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Connectivity

連通性是‘點集拓撲學’中的基本概念,把‘連通性’定義如下:對于拓撲空間X,(1)若X中除了空集和X本身外,沒有別的既開又閉的子集,則稱此‘拓撲空間X是連通的’。(2)若E作為X的子空間,E在誘導拓撲下是可連通的,則稱拓撲空間X的子集E,是連通的。
  • Programming.PC.Connectivity.Applications.for.Symbian.OS 是一本講述symbian手機與PC通信的書籍,symbian編程必看的書

    Programming.PC.Connectivity.Applications.for.Symbian.OS 是一本講述symbian手機與PC通信的書籍,symbian編程必看的書

    標簽: symbian Connectivity Applications Programming

    上傳時間: 2014-11-06

    上傳用戶:爺的氣質

  • MENTOR_EE2005_SP3_官方教材

    MENTOR_EE2005_SP3_官方教材 準備開始使用Expedition Enterprise..........................................................................5 1.1 練習數據準備.........................................................................................................5 1.2 EE用戶界面介紹....................................................................................................5 2. 原理圖輸入工具DxDesigner的基本操作和配置.......................................................7 2.1 選擇和激活練習項目.............................................................................................7 2.2 打開原理圖.............................................................................................................8 2.3 項目配置.................................................................................................................8 2.4 基本操作...............................................................................................................11 3. 開始原理圖設計.........................................................................................................14 3.1 新建原理圖頁.......................................................................................................14 3.2 放置器件...............................................................................................................14 3.3 放置Net以及BUS.................................................................................................17 3.4 使用CSE(Connectivity Spreadsheet Editor) .........................................18 3.5 Expedition Cell Preview ..................................................................................21 3.6 查找網絡和器件...................................................................................................22 4. 把原理圖數據轉換為PCB數據以及數據更新.........................................................23 4.1 查找原理圖中的錯誤...........................................................................................23 4.2 器件Package錯誤,建庫錯誤...........................................................................25 4.3 把CDB數據Forward到Expedition中...............................................................26 4.4 ECO-工程更改...................................................................................................28 5. Expedition用戶界面和常用操作介紹.......................................................................30 5.1 Expedition PCB用戶界面.................................................................................30 5.2 常用操作...............................................................................................................34 6. 設計規則輸入及管理-CES......................................................................................

    標簽: MENTOR_EE 2005 SP 教材

    上傳時間: 2013-06-04

    上傳用戶:ccsp11

  • Employing a Single-Chip Transceiver in Femtocell Base-Station Applications

    Abstract: This application note discusses the development and deployment of 3G cellular femtocell base stations. The technicalchallenges for last-mile residential Connectivity and adding system capacity in dense urban environments are discussed, with 3Gfemtocell base stations as a cost-effective solution. Maxim's 3GPP TS25.104-compliant transceiver solution is presented along withcomplete radio reference designs such as RD2550. For more information on the RD2550, see reference design 5364, "FemtocellRadio Reference Designs Using the MAX2550–MAX2553 Transceivers."

    標簽: Base-Station Applications Single-Chip Transceiver

    上傳時間: 2013-11-07

    上傳用戶:songrui

  • Employing a Single-Chip Transceiver in Femtocell Base-Station Applications

    Abstract: This application note discusses the development and deployment of 3G cellular femtocell base stations. The technicalchallenges for last-mile residential Connectivity and adding system capacity in dense urban environments are discussed, with 3Gfemtocell base stations as a cost-effective solution. Maxim's 3GPP TS25.104-compliant transceiver solution is presented along withcomplete radio reference designs such as RD2550. For more information on the RD2550, see reference design 5364, "FemtocellRadio Reference Designs Using the MAX2550–MAX2553 Transceivers."

    標簽: Base-Station Applications Single-Chip Transceiver

    上傳時間: 2013-11-05

    上傳用戶:超凡大師

  • 賽靈思電機控制開發套件簡介(英文版)

      The power of programmability gives industrial automation designers a highly efficient, cost-effective alternative to traditional motor control units (MCUs)。 The parallel-processing power, fast computational speeds, and Connectivity versatility of Xilinx® FPGAs can accelerate the implementation of advanced motor control algorithms such as Field Oriented Control (FOC)。   Additionally, Xilinx devices lower costs with greater on-chip integration of system components and shorten latencies with high-performance digital signal processing (DSP) that can tackle compute-intensive functions such as PID Controller, Clark/Park transforms, and Space Vector PWM.   The Xilinx Spartan®-6 FPGA Motor Control Development Kit gives designers an ideal starting point for evaluating time-saving, proven, motor-control reference designs. The kit also shortens the process of developing custom control capabilities, with integrated peripheral functions (Ethernet, PowerLink, and PCI® Express), a motor-control FPGA mezzanine card (FMC) with built-in Texas Instruments motor drivers and high-precision Delta-Sigma modulators, and prototyping support for evaluating alternative front-end circuitry.

    標簽: 賽靈思 電機控制 開發套件 英文

    上傳時間: 2013-10-28

    上傳用戶:wujijunshi

  • 基于EZ-USB的數據傳輸接口設計

    利用EZ-USB接口芯片AN2131Q實現了基于TMS320C5409的水聲信號采集及混沌特性研究系統中的高速數據通信,提出了一種采用FIFO緩存芯片實現AN2131Q與TMS320C5409的連接方法,深入研究了EZ-USB序列接口芯片的固件、設備驅動和用戶程序開發過程。關鍵詞:AN2131Q; TMS320C5409; IDT72V02;數據通信ABSTRACT: Using AN2131Q as the control chip, the communication between DSP and PC in the underwater acoustic signal acquisition and chaotic characteristics study system is realized. The method is proposed that using FIFO to realize the Connectivity between AN2131Q and TMS320C5409. The development of programming Firmware、device driver and user application are thoroughly researched.Key words: AN2131Q; TMS320C5409; IDT72V02; data communication

    標簽: EZ-USB 數據傳輸 接口設計

    上傳時間: 2014-04-03

    上傳用戶:hahayou

  • Blaster is a simple application that illustrates Windows NT 5.0’s support of the IrDA protocol. IrDA

    Blaster is a simple application that illustrates Windows NT 5.0’s support of the IrDA protocol. IrDA provides reliable point to point Connectivity between 2 computers equipped with infrared

    標簽: IrDA application illustrates protocol

    上傳時間: 2015-03-29

    上傳用戶:Thuan

  • JBoss, one of the leading java Open Source groups, integrates and develops these services for a full

    JBoss, one of the leading java Open Source groups, integrates and develops these services for a full J2EE-based implementation. JBoss provides JBossServer, the basic EJB container, and Java Manage Preface 18 Great Events of the Twentieth Centuryment Extension (JMX) infrastructure. It also provides JBossMQ, for JMS messaging, JBossTX, for JTA/JTS transactions, JBossCMP for CMP persistence, JBossSX for JAAS based security, and JBossCX for JCA Connectivity. Support for web components, such as servlets and JSP pages, is providedby an abstract integration layer. Implementations of the integration service are provided for third party servlet engines like Tomcat and Jetty. JBoss enables you to mix and match these components through JMX by replacing any component you want with a JMX compliant implementation for the same APIs.

    標簽: integrates develops services leading

    上傳時間: 2014-11-03

    上傳用戶:wsf950131

  • 內附詳細的源代碼和文檔《深入淺出LabVIEW數據庫應用》

    內附詳細的源代碼和文檔《深入淺出LabVIEW數據庫應用》,不懂數據庫的工程師也可以玩轉數據庫,因為從應用的角度來看,我們的實際需求僅僅是數據的保存、修改、刪除和查詢,根本不需要去研究復雜的關系模型、抽象的關系代數、艱深的數據庫設計…那基本與我們的初始目標南轅北轍。借助LabVIEW 數據庫鏈接工具包(Database Connectivity toolkit)可以站在應用的層次,很方便的操作數據庫,實現數據的保存、修改、刪除和查詢等功能。

    標簽: LabVIEW 源代碼 文檔 數據庫

    上傳時間: 2013-12-01

    上傳用戶:Shaikh

  • 從vc連接到oracle數據庫。包括連接

    從vc連接到oracle數據庫。包括連接,-from vc connected to the oracle database. Including Connectivity,

    標簽: oracle 連接 數據庫

    上傳時間: 2016-03-27

    上傳用戶:wab1981

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