VPC3+用户手册+软件手册+程序

网络硬盘系统的设计与实现1.开题报告内容包括选题的依据和意义、国内外有关本选题研究的动态、论文（设计）的基本内容、拟解决的主要问题、研究方法、选题的特色及创新点、主要参考文献等；2.开题报告内容、写作进度、具体时间安排及指导教师对开题报告的意见栏目要求采用宋体小四号字、18磅行距打印；3.“指导教师签名”及“日期”要求手写体。（可另附页）

OFDMA系统分析与设计的国外经典教材Chapter 1 Introduction to OFDM and OFDMAChapter 2 Characterization of the Mobile Wireless ChannelChapter 3 Fundamentals of Digital Communications and NetworkingChapter 4 Fundamentals of OFDM and OFDMA: Transceiver StructureChapter 5 Physical Layer: Time and FrequencyChapter For a listing of recent titles in theArtech House Mobile Communications Library,turn to the back of this bookOFDMA System Analysis and DesignSamuel C. YangARTECHHOUSEBOSTON LONDONartechhouse. comLibrary of Congress Cataloging-in-Publication DataA catalog record for this book is available from the U.S. Library of CongressBritish Library cataloguing in Publication DataA catalogue record for this book is available from the british libraryISBN-13:978-1-60807-076-3Cover design by vicki KaneC 2010 Artech House685 Canton streetNorwood. MA 02062All rights reserved. Printed and bound in the United States of America. No partof this book may be reproduced or utilized in any form or by any means, elec-tronic or mechanical, including photocopying, recording, or by any informationstorage and retrieval system, without permission in writing from the publisherAll terms mentioned in this book that are known to be trademarks or servicemarks have been appropriately capitalized artech House cannot attest to theaccuracy of this information. Use of a term in this book should not be regardedas affecting the validity of any trademark or service mark10987654321To my beautiful wife JennyContentsPrefaceAcknowledgmentsXVCHAPTER TIntroduction to ofdm and ofdma1.1 Motivation1.2 Conventional FDm1.3 Advantages of FDm1.3.1 Intersymbol Interference(ISI)and Multipath Fading1.3.2 Modulation and Coding per Subcarrier1.3.3 Simple equalization1.4 Disadvantages of FDM1.5 Basics of ofdm1.6 Advantages of OFDM1.6.1 Low-Complexity modulation1.6.2 Spectral Efficiency1.7 Basics of ofdma1.8 Advantages of OFDMA121.9 Some Practical issues of ofdm and ofdma1.9.1 Time Domain: Interblock Interference131.9.2 Frequency Domain: Intercarrier Interference131.10 OFDM and Dsss141.11 Overview of the book14References15Selected BibliographyCHAPTER 2Characterization of the mobile wireless channel2.1 Introduction2.2 Link analysis2.3 Distance Dimension: Propagation Loss2.3.1 Path Loss2.3.2 Shadowing Loss24Contents2.3.3 Multipath Fading26Example 2.1282.3.4 Concluding Remarks292.4 Time Dimension: Multipath Delay Spread302.4.1 Delay Spread30Example 2.231Example 2.3312. 4.2 Coherence bandwidth322.4.3 Implications for OFDM352.5 Frequency Dimension: Doppler Spread362.5.1 Doppler Spread36Example 2. 4372.5.2 Coherence time2.5.3 Implications for OFDM402. 6 Conclusions41References43Selected Bibliography44ChAPTER 3Fundamentals of Digital Communications and Networking453.1 Introduction453.2 Basic Functions of a Transceiver453.3 Channel Coding473.3.1 Linear block codes473.3.2 Convolutional codes493.4 Symbol mapping and modulation3.5 Demodulation563. 5. 1 Matched Filter563.5.2 Symbol Error3.6 Adaptive Modulation and Coding603.7 Cyclic Redundancy Check(CRC)623.8 Automatic Repeat Request(arQ)643.8.1 Stop-and-Wait ARQ643.8.2 Sliding Window arQ653.9 Hybrid ARQ67References69Selected bibliographyCHAPTER 4Fundamentals of ofdm and ofdma: transceiver structure4.1 Basic Transmitter functions714.2 Time domain: guard time4.3 Frequency Domain: Synchronization744.4 Basic receiver functions754.5 Equalization764.6 OFDM Symbol79Contents4.7 OFDMA Transmitter844. 8 OFDMA Receiver4.9 OFDMA4.9.1 Frequency diversity4.9.2 Multiuser diversity914.9.3 Concluding Remarks4.10 Peak-to-Average Power ratio924.11 Conclusions93References94Selected Bibliography95CHAPTER 5Physical Layer: Time and Frequency975.1 Introduction5.2 Distributed Subcarrier Permutation: Forming Subchannels onDownlink5.2.1 Full Usage of Subchannels(FUSC1005.2.2 Partial Usage of Subchannels(PUSC)1015.2.3 Tile Usage of Subchannels 1(TUSC1)1025.2.4 Tile Usage of Subchannels 2(TUSC2)1025.3 Distributed Subcarrier Permutation: Forming Subchannels on Uplink 1025.3.1 Partial Usage of Subchannels(PUSC)1035.3.2 Optional Partial Usage of Subchannels(Optional PUSC)1035.4 Adjacent Subcarrier Permutation: Downlink and Uplink1045.5 Summary of Subcarrier Permutation Modes1045.6 Bursts and Permutation Zones1055.7 Subframes and frames1075.7.1 Preamble1105.7.2 Frame Control Header(FCH)1105.7.3 Downlink MAP (DL-MAP)and Uplink MAP(UL-MAP1115. 8 TDD and FDD5. 9 System Design Issues1125.9.1 Frequency Diversity and multiuser diversity1125.9.2 Segmentation1125. 10 Adaptive burst profiles1155.10.1 Burst Profiles1155.10.2 Channel Quality Feedback116References117ChAPTER 6Physical Layer: Spatial Techniques1196.1 Introduction6.2 Spatial Diversity: Receive Diversity1206.2.1 Receive Diversity: Antenna Selection1226.2.2 Receive Diversity: Maximal Ratio Combining6.3 Spatial Diversity: Transmit Diversity123Contents6.3. 1 Transmit Diversity: Open-Loop 2 X 11246.3.2 Transmit Diversity: Open-Loop 2X 21266.3.3 Transmit Diversity: Closed-Loop Antenna Selection128Example 6.11296.3.4 Transmit Diversity: Closed-Loop precoding1306.3.5 Remarks1326.4 Spatial Multiplexing1336.5 MIMO-OFDM1366.6 Beamforming1366.7 System Design Issues139References140Selected Bibliography141CHAPTER 7Medium Access control: architecture and data plane1437.1 MAC Architecture1437.2 Convergence Sublayer1457. 2.1 Address Mapping( Classification1467. 2.2 Header Suppression1467. 3 Common Part Sublayer1477.3.1ARQ1477. 3.2 MAC SDU and MAc pdu1487.3.3 Fragmentation/Packing1497.4 Security Sublayer152References152chaPTeR 8Medium Access Control Lower Control plane1538. 1 Introduction1538.2 Scheduler1538.3 Bandwidth Request1558.3.1 Request in Existing Uplink Allocation1568.3.2 Unicast Polling1568.3.3 Multicast and Broadcast Polling1578.3.4 Contention-Based Request for OFDMA1578.4 Control Signaling1588.5 Ranging1598.5.1 Initial Ranging1598.5.2 Periodic Ranging1608.5.3 Handover ranging1618.6 Power Control1618.6.1 Uplink Power Control: Closed-Loop1648.6.2 Uplink Power Control: Open-Loop1668.6.3 Assignment of Uplink Modulation and Coding8.6.4 Concluding Remarks168References169ContentsChaPTER 9Medium Access Control: Upper Control plane1719.1 Introduction1719.2 Network Entry1719.2. 1 Synchronization with Downlink of Base Station and acquisitionof parameters1739.2.2 Initial Ranging1739. 2.3 Negotiation of Mobile Capabilities1749.2.4 Security Procedures1749.2.5 Mobile registration1759.2.6 IP Connectivity1759.2.7 Connection Setup1769.3 Mobility Management: Link Handover1769.3.1 Cell Reselection1779.3.2 Hard Handover(HHO1799.3.3 Macro Diversity Handover(MDHO)1849.3.4 Fast Base Station Switching(FBSS1879.3.5 System Design Issue: H Add and h delete1899.3.6 Concluding Remarks1919.4 Mobility management: Network handover192References192CHAPTER 10Quality of Service(Qos)19510.1 Introduction19510.2 Definitions and Fundamental Concepts19510.2.1 Service Flows and Qos Parameters19510.2.2 Connections19610.3 Object Relationship Model19710.4 Service flow transactions19910.4.1 Creating a Service Flow19910.4.2 Changing a Service Flow20010.4.3 Deleting a Service Flow20310.5 QoS Parameters20410.6 Scheduling Services20610.6.1 Unsolicited Grant Service(UGS)20610.6.2 Real-Time Polling Service(rtPS20710.6.3 Extended Real-Time Polling Service(ertPS20710.6.4 Nonreal-Time Polling Service(nrtPS20810.6.5 Best Effort(BE)20810.6.6 Remarks209References210

2019年中国研究生数学建模竞赛试题D题 行驶工况的构建

基于Matlab的音频处理系统的设计一、课程设计目的1．学会MATLAB的使用，掌握MATLAB的程序设计方法；2．掌握在Windows环境下语音信号采集的方法；3．掌握数字信号处理的基本概念、基本理论和基本方法；4．掌握MATLAB设计FIR和IIR数字滤波器的方法；5．学会用MATLAB对信号进行分析和处理。

PDF拆分合并软件,pdf9spliter.zip

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

【实例简介】此为哈工大电力电子技术课件，内容丰富，形式多样，适合做参考 。

西门子 opc 例程 只支持32位编译，这个支持64位。十分强大，十分好用。因为自己写的软件比较吃内存，所以一定要64位编译。

图像匹配滤波器Matlab程序 附注释 图像匹配滤波

深度信念网络，有代码，有实例，有数据。用于深度网络预训练。 深度信念网络，有代码，有实例，有数据。用于深度网络预训练。