量技术变得简单明了。通过对本系统的研究,我充分考虑到了实际需求,重点讨论了系统具体实现功能的设计、硬件设计和软件设计。设计完成的平台具有对温度转速的快速测量、自动显示等特点。-Use of virtual instrument technology, research and design a set of automatic temperature measurement, speed measurement system. The system is capable of temperature, accurate measurement of motor speed. The design of effective use of the LabVIEW-based virtual instrument technology, single-chip data acquisition technology, single-chip signal processing technology, as well as single-chip serial communication technology, will be an important step in a lot of hardware in the ordinary PC equipped with a computer to complete, making the entire measurement technology has become simple and clear. Through this system, I fully take into account the actual needs, focusing on the specific realization of the system functional design, hardware design and software design. The platform design is completed with the rapid speed of the temperature measurement, automatic display and so on.
Platform: | Size: 4096 | Author: 杨俊 | Hits:

[Embeded-SCM DevelopVisualtrackerautomatically

Description: 本文研究的是设计一个控制系统,用固定在云台上的摄像头来跟踪运动目标。具体包括硬件设计和软件编程。利用计算机、摄像机、图像采集卡、步进电机驱动器和步进电机等硬件设备设计一套视觉自动跟踪系统,利用VC++实现上位机串口通信程序;利用KeilC51实现下位机的控制功能-This paper is to design a control system, using a fixed camera in the head Yuntai tracking moving targets. Including hardware design and software programming. The use of computers, cameras, frame grabbers, stepper motor and stepper motor drives and other hardware to design a visual tracking system, using VC++ realization of PC serial communication procedures use KeilC51 lower the achievement of the control machine
Platform: | Size: 419840 | Author: 杨俊 | Hits:

[Software Engineeringsoftware

Description: 分析其实时多任务软件设计。在介绍通信服务器功能结构的基础上,详细分析了系统的功能模块划分、数据流向、多任务划分、任务优先级确定、任务间通信方式的确定以及软件的编码测试过程。软件设计过程充分考虑通信服务器本身的特殊性,同时利用VxWorks多任务抢占式调度和时间片轮转调度的特性,以及丰富的任务间通信机制,有效地保证了系统的实时性。-Analysis of real-time multi-tasking software design. In introducing the communication server based on the structure of a detailed analysis of the function of the system modules, data flow, multi-task division, task priority identification, the task of inter-communication as well as software code to determine the testing process. Software design process itself fully into account the specificity of communication servers, while the use of VxWorks multi-tasking preemptive scheduling and time slice scheduling rotation characteristics, as well as a wealth of inter-task communication mechanisms, effectively ensure the system' s real-time.
Platform: | Size: 139264 | Author: Cindy | Hits:

[SCMGSM

Description: 本文通过对现代远程通信方式的讨论,提出了利用现有GSM网络的短消息业务实现的远程通信的种种优势,并将这种方式应用于本设计系统。采用先进的GSM通信模块和单片机互连的终端系统,通过AT指令,实现了数据的发送。在PC机端,通过VB编程实现人机友好交互界面,通过连接GSM模块实现接收终端发出的数据的功能。文中论述了GSM系统的组成结构、主要业务,重点介绍了短消息业务的特点、结构等方面,并基于此建立了整个系统。详细介绍了系统主要硬件组成部分及其作用,给出了整个系统软件流程图和部分子程序流程图。介绍了该技术的应用前景和推广价值。而且提出了本系统尚需解决的一些问题,并给出了可能解决这些问题的途径和方法。但是由于利用短消息业务存在时延等问题,本文基于此还提出了另一种基于GPRS的系统方案。介绍了GPRS的业务特点,网络结构等方面,并给出了整个系统设计.-Based on the modern long-distance means of communication to discuss the proposed use of the existing GSM network Short Message Service to achieve the various advantages of long-distance communications, and in this way the system used in this design. The use of advanced single-chip GSM communication module and the interconnection of the terminal system, through the AT command, the realization of the data sent. In the PC-side, through the VB program to achieve a friendly man-machine interface, through the GSM module to connect terminals to receive data sent. In this paper, the structure of GSM system, the main business focuses on the characteristics of SMS, structure, and based on the establishment of the whole system. Details of the hardware components of the system and its role, given the entire system software flowchart flow chart and some subroutines. Introduced the technology and promote the value of prospects. But the system still need to be put forward to solve some of the problem
Platform: | Size: 350208 | Author: asus | Hits:

[Communication-MobileMBI

Description: UWB脉冲设计与窄带干扰抑制 为了避免对频带内已有的窄带通信系统造成干扰,在进行波形设计时,如果能使UWB脉冲在干扰频带内的能量下降,即在窄带通信系统的工作频带内实现陷波,则可达到抑制窄带干扰的目的。-UWB pulse design and narrow-band interference suppression in order to avoid the narrow band communication systems has been caused by interference, in waveform design, if the UWB pulse can interfere with the band in the energy decline, that is, in the narrow-band communications system to achieve Notch can be inhibited to achieve the purpose of narrow-band interference.
Platform: | Size: 51200 | Author: 刘卫菠 | Hits:

[Windows DevelopI-3

Description: 设计单片机系统板与PC机之间的串行通信电 路,编写与PC机进行串行通信的程序建立通 信联系。-Design of single-chip microcomputer system with PC-board serial communication between the circuit and PC machines for the preparation of serial communication procedures to establish communication links.
Platform: | Size: 9216 | Author: CUIGUANGYU | Hits:

[Modem programRIL

Description: Ril设计思想解析目前的智能机在硬件上多采用双cpu的架构,一个是基带处理器,主要处理数字信号、语音信号的编码解码以及GSM通信协议,另一个是应用处理器,运行操作系统和各种应用程序。基带处理器、射频和其它外围芯片作为一个模块,成为GSM/GPRS modem,提供AT命令接口。网络的应用已经是一个需求的热点,而目前的GSM模块大多都能支持GPRS功能。应用处理器通过AT命令集与带GPRS功能的无线通讯模块通信,为实现网络的应用提供了一个最底层的支持。-Ril intelligent design idea machine parsing the current hardware architecture more than a dual cpu, one baseband processor, the main digital signal processing, speech signal encoding and decoding as well as the GSM communication protocol, and the other is the application processor, running the operating system and a variety of applications. Baseband processor, radio frequency, and other peripheral chips, as a module, a GSM/GPRS modem, to provide AT command interface. Network application is a demand for hot spots, while most of the current GSM module can support GPRS functionality. Application processor through the AT command set and with GPRS-enabled wireless communication module communications, network applications in order to achieve one of the most underlying support.
Platform: | Size: 194560 | Author: 黄勇 | Hits:

[SCM20090903FPGA

Description: 传统的波形发生器采用模拟技术的方法,这种方法构成的波形发生器电路结构复杂,仅能产生正弦波、方波、锯齿波和三角波等几种简单波形。而现在在高科技领域,我们需要的可能是一些任意波形,如在保密雷达发波等军事方面和地震波形、汽车碰撞波形等模拟仿真应用方面。任意波形发生器现在被广泛用于自动控制系统、振动激励、仪器仪表领域。我国目前在这方面还比较落后,特别是在用DDS技术实现任意波形发生器方面。本课题我们打算用DDS技术基于FPGA核心板设计一个任意波形发生器。该仪器我们用LabVIEW来写的控制面板实现与FPGA的通信,实现任意波形数据的采集,并具有良好的人机交互界面。用液晶显示屏显示波形的幅度和频率。用4×4键盘控制相关波形的输出。用AD和低通滤波电路实现数电到模电的转换-The traditional waveform generator adopts the method of simulation technology, this kind of method constitute the waveform generator circuit structure is complex, can only produce sine and square-wave, sawtooth wave and triangular several simple waveform. And now in the high-tech fields, we may need some arbitrary waveform is, as in LeiDaFa confidential military aspects and seismic waves, automobile collisions wave wave simulation application. Arbitrary waveform generator is now widely used in automatic control system, vibration, instruments field. At present in this respect, especially in still lag behind with arbitrary waveform generator DDS technology. This task we intend to use DDS technology based on FPGA core board design an arbitrary waveform generator. The instrument to write with LabVIEW, we realize the control panel and FPGA communication, realizing arbitrary waveform data acquisition, and has good human-machine interface. With LCD display wave amplitude and frequency. Use 4
Platform: | Size: 532480 | Author: zhangying | Hits:

[GIS programMAPX

Description: 从GPS 技术的定位理论出发, 结合基于GPS 技术的车辆监控管理系统来介绍GPS 接收机与GIS 信息软件 之间的通信原理。并利用M ap InfoM asX 控件在V isualBasic 开发环境中实现了GPS 信息的接收与在GIS 中显示接 收信息的程序设计, 从而示范了常见GPS 应用的主要开发过程和关键部分技术实现细节-From the GPS positioning technology, theory, combined with GPS-based vehicle monitoring and management system to introduce the GPS receivers and GIS software, the communication between the information theory. And use M ap InfoM asX control in the V isualBasic development environment to achieve the GPS information displayed in the reception and receive information in the GIS program design, which demonstrated the common GPS applications, the major part of the technology development process and key implementation details
Platform: | Size: 173056 | Author: 汪南 | Hits:

[VHDL-FPGA-VerilogActelFPGA_HE_ApplicationNote

Description: 在手持式设备的应用中(包括智能电话、相机和 MP3 播放器),用户大多考虑低功耗、 小尺寸,整个系统中除了处理器外,往往需要提供多种通信接口与存储器接口,用于实现对 硬盘、SD 卡、CF 卡以及 USB 的通信等,用 FPGA 来实现这些接口将会是一种理想的解决 方案。本方案采用 Actel 低功耗的 IGLOO 系列作为处理器(PXA270 或 ARM)的桥接器件和 设备控制器,不仅能够大大简化处理器设计的复杂度,而且 IGLOO 的超低功耗 (最小 5μ W)以及超小封装(4mm*4mm)给手持式产品带来了前所未有的。 -In the application of handheld devices (including smart phone, camera and MP3 players), users are considering low-power, Small size, the whole system in addition to the processor, usually need to provide various communication interface and storage interface, used to implement Hard disk, SD card, CF card and USB communication, etc, to realize these interfaces with FPGA will be an ideal solution Scheme. The scheme adopts Actel IGLOO of low power consumption PXA270 processor (series as a bridge or ARM) devices and Equipment controller, can not only greatly simplified, and the complexity of the processor design IGLOO of low power consumption (minimum 5 mu W) and small package (4mm 4mm*) for handheld product has brought an unprecedented.
Platform: | Size: 242688 | Author: zxx359654879 | Hits:

[Windows Developmailslot

Description: 在邮槽建立的简单的客户机/服务器设计体系中,数据只能从客户机传到服务器,数据通信是单向进行的。服务器进程的职责是创建一个邮槽,而且是能从邮槽读取数据的唯一一个进程。邮槽客户机进程则负责打开邮槽的"实例",该进程是能够向其中写入数据的唯一一种进程。 -In the mail slot to establish a simple client/server design system, the data can only be transmitted from the client server, data communication is carried out in a one-way. Server process is responsible for creating a mail slot, but also to read data from the mail slot only a process. Mail slot client process is responsible for the mail slot to open the " instance" , the process is able to write to only a process.
Platform: | Size: 3072 | Author: 李洋 | Hits:

[JSP/Java08

Description: 开发企业门户网站的最终目的是为企业提供一个简单、易用、开放、可扩展的企业信息门户平台。通过需求分析以及与客户的沟通,现制定网站实现目标如下: 网站使用人性化设计,界面友好、安全、实用。 网站操作便捷并具有高度信息延续性、可扩展性。 提供建立在关系型数据库系统上的数字信息组织、管理、查询等功能。 对用户输入的数据进行严格的数据检索,尽可能地排除人为错误。 最大限度地实现网站易维护性和易操作性。-Development enterprise portals The ultimate goal is to provide enterprises with a simple, easy to use, open and scalable platform for enterprise information portal. Through needs analysis, as well as communication with customers is to develop web site to achieve the following objectives: the use of user-friendly Web site design, user-friendly, safe and practical. Web site and have a high degree of information on an easy-continuity and scalability. Provides a relational database system based on digital information on the organization, management, query and other functions. User input data to the strict data retrieval, as much as possible to exclude human error. To maximize the site easy to maintain and ease of maneuverability.
Platform: | Size: 1626112 | Author: 刘正山 | Hits:

[JSP/JavaEnterpriseInvoicingManagementSystem

Description: 系统介绍 根据需求分析的描述以及与用户的沟通,统实现目标如下:  界面设计简洁、友好、美观大方。  操作简单、快捷方便  数据存储安全、可靠。  信息分类清晰、准确。  强大的查询功能,保证数据查询的灵活性。  提供销售排行榜,为管理员提供真实的数据信息。  提供灵活、方便的权限设置功能,使整个系统的管理分工明确。  对用户输入的数据,系统进行严格的数据检验,尽可能排除人为的错误。 -Needs analysis system introduced according to the description, as well as with the user' s communication, integration to achieve its objectives are as follows:  interface design simple, friendly, beautiful and generous.  simple, fast and convenient data storage  safe and reliable.  information classification clear and accurate.  powerful query capabilities to ensure data query flexibility.  provides sales list, for administrators real data.  provide a flexible, convenient access settings, enabling the management of the whole system clear division of labor.  on the user input data, strict data validation system, as much as possible to exclude human error.
Platform: | Size: 2281472 | Author: 张伟 | Hits:

[Software Engineeringprofinet

Description: 工业网络协议的设计是网络控制系统分析和设计的重要内容. 网络诱导的延时值越小, 则越有利于系统的稳定和控制 算法的设计. 在工业以太网络通信协议( IECP) 模型中, 工业通信协议一般建立在传输层或是应用层. 通过工业通信模式、数据 报和IECP 通信程序, 详细介绍了IECP 的设计. 提出了网络协议的性能指标,-Industrial network protocol is designed to network control systems analysis and design of important content. The smaller the value of network-induced delay, the more conducive to stability of the system and control algorithm design. In the industrial Ethernet network communication protocol (IECP) model industrial communication protocol generally based on the transport layer or application layer. through industrial communication mode, data reporting and IECP communication program, described in detail IECP design. proposed network protocol performance indicators,
Platform: | Size: 453632 | Author: 小矮人 | Hits:

[Internet-Networkcs

Description: Debug较大,不得于上传,已删。下载的朋友可自行运行得到exe文件。 系统是实现一个有图形界面的网络聊天室,是基于面向连接的流式通信协议TCP。该系统是利用VC++6.0进行较复杂的网络编程,完成网络聊天室的设计及编写。C++语言有SOCKET套接字,基于TCP/IP的通信基本上都是利用SOCKET套接字进行数据通讯,程序一般分为服务器端和客户端两部分。-System is to achieve a graphical interface, online chat rooms, is based on connection-oriented streaming protocol TCP. The system is to use VC++6.0 for a more complex network programming to complete the Internet chat room design and preparation. C++ language SOCKET socket, based on TCP/IP communications are basically the use of SOCKET socket for data communication, the program is generally divided into server-side and client-side in two parts.
Platform: | Size: 58368 | Author: 林涛 | Hits:
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