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OFDM-MIMO(MATLAB)

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使用matlba实现OFDM-MIMO,里面有完整的代码和一本详细的讲解如何用matlab仿真的书

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  • 测量电子电路设计
    测量电子电路设计模拟篇,觉得讲解得比较深刻,分享给大家图解实用电子技术丛书测量电子电路设计滤波器篇从滤波器设计到锁相放大器的应用「日]远坂俊昭著彭军译钭学出版社北京图字:01-2005-4936号内容简介本书是“图解实用电子技术丛书”之一,也是《測量电子电路设计—模拟篇》的姊妹篇,主要介绍如何从放大了的信号中除去有害噪声,提取有用信号的滤波技术。书中介绍处理低频信号所必需的RC滤波蕃、有源滤波器、C滤波器,以及低频滤波器中能够实现极限Q值的锁相放大器的设计方法等,同时还提供大量的实验数据和模拟数据模拟篇中主要从高轉度信号量的观点,举具体的设计和制作实例详解模拟电路的基本电路,即放大电路。本书的读者对象主要是电子工程技木人员,也可供电子、自动化、仪器仪表等相关专业的师生参考学习。图书在版编目(CIP数据测量电子电路设计:滤彼器篇远坂俊昭著;彭详,北京:科学出版社,2006(图解实用电于技术丛书ISBN7-03-01712-9I.测…Ⅱ.①远…⑨彭…皿.①电子测量-电路设计②港波器设计N.TM930.111-64中国版本图书馆CIP数据核字〔2006)第041385号女编樨:赵方青崔炳哲贲任制作:魏莲责仔印制:刘士平广封面设计:李力共京东方龙盟久有限"司制作-:tp://www.okbuok.conll.cn臀☆服出版」京乐黄城根北街16号郎政编:007lh:tp://www.sciencecon海印射有限责佳公司印刷科学出版社发行各地新华书店经销2006年E月第版开本2006年6月算一次印刷印张:171/4印数:1—4000字数;26200定价:38.00元(如有印装质量问题我社负责调换〈新欣》)刊言本书是《测量电子电路设计—模拟篇》一书的姊妹篇《测量电子电路设计—模拟篇主要着眼于对来自传感器的具有一定S/N的微弱信号电压进行放大的技术。本书的主题则是从放大了的信号中除去有害噪声,提取有用信号的滤波技术无论是由一个电阻和一个电容构成的RC滤波器,还是分析類率高达几十吉赫的炯谱分析器都统称为滤波器,可见其包含的种类和技术非常庞杂木书在介绍应用丁处理频信号的RC滤波器、有源滤波器、LC滤波器,以及低频滤波器中能够实现极限Q值的锁相啟大器〔Iock- in Amplifier)的设计方法的同时,还提供了大量的实验数据和模拟数据。通常关于滤波器的专业书籍,既要颇费力气地阐述理论,又要介绍进行设计时必要的事项。而本书则将重点放在实用设计所必需的技术问题上。这些内容对于直接进行实际设计无疑是非常有用的,只是有关滤波器基础理论的内容相对而言略显单薄。因此书木罗列出参考文献,以供希望进一步深入学习滤波器理论知识的读者参考。要想了解锁相放大器.需要具备一定的锁相环( Phase LockedIoop,PLI)基本知识,不过简明易懂地介绍PIL,中使用的滤波器参数计算方法的专业书籍并不多见。本书对于PLL中使用的滤波器的计算问题,不但在介绍其设计方法的同时还提供大量的实验数据和模拟数据,所以请因PII知识比较欠缺而感到困惑的读者务必阅读这些内容。同时,也向那些对于锁相放大器的使用方法感到困惑的在物理、化学等领域工作的渎者推荐本书。为了熟练地使用测量仪器,必须熟知测量仪器的原理。当进行某种实验时,不仅需要购置正规厂家的测量仪器建立测量系统,还需要自制夹具提高实验准确性和速度。如果任何配件都寄希望于向厂家定做,既花费时间而又未必ⅱ前言合适。请务必阅读本书,学习并掌握自制前置啟大器和滤波器、排除外来噪声的技术,以便能够完成独创性的、质量更高的实验。《测量电子电路设计——模拟篇》和本书都是在CQ出版株式会社董事兼电子电路技术研究会主持人蒲生良治先生的建议下着手编写的ε利用休息日,为进行计算杋模拟而敲键盘,握着电烙铁做作业,原本预定半年完成,结果花了5年的时间。在此,谨向耐心等待迟到稿件的蒲生良治先生和作者的恩师——(株)NF电路设计集团常务董事荒木邦尔先生,以及给予了许多帮助的电子电路技术研究会的各位同仁致以深深的谢意而且,还要向包饺子高手—妻子宏子因怠慢而深表歉意,同时感谢她给予我的支持。著目录第1章概述1.1滤波器的特性与种类……1.1.1各种滤波器—本书介绍频率意义上的滤波器……………………………………11.1.2噪声与滤波器的节宽中中+当甲·甲···鲁中世1.1.3瀌波器对白噪声的滤波效果31.1.4防混浠作用的低通滤波器……………………51.1.5高通瀌波器(HPF)的作用1.1.6带通滤波器(BPF)的作用……1.1.7带阻滤波器(BEF)的作用1.1.8模拟滤波器与数字滤波器1.1.9能够自制的滤波器…………………………101.10由厂家制作的滤波器1.2滤波器的频率响应与时间响应特性■画121.2.1滤波器的阶数与衰减陡度………………121.2.2最大平坦:巴特沃斯特性3.2.3快速调整阶跃响应的贝塞尔特性131.2.4实现陡峭特性的切比雪夫特性141.2.5更加陡峭椭圆( Elliptic)特性151·2.6滤波器的副作馬—对响应特性的影响■■1.2.7髙通滤波器的时间哨应特性…画中b1.2.8带通滤波器的时间啊应特性……………19第2章RC滤波器与RC电路网络的设计…2.1最简单的RC滤波器曾即鲁鲁自·鲁申使费曹鲁啬轟最2.1.1RC低通滤波春的特性2.1.2DC前置放大春上附加RC濾波器222.1.3RC滤波器的多级连接23目录2加深对RC电路网络的印象262.2.1表现电路网络动作的万能曲线2.2.2设时利用渐近线272.2.3高頻截止/低频截止的A万能曲线282.2.4描述相位返回特性的B万能曲线…295PLL电路中应用的高频截止的B万能曲线…302.2.6应用于OP放大器相位补偿的低频截止的B万能曲线第3章有源滤波器的设计373.1概述373.1.1有源湖波器—确定参数值时的自由度高3.1.22阶有源濾波器设计基础3.2有源低通滤波器的设计………403.2.1经掌使用的正反馈型2阶IPF(增益=1)的构成3.2.25阶巴特沃斯LPF的计算例413.2.3使IPF具有放大率的滤波电路3.2.4王反缋型IPF(增益≠1)的构成…433.2.5减小元件灵敏度和失真的多重反愦型LPF…458,2.6有源IPF的高频特性……………………473.3有源高通滤波器的设计……493.3.1正反馈型2阶HPF的构成3.3.25阶切比雪夫HPF的计算例…………………5033.3多重反馈型HHF的构成…3.4状态可调滤波器的设计523.4.1状态可调滤波器的概念翻鲁音垂阝垂垂曲4非省当··垂523.4.2反转型与非反转型在特性上的差别…533.4.3在可变頻率-可变Q的通用滤波器中的应用…573.4.4状恋可调滤波器模块3.4.5低失真率的双截型濾波器583.5带通滤波器的设计…593.5.1将IPF与HPF级联59专栏A状态可调滤波器在低失真率振荡晷中的应用…615.2Q=10以下的1个OP放大器的多重反馈型BPF……………………………623.5.3中心频率为1kHz,Q=5的带通滤波器……633,5.42个放大器的高Q值BPF653.5.5能够用于评价OP故大器噪声的带宽100Hz的BPF………………………663.6带阻滤波器的设计……………………………693,6.1使用BPF的带阻滤波器693.6.2测量失真用的双T陷波滤波器aaaa,了附录有源滤波器设计用的归一化表3第4章LC滤波器的设计794.1LC滤波器概述冒留冒·d中「司自e业宁皇费曲日4.1.1LC滤波器在1ckHz以上的使用价值高4.1.2利用归一表和模拟器使设计变得简单…804.1.3LC滤波器的两种类型………………814.2LC滤波器的设计4.2.1低通LC濾波器的设计…4.2.2归一化表的使黑方法………834.2.3由低通滤波器(LPF)变换为高通滤波器(HPF)8442.4变换为带通滤波罨(BPF)………85专栏B函数台式计算机的应用42.5IPF的带宽越謇响应越慢…………………894.3LC滤波器的实验制作914.31附有5阶低通滤波器的前置放大器………914.3.2巴特沃斯BPF的试制94第5章模拟LC型有源滤波器的设计975.1模拟LC的概念……975.1.1不希望使用线圈甲q曾曹4975.1.2实现FDNR的电路………985.2实用的FDNR滤波器的设计………………985.2.15阶IPF均设计985.2.2特点—不受OP放大器直流漂移的影响…1005.2.3注意最大输入电平1025.2.4信号源电阻为Og的FDNR濾波器…-102目录5,2.5信号源电阻为0Ω的FDNR5阶低通滤波器的试制………10552.6抗误差用7阶切比雪夫滤波春的设汁……108特性的检验1105,2,8利用高速A/D转换器减轻滤波器的负担1125.2.9将电容变换为电感的GIC113第6章滤波器使用的RLC…1176,1滤波器使用的电阻器1176.1.1各种电阻器……176.1.2滤波瘗电路中的金属膜电阻春……………1176.1.3电阻的频率特性……………………1196.2滤波器使用的电容器………………………12⊥6.2,1电容握要注意等效串联电阻Rs…………1216.2,2糈潓波馨中不使用铝电解电容器1246.2.3叠居陶瓷电容器1266.2,4薄膜电容器…………………1286.2,5苯乙烯电容器1306.2.6云母电容器1306.3滤波器使用的线圈1336,3.1线圈的种类和等效电路…………………1336.3.2徵型电感〔圆筒形………………·1356.3.3壶形轶心……………………………1386.3.4用壶形铁心制作电感器的要点……………*1396.3.5基干壶形铁心的100mH电感器的设计…1426.3.5方形金属外壳电感器非着毒看D··晶↓d■,南1456.3.7环形铁心…………………………………14763.8环形铁心电感器的设计例148专栏C关于E系列标准值…………………151第7章变压器对噪声的阻断/抑制作用1537.1变压器概述…………………………………1537.1.1不可轻视变压器的作用…………1537,],2变压器的基本动作…1537.1.3变压器的等效电路154
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Use inconnection with any form of information storage and retrieval, electronic adaptation, computer softwareor by similar or dissimilar methodology now known or hereafter developed is forbiddenThe use in this publication of trade names, trademarks, service marks, and similar terms, even if they arenot identified as such, is not to be taken as an expression of opinion as to whether or not they are subjectto proprietary rightsPrinted on acid-free paperSpringerispartofSpringerScience+businessMedia(www.springer.com)To Alana, our son nickolasmy father lothar Stuiberand my late mother Beatrice stiiberPrefacePrinciples of Mobile Communication, third edition, is a major revision of thesecond edition. Like its earlier editions, this book provides a mathematicallyrigorous overview of physical layer wireless communications. The basic pedagogicmethodology is to include fully detailed derivations from first principles. The text isintended to provide enough principle material to guide the novice student, whilit the same time having plenty of detailed material to satisfy graduate studentsinclined to pursue research in the area. The book is intended to stress the principlesof wireless communications that are applicable to a wide array of wireless standardsIt is intended to serve as a textbook and reference for graduate students, and a usefulreference for practicing engineersOrganization of the bookChapter 1 begins with an overview that is intended to introduce a broad array ofissues relating to wireless communications. Included is a brief description of theevolution of various wireless standards, the basic concepts of cellular frequencyreuse, the land mobile radio propagation environment, link budgets, and coverageand capacity of cellular radio systemsChapter 2 provides an extensive treatment of radio propagation, since goodunderstanding of the physical wireless channel is essential for the developmentand deployment of wireless systems. The chapter begins with a treatment ofthe narrow-band faded envelope for conventional fixed-to-mobile channels foundin cellular radio systems, mobile-to-mobile channels found in mobile ad henetworks, and multiple-input multiple-output (MIMO) channels where multipleantennas are used at both the transmitter and receiver to achieve high capacity afterconsidering the narrow-band channel, we consider the statistical treatment of wide-band channels. The emulation of wireless channels is essential for the developmentand testing of wireless systems, and the chapter provides a detailed discussion ofchannel simulation techniques. Finally, the chapter concludes with a discussion ofshadowing and path loss models for land mobile radio environmentsPreraceChapter 3 provides a detailed treatment of co-channel interference which is therimary impairment in spectrally efficient cellular frequency reuse systems. Veryoften the receivers in such systems are affected by multiple co-channel interferersand the probability distribution of the total interfering power is considered. Thchapter also considers the link outage performance due to co-channel interferencein a variety of wireless environmentsChapter 4 covers the various types of modulation schemes that are used in mobilecommunication systems along with their spectral characteristics. The chapter beginswith the mathematical representation of bandpass modulated signals, along withNyquist pulse shaping. Later, a large variety of modulation schemes used in wirelesssystems are considered, including both single-carrier and multi-carrier modulation,and both linear and nonlinear modulation techniques This is followed by a treatmentof the power density spectrum of modulated signals. Although quite mathematicalin nature, power spectrum is an important topic, since wireless systems are requiredto operate within a specified out-of-band emission maskChapter 5 discusses the error probability performance of various digital modulation schemes on narrow-band fat fading channels. The performance is evaluatedwith a variety of receiver structures, including coherent detectors, differentialcoherent detectors and noncoherent detectorsChapter 6 includes a treatment of multi-antenna techniques for combatingenvelope fading. The chapter includes a discussion of various diversity combiningtechniques for coherent, differentially coherent, and noncoherent receiver detectionof signals on fading channels with additive white gaussian noise. also consideredis optimal combining which is effective when the primary additive impairment isco-channel interference rather than noise. Finally, the chapter considers the use ofmultiple antennas at the transmitter in the context of classical beam-forming andtransmit diversityChapter 7 provides an extensive treatment of digital signaling on intersymbolinterference(ISI) channels that are typical of broadband land mobile radio systemsThe chapter begins with the characterization of Isi channels and goes on todiscuss techniques for combating ISI based on symbol-by-symbol equalization andsequence estimation. Later, error probability for maximum likelihood sequenceestimation is considered. The chapter concludes with a discussion of co-channeldemodulation for the purpose of mitigating co-channel interference on Isi channelsChapter 8 covers error control coding techniques for wireless systems. Thechapter begins with a discussion of basic block coding including space-time blockcodes Convolutional coding is considered next along with the Viterbi and BCJRalgorithms for decoding convolutional codes, followed by trellis coded modulationThe chapter then provides a detailed discussion on the design and performanceanalysis of convolutional and trellis codes for awgn channels, and interleaved fatfading channels, and fading isi channels. Later, space-time trellis codes are treatedand the chapter concludes with Turbo codinChapter 9 is devoted to spread spectrum techniques The chapter begins with anintroduction to direct sequence and frequency hop spread spectrum. This is followedy a detailed treatment of spreading sequences. Also included is a discussionPrefaceof the effects of tone interference on direct sequence spread spectrum, and theRAKE receiver performance on wide-band channels. The chapter wraps up witha discussion of cdma multiuser detectionChapter 10 is devoted to multi-carrier techniques. It considers the performanceof ofdm on frequency-selective channels and considers the effect of residualISI and problem of residual ISI cancellation. Later, the chapter examines singlecarrier frequency-domain equalization(SC-FDE)techniques. This is followed by atreatment of orthogonal frequency division multiple access (OFDMA)on both theforward and reverse links. The chapter concludes with a discussion of single-carrierfrequency division multiple acceSs (SC-FDMA)Chapter 11 considers frequency planning techniques for cellular systems. Thechapter begins with a discussion of cell sectoring, cell splitting, and reuse partition-ing. Later, the chapter considers radio planning for OFDMa cellular systems. 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A good understanding of the material in the Appendix isessential, since the concepts are widely used throughout the textUSing This Book for InstructionThe book has been developed from a graduate-level course on physical wirelesscommunications that I have taught at Georgia Tech since 1993. Normally, I prefera graduate-level course in digital communications as a prerequisite for this courseHowever, such a prerequisite may be waived to the extent that there is extensivebackground material in each chapter. A course may cover the introductory materialin each chapter and skip the more specialized material. In my own classes, I alwaystry to judge the mathematical level of the students early and adapt accordinglyThe book obviously contains far too much material to be taught in a onesemester course. However, i believe that it can serve as a suitable text in mostsituations through the appropriate instructor selection of background sections. 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