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丰田技术员 汽车基本原理.pdf
【实例简介】丰田技术员 汽车基本原理.pdf
主要讲汽车原理、汽油机、柴油机、传动系、底盘、发动机电气、车身电气、车身、测试等等
- 2021-10-10 00:30:55下载
- 积分:1
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时差和频差无源定位方法研究matlab程序
一.dwmain.m为定位程序,1.调用了gj.m(轨迹方程)2.SC.m(时差定位程序)3.pc.m(频差定位程序) 二.GDOP_main.m为时差定位GDOP图 三.pcgdop_main.m为频差定位GDOP图 【程序说明】 一.dwmain.m为定位程序,1.调用了gj.m(轨迹方程)2.SC.m(时差定位程序)3.pc.m(频差定位程序)二.GDOP_main.m为时差定位GDOP图三.pcgdop_main.m为频差定位GDOP图
- 2019-03-31下载
- 积分:1
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项目投标书PPT模板(IT项目)
技术优势分析设备优势分析人力优势分析管理优势分析资源优势分析其他优势分析
- 2020-12-02下载
- 积分:1
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APFC的matalab的仿真
【实例简介】
APFC的matalab的仿真,带反馈环
- 2021-10-14 00:31:15下载
- 积分:1
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光伏电池阵列输出特性研究用simulink模型
光伏电池阵列输出特性研究用simulink模型,运行即可输出P-V,I-V曲线,请使用2010b以上版本打开
- 2021-05-06下载
- 积分:1
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A星算法matlab实现
matlab实现的A星算法,有个性界面,直接运行就可以
- 2020-05-30下载
- 积分:1
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51 单片机 115200 12clock 模拟串口程序 UART
UART1 DRIVERS – 115200 Boundrate, 1 start bit, 8 dat – 22.1184MHz crystal, 12 machine clock
- 2020-12-10下载
- 积分:1
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车道线识别经典算法(可运行matlab算法+视频)
车道线识别经典算法,很好的学习资料,算法内有中文备注,可运行。
- 2019-03-31下载
- 积分:1
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5G Mobile and Wireless Communications Technology
关于5G通信和无线传输的相关知识5G Mobile and wirelessCommunications TechnologyEDITED BYAFIF OSSEIRANEricssonJOSE F MONSERRATUniversitat politecnica de valenciaPATRICK MARSCHCAMBRIDGEUNIVERSITY PRESSCAMBRIDGEUNIVERSITY PRESSUniversity Printing House, Cambridge CB2 8BS, United KingdomCambridge University Press is part of the University of CambridgeIt furthers the Universitys mission by disseminating knowledge in the pursuit ofeducation learning and research at the highest international levels of excellencewww.cambridge.orgInformationonthistitlewww.cambridge.org/9781107130098C Cambridge University Press 2016This publication is in copyright. Subject to statutory exceptionand to the provisions of relevant collective licensing agreementsno reproduction of any part may take place without the writtenpermission of Cambridge University PressFirst published 2016Printed in the United Kingdom by TJ International Ltd. Padstow Cornwalla catalogue record for this publication is available from the british libraryLibrary of Congress Cataloguing in Publication dataOsseiran. Afif editor5G mobile and wireless communications technology /[edited by] Afif Osseiran, EricssonJose F monserrat, Polytechnic University of Valencia, Patrick Marsch, Nokia NetworksNew York: Cambridge University Press, 2016LCCN2015045732|ISBN978110713009( hardback)LCSH: Global system for mobile communications. Mobile communication systems- StandardsLCC TK5103483A152016DDC62138456dc23Lcrecordavailableathttp://icCn.loc.gov/2015045732IsBN 978-1-107-13009-8 HardbackCambridge University Press has no responsibility for the persistence or accuracy ofURLS for external or third- party internet websites referred to in this publicationand does not guarantee that any content on such websites is, or will remainaccurate or appropriateTo my new born son S, my twin sons H& N, my wife L s-y for her unwaveringencouragement, and in the memory of a great lady my aunt K eA OsseiranTo my son, the proud fifth generation of the name Jose Monserrat. And with thewarmest love to my daughter and wife, for being always there.E MonserratTo my two small sons for their continuous energetic entertainment, and my dearwife for her amazing patience and support.P MarschContentsList of contributorspage xIvForewordAcknowledgmentsXIXAcronymsXXIIIntroduction1. 1 Historical background1.1.1 Industrial and technological revolution: from steam enginesto the internet1. 1.2 Mobile communications generations: from IG to 4G1.1.3 From mobile broadband ( mbb) to extreme MBB1. 1.4 IoT: relation to 5G1.2 From ICT to the whole economy6771.3 Rationale of 5G: high data volume, twenty-five billion connecteddevices and wide requirements1.3.1 Security1.4 Global initiatives1. 4.1 METIS and the 5G-PPP1. 4.2 China: 5G promotion group2241. 4.3 Korea: 5G Forum141. 4.4 Japan: ARIB 2020 and Beyond Ad Hoc1. 4.5 Other 5G initiatives14.6 Iot activities1.5 Standardization activities445551.5.1ITU-R1.5.23GPP161.5.3 EEE161.6 Scope of the book16References185G use cases and system concept212. 1 Use cases and requirements212.1.1 Use cases212. 1.2 Requirements and key performance indicatorsContents2.2 5G system concept322.2.1 Concept overview322. 2.2 Extreme mobile broadband342.2.3 Massive machine-type communication362.2.4 Ultra-reliable machine-type communication382.2.5 Dynamic radio access network392.2.6 Lean system control plane432. 2. 7 Localized contents and traffic flows52.2.8 Spectrum toolbox2. 3 Conclusions48References48The 5g architecture503.1 Introduction503.1.1 NFV and SDN503.1.2 Basics about ran architecture533.2 High-level requirements for the 5G architecture563.3 Functional architecture and 5g flexibility573.3.1 Functional split criteria583.3.2 Functional split alternatives593.3.3 Functional optimization for specific applications3.3.4 Integration of lte and new air interface to fulfill 5Grequirements3.3.5 Enhanced Multi-RAT coordination features663. 4 Physical architecture and 5G deployment3.4.1 Deployment enablers673.4.2 Flexible function placement in 5G deployments713.5 Conclusions74References75Machine-type communications774.1 Introduction774.1.1 Use cases and categorization of mto774.1.2 MTC requirements804.2 Fundamental techniques for MTC834.2.1 Data and control for short packets834.2.2 Non-orthogonal access protocols854.3 Massive mtc864.3.1 Design principles864.3.2 Technology components864.3. 3 Summary of mMTC features944.4 Ultra-reliable low-latency MTC944.4. 1 Design principles944.4.2 Technology componentsContents4.4.3 Summary of uMTC features1014.5 Conclusions102References103Device-to-device(D2D)communications1075.1 D2D: from 4G to 5G1075.1.1 D2D standardization: 4G LTE D2D1095.1. 2 D2D in 5G: research challenges1125.2 Radio resource management for mobile broadband D2D1135.2.1 RRM techniques for mobile broadband d2d5.2.2 RRM and system design for D2D1145.2.3 5G D2D RRM concept: an example5.3 Multi-hop d2d communications for proximity and emergencyservices1205.3.1 National security and public safety requirements in 3GPPand Metis1215.3.2 Device discovery without and with network assistance125.3.3 Network-assisted multi-hop d2d communications1225.3.4 Radio resource management for multi-hop D2D1245.3.5 Performance of D2D communications in the proximitcommunications scenario1255. 4 Multi-operator d2d communication1275.4.1 Multi-operator D2D discovery275.4.2 Mode selection for multi-operator D2D1285.4.3 Spectrum allocation for multi-operator D2D295.5 Conclusions133References1346Millimeter wave communications1376. 1 Spectrum and regulations1376.2 Channel propagation1396.3 Hardware technologies for mm W systems1396.3.1 Device technology1396.3.2 Antennas1426.3.3 Beamforming architecture1436.4 Deployment scenarios6. 5 Architecture and mobility1466.5.1 Dual connectivit1476.5.2 Mobility1476.6 Beamforming1496.6. 1 Beamforming techniques1496.6.2 Beam finding1506.7 Physical layer techniques1526.7.1 Duplex scheme152
- 2020-12-06下载
- 积分:1
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fluent网格划分的关键.pdf
fluent 中自适应网格完善特征允许我们根据数据计算结果来修改网格梳密布置或网格走向。另外,fluent 还提供了创建和查看特定应用的自适应方法。下面各部分详细描述了自适应的过程。23.1,自适应的使用23.2,自适应过程23.3,边界自适应23.4,倾斜度自适应23.5,等值线的自适应23.6,区域自适应23.7,体积自适应23.8, y 和-y 的自适应23.9,管理自适应注册23.10,自适应控制23.11,用修匀和交换方法来改善网格
- 2020-12-10下载
- 积分:1