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Labview Core II官方教材

于 2020-12-09 发布
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这是NI的官方收费培训:labview core2的官方教材,手工扫描的D.为设计模式设置定时执行定时总结一测验答案1.状态机是设计模式的范例。78-0a)对软件控制定时?NATIONALINSTRUMENTSniconwhina training总结一测验答案总结一测验答案2.下列哪项或哪几项为使用多循环模式的原因?3.软件控制定时能够为处理器提供处理其它任务的a)同时执行多个任务时间。b)通过状态机执行不同的状态c)以不同的速率执行任务d)执行开始代码、主循环和关闭代码)INSTIIONALNALRUMENTSn. comchinastrainingUMENTSni.comichinaitraining第2课同步技术第作的A变量(预览)做日·与前面板输入控件/显示控件关联位于同一计算·与具有前面板,但不存在程序框图的特殊机上的多个Ⅵ全局Ⅵ关联主题动全期位于一计算·使用带有未初始化的移位寄在器的Whe机上的多个Ⅵ环实现,移位寄存器用于存储全局数据A.变量(预览)位于同一计算·使用项目中的项日库实现B.通知器机上的多个Ⅵ·便于转换为网络发布共享变量C.队列以太网使用项目中的项目库实现通常用于与实时终端通信INStRumEnTsIn.comichinatraining小环们花冲B队同步需求B.通知器变量常用于在并行处理过程中传递数据通知器操作函数用于挂起一个程序框图的执行,直使用变量会破坏LabⅥEW的数据流模式,到从另一个Ⅵ或程序框图的另一部分中取得数据。从而可能引发竞争状态。与通过连线传递数据相比,占用系统开销更大获取诵知等发送通知取消涵知8通知器专的等待通知等待多个通知念 NATIONALINSTRUMENTSI ni. comlchi的选an像INATIONALai.comichinatraining主/从设计模式通知器一优势使用通知器在并行循环间传输数据具有下列优点:·两个循环均被同步为与主循环一致一从循环且仅在主循环发出通知时执行器装题·通知器可用于创建全局可用数据,从而使发送带通知器的数据成为可能·使用通知器创建有效代码一无需通过轮询确定主循环的数据何时可用岁判解装别如A1单91mm不)instRUmeNtS InI.ComIChiNaltrainIng通知器一缺点C.队列通知器不缓存数据队列与通知器类似,但队列可存储多个数据·如主循环在从循环读取第一份数据前发送艻一份默认情况下,队列以FFO(先进先出)方式执行数据,原有数据将被覆盖并丢失如需处理排列为队列的数据,请使用队列如仪需处理当前数据,请使用通知器NATIONALINSTRUMENTSnicosichina trainingnicomichinaatrsc.队列生产者/消费者设计模式(数据)队列操作函数可为在程序框图的不同部分或其它Ⅵ望需重间通信的数据创建队列证[魏率[看获队人用元常入队列我队元章获队列大态释队列用有损耗元家队列最璃,元出列清空队人列PinsTRUmEnTsInL.ComLcHiNaTraininGIinstrUMenTs i ni.cOm/cHInalTrAining总结一测验答案总结一连线答案1.下列哪项或哪几项无法缓存数据?1.获取队列引用a)通知器a.销毁队列引用b)队列b.分配队列的数据类型c)全局变量2.获取队列状态c.在队列后端添加元素d)局部变量3.释放队列引用d.确定当前队列中的元9素数量4.元素入队列NATIONALNSTRUMENTs ni comichinatsainingpRUMENTS nicom/chinaitraining总结一测验答案3.卜列哪项或哪儿项为队列和通知器的有效数据类型?a)字符串b)数值c)枚举d)布尔数组e)一个字符串簇和一个数值NATIONALINSTRUMENTSsi. com/caina ng第3课A.事件事件编程生的异主题事件可来自用户界面、外部1O或程序的其它部分A.事件B.事件驱动编程C.说明和建议事作驱动编程一种编法,程序在我D.基于事件的设计模式个事件发生) INSTRUMENTs I nicomechinatrainingNATIONALINSTRUMENTSRicomchinatraintB.事件驱动编程事件结构组成部分事件结构超时事件选择器标签事件选择器标签进知和过滤事件识别当前查看的事件分支配骂和使用事件结构·超时一等待某个1:“新建按钮”:鼠标按下?事件注册和面板锁定事件发生的事件:默认值为-1,即永不超时)INSTRUMENTS Ini. eamichinaistaining事件结构组成部分(续)通知和过滤事件事件数据节点事件数据节点事件过滤节点通知事件识别事件发生·用户操作已经发生时 LabVIEW提供的数据;与按LabVIEW已处理了事件干“建按钮鼠标按下?名称解除捆绑·仅用于事件数据节点函数类似事件过滤节点过滤事件识别在事件数·用户操作已经发生据节点中,事LabVIEW尚未处理事件件分支可修改允许用户覆盖事件的默认动作的部分数据可用于事件过滤节点和事件数据节点NATIONALSTRUMENTS nl. com/chinatrainingINSTRUMENTSni.com/chinaftraining事件结构配置事件结构通常用于Whle循环序—新田“偏改变每次循环仅处理一个事件吧明和提示建友钮无事件发生时休眠结祗取消茎理程序相图出除事件结构本分支所理的事件复料事件分支右键单击事件结构边框,从快捷菜单分选择编辑分支所处理的事件,使用对话框薰分配置事件PhNATIONALNstrUmeNtsni.comichinatrainingNATIONALINSTRUMENTSni.comchinatraining到食?(是B中,而中出比,个出得通知和过滤事件事件注册和面板锁定事件键鼠标→通知事件(绿色箭头)运行Ⅵ时, LabVIEW会自动注册通过编辑事件对话鼠标按下用户操作已经发生框配置的事件鼠标按下?鼠标进入·事件注册后被放入队列,直至事件结构配置为执鼠标离开过滤事件(红色箭头)行该事件鼠标移动鼠标释放用户已经执行操作,但尚未处理事件不会错过事件或打乱事件的顺序多拖曳允许用户自定义事件处理。快捷菜单·默认状态下将锁定前面板至事件处理结朿用户可禁用锁定前面板,但仅限通知事件贴等饮Ⅵ进入空闲状态时将取消事件注册VINSTRUMENTSni com/chinasrainingNATIONALTRUMENTSni. com/chinaltrainingC.说明和建议C.说明和建议完整列表,见 LabVIEW帮助主题:在 ab VIEW中使用件的说明和建议使用值改变事件检测值的改变无论用户如何修改输入控件,值改变均生成事件触发布尔控件书键盘快捷键、增量减量按钮和在数字显示框内,使用控件接线端必须位于事件分支内部,机械动作才能键盘输入数值正确执行保持事件处理代码简洁快速通过编程更新前面板如果代码执行时间过长,可锁定用户界如使用Ⅵ服务器或变量,以编程的方式改变前面板Ⅵ和对象, LabvIEw就不会生成事生特例:值(信号)属性INStRumEnTsIni.comichinaltrainingIONALTruMentSni.com/chinatraininD.基于事件的设计模式用户界面事件处理器用户界面事件处理器使用用户界面事件处理器生产者/消费者(事件)设计模式监听下列事件,移动单击鼠标或按下按健用户界面事件不影响程序的交互性,使处理器的开销降为最小) nNATIONALINSTRUMENTs ni. com china/rainngNATIONALNSTRUMENTSni. comichinaftraiaing生产者消费者(事件)总结一测验答案优势1.使用用户界面事件可使前面板用户操作与程序框对用户界面实图执行同步。现有效的异步响应对队列可传递任b)错意数据类型NATIONALInStruMenTsni.comichinahtrainingNATIONALNSTRUMENTSal. comlchinaftraining总结一测验答案总结一测验答案2.事件结构每次执行时仅能处理一个事件3.下列哪项或哪几项为用户界面事件范例?a)对a)鼠标点击b)错b)键盘按键c)事件过滤节点d)控件值改变)instRUmeNTsInI.ComIChiNaTtrainIngANATIONALISTRUMENTSn com/chinatraining总结一测验答案4.下列哪项或哪几项操作可生成数值输入控件的值改变事件?a)单击数字显示框,然后从键盘输入数值b)单击增量或减量按钮。c)将鼠标置于需改变的数字的右侧,然后在键盘上按向上或向下箭头键d)使用局部变量改变数值输入控件的值PiANATIONALINSTRUMENTS ni com china training10

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    5G无线通信系统关键技术(剑桥大学出版社) 2017年出版 对于5G所有最新技术进行了详细说明 很全的工具书Key Technologies for5G Wireless SystemsVINCENT W. S, WONGUniversity of British ColumbiaROBERT SCHOBERUniversity of Erlangen-NurembergDERRICK WING KWAN NGUniversity of New South WalesLI-CHUN WANGNational Chiao-Tung University即CAMBRIDGEUNIVERSITY PRESSCAMBRIDGEUNIVERSITY PRESSUniversity Printing House. Cambridge CB2 SBS. United KindomOne Liberty Plaza, 20h Floor New York, NY I(H0X, USA477 williamstown Road, port Melbourne, yic 3207 australia48424, 2nd Floor, Ansar Rod, Daryaganj. Delhi- I l4XH2, India79 Anson Road, #o6-(/ 00, Singapore 079%MCambridge University Press is part of the Lniversity of CambridgeIt furthers the University s mission by disseminating knowledge in the pursuit ofeducation, leaming and research at the highest international levels of excellence.www.cermbrid吧eInformtiononthistitlewww.cambridgeorg/978110713241810,1017③781316771655C Cambridge University Press 2017This puhlication is in copyright. Subjcct to sututonry exceptionand to the provisions of relewant collective licensing agreementsno reproduction of any part may take place without the writtenpermission of Cutmbridgre University Press.First published 2(117Printed in the United Kingdom by TJ International Ltd. Padstow, CornwallA catalogue recor for this pudlieafiove is aailable fromm the British LibraryLibrary of Congress Cataloging- in Pi hlicaiomz dataNames: Wong, Vincent W.S., editorTitle: Key technologies for 5G wireless systems/edited by Vincent W.S. Wong [and 3 otherOther titles key technologies for five g wireless svstemsDescription: Carmbrisige: New York, NY: Cambridge Lniversity Press, 2017.Identifiers: l CCN 2016045220)1 ISBN 9781 172418 (hardback)Subjects: LCSH: Wireless communication systems, I Machine-to-machinecommunications. Internet of things.Classitication: LCC TKs1032K49 2(17 DDC 621.38450-dc23LcrecordavailaBleathttps://lccnioc-gov/2016m5220)ISBN 978-1-107-17241- HardbackCambridge University Press has no responsibility for the persistence or accuracy ofURLs for extermal or third-party Internet websites referred to in this puhlication,and does not guarantee that any content on such websites is, or will remainaccurate of appropriateContentsList of Contributorspage xvIPrefaceKXIOverview of New Technolog ies for 5G SystemsVincent W S, Wong, Robert Schober, Derrick Wing Kwan Ng, and Li-Chun Wang1.1 Introduction1.2 Cloud Radio Access Networks1.3 Cloud Computing and Fog Computing1. 4 Non-orthogonal Multiple Access1. 5 Flexible Physical Layer Design334.4671. 6 Massive MIMo1. 7 Full-Duplex Communications1. 8 Millimeter wave1.9 Mobile Data Offloading, LTE-Unlicensed, and Smart Data Pricing131. 10 IoT M2M. and D2D1. I1 Radio Resource Management, Interference Mitigation, and Caching61. 12 Energy Harvesting Communications1. 13 Visible Light Communication19Acknowledgments20ReferencesPart I Communication Network Architectures for 5G Systems25Cloud Radio Access Networks for 5G Systems27Chih-Lin I, Jinn Huang, Xueyan Husang, Rongwved Ren, and Yami. Chen2.1 Rethinking the Fundamentals for 5G Systems272 User- Centric Networks2923 C-RAN Basics292.3.1 C-RAN Challenges Toward SGI302.4 Next Generation Fronthaul Interface (NGFI: The FH Solutionfor SGC-RAN312. 4.1 Proof-of-Concept Development of NGFI33Contents2.5 Proof-of-Concept Verification of Virtualized C-RAN2.5.1 Data packets3725.2 Test Procedure382.5.3 Test Results392. 6 Rethinking the Protocol Stack for C-RAN2.6.1 Motivation402.6.2 Multilevel Centralized and Distributed Protocol Stack402.7 Conclusion45AcknowledgmentsReferencesFronthaul-Aware Design for Cloud Radio Access Networks48Liang Liu, Wei Yu, and Osvaldo Simeone3. 1 Introduction483.2 Fronthaul-Aware Cooperative Transmission and Reception493. 2.1 Uplink513.2.2 Downlink573.3 Fronthaul-Aware Data Link and Physical layers61.3. I Uplink633.3.2 Downlink693.4 Conclusion73Acknowledgments74References74MobEdge computing76Ben Liang4.1 Introduction764.2 Mobile Edge Computing774.3 Reference architecture794.4 Benefits and Application Scenarios804 4.1 User-Oriented Use cases4. 4.2 Operator-Oriented Use Ca814 5 Research challenges824.5.1 Computation Offloading824.5.2 Communication Access to Computational Resources834.5.3 Multi-resource Schedulin844.5 4 Mobility Management854.5.5 Resource Allocation and Pricing4.5.6 Network functions virtualization864.5, 7 Security and Pri864.5.8 Integration with Emerging Technologies874.6 Conclusion88ReferencesContentsDecentralized Radio Resource Management for Dense HeterogeneousWireless networksAbolfazl Mehhodniya and Fumiyuki Adach5.1 Introduction925.2 System Model935.2.1 SINR Expression5.2.2 Load and Cost Function Expressions955.3 Joint BSCSA/UECSA ON/OFF Switching Scheme965.3.1 StrateTy Selection and Beacon Transmission53.2 UE AssocIation5.3.3 Proposed Channel Segregation Algorithms985.3.4 Mixed-Strategy Update3.4 Computer Simulation5.5 Conclusion104Acknowledgments04References105Part ll Physical Layer Communication Techniques107Non-Orthogonal Multiple Access(NOMA)for 5G Systems109Wei Llang, Zhiguo Ding, and H. Vincent Poor6.1 Introduction1106.2 NOMA in Single-Input Single-Output(SISO)Systems1126.2.1 The basics of nomaI126. 2. 2 Impact of User Pairing on NOMA136.2,3 Cognitive Radio Inspired NOMA6. 3 NOMA in MIMO Systems1206.3.1 System Model for MIMO-NOMA Schemes1216.3.2 Design of Precoding and Detection Matrices with Limited CSIT 1236.3.3 Design of Precoding and Detection Matrices with Perfect CSIT 1266.4 Summary and Future Directions128ReferencesFlexible Physical Layer Design133Maximilian Matthe, Martin Danneberg, Dan Zhang, and Gerhard Fettweis7.1 Introduction1337. 2 Generalized Frequency Division Multiplexing357.3 Software-Defined waveform1377. 3. 1 Time Domain Processing1387.3.2 Implementation Architecture1387.4 GFDM Receiver Design14174 Synchronization unit1427. 4.2 Channel Estimation Unit1474.3 MIMo-GFDM Detection Unit145Contents7.5 Summary and Outlook147Acknowledgments148References488Distributed Massive MIMO in Cellular Networks15IMichail Matthaiou and Shi Jin8. I Introduction15l8. 2 Massive MIMO: Basic Principles1528.2.1 Uplink Downlink Channel Models1538.2.2Favorable Propagation1548.3 Performance of Linear Receivers in a Massive MIMO Uplink1548.4 performance of linear precoders in a massive mimo downlink1578. s Channel estimation in massive mimo systems1588.5.1 Uplink Transmission1598.5.2 Downlink Transmission1608.6 Applications of Massive MIMO Technology1618.6.1 Full-Duplex Relaying with Massive Antenna Arrays1618.6.2 Joint Wireless Information Transfer and Energy Transfer forDistributed massive mimo1638.7 Open Future Research Directions1678. 8 Conclusionl68References169Full-Duplex Protocol Design for 5G Networks172Tanelf Ahonen and Risto wichman9.1 Introduction1729. 2 Basics of Full-Duplex Systems1739.2.1 In-Band Full-Duplex Operation Mode1739.2.2 Self-Interference and Co-channel Interference1749.2.3 Full-Duplex Transceivers in Communication Links1759. 2. 4 Other Applications of Full-Duplex Transceivers1789.3 Design of Full-Duplex Protocols1799.3, 1 Challenges and Opportunities in Full-Duplex Operation1799.3.2 Full-Duplex Communication Scenarios in 5G NetworksR9.4 Analysis of Full-Duplex Protocols1829.4.1 Operation Modes in Wideband Fading Channels1829. 4, 2 Full- Duplex Versus Half-Duplex in Wideband Transmission1849.5 Conclusion1849.5.1 Prospective Scientific Research DirectionsI849.5.2 Full-Duplex in Commercial 5G Networks185RLItrtncekl8610Millimeter Wave Communications for 5G Networks188Jiho Song, Miguel R Castellanos, and David J. LoweContentsⅸx10.1 Motivations and Opportunities18810.2 Millimeter Wave Radio Propagation18910. 2.1 Radio Attenuation1890. 2. 2. Free-Space Path LOSs19I10.2.3 Severe shadow19310.2 4 Millimeter Wave Channel model19310.2.5 Link Budget Analysis19410.3 Beamforming Architectures19510.3, Analog beamforming solutions19610.3.2 Hybrid Beamforming Solutions20010.3.3 Low-Resolution Receiver Architecture2010.4 Channel Acquisition Techniques20110.4.1 Subspace Sampling for Beam Alignment20210.4.2 Compressed Channel estimation Techniques20510.5 Deployment Challenges and Applications20710.5.1 EM Exposure at Millimeter Wave Frequencies20710.5.2 Heterogeneous and Small-Cell Networks208Acknowledgments209References209Interference Mitigation Techniques for Wireless Networks214Koralia N Pappi and George K, Karag annidis1 1.1 Introduction21411.2 The Interference Management Challenge in the 5G vision21411. 2. 1 The 5G Primary Goals and Their Impact on Interference2141 1.2.2 Enabling Technologies for Improving Network Efficiencyand Mitigating Interference21611.3 Improving the Cell-Edge User Experience: Coordinated Multipoint218I 1.3.1 Deployment Scenarios and Network Architecture2181 13. 2 CoMP Techniques for the Uplink22011.3.3 CoMP Techniques for the Downlink2211 1.4 Interference Alignment: Exploiting Signal Space Dimensions2231 1.4.1 The Concept of Linear Interference Alignment224L1. 4.2 The Example of the X-Channel225I 1. 4.3 The K-User Interference Channel and Cellular NetworksAsymptotic Interference Alignment22611.4.4 Cooperative Interferenee Networks22711.4.5 Insight from IA into the Capacity Limits of Wireless Networks 22711.5 Compute-and-Forward Protocol: Cooperation at the ReceiverSide for the Uplink22811.5.1 Encoding and Decoding of the CoF Protocol22811.5.2 Achievable-Rate Region and Integer Equation Selection23011.5.3 Advantages and Challenges of the CoF Protocol232IL6 Conclusion233References233
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