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1. |
Record Nr. |
UNINA990007524400403321 |
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Titolo |
Industria, servizi e scuola / scritti di Glauco Della Porta, M. Besusso, A. Mariotti, ... [et al.] |
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Pubbl/distr/stampa |
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Descrizione fisica |
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Collana |
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Cassa per il Mezzogiorno ; 5 |
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Locazione |
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Collocazione |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910813869103321 |
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Autore |
Kaiser Thomas |
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Titolo |
Ultra wideband systems with MIMO / / Thomas Kaiser and Feng Zheng |
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Pubbl/distr/stampa |
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Chichester, West Sussex, U.K. ; ; Hoboken, NJ, : Wiley, 2010 |
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ISBN |
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9786612551512 |
9781282551510 |
1282551515 |
9780470740019 |
0470740019 |
9780470740002 |
0470740000 |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (274 p.) |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Broadband communication systems |
MIMO systems |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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-- Preface xi -- Acknowledgements xiii -- Abbreviations xv -- 1 Introduction 1 -- 1.1 Introduction 1 -- 1.2 UWB Basics 2 -- 1.3 MIMO Principle 6 -- 1.4 State-of-the-Art UWB-MIMO 10 -- 1.5 Scope of This Book 13 -- 1.6 Notation 15 -- 2 UWB-MIMO Channel Measurement and Models 17 -- 2.1 UWB-SISO Channel Model 18 -- 2.1.1 Large-Scale Path-Loss Models 18 -- 2.1.2 Small-Scale Fading Models 20 -- 2.2 UWB-MIMO Channel Model 23 -- 2.2.1 General Models 23 -- 2.2.2 Correlation Property 24 -- 2.3 Channel Measurement 29 -- 2.3.1 Measurement Setup 29 -- 2.3.2 Measured Results 30 -- 2.4 Ray-Tracing Simulation Tool 32 -- 2.4.1 Ray Tracing for Narrowband Systems 32 -- 2.4.2 Ray Tracing for UWB Systems 35 -- 2.5 Summary 42 -- 3 UWB Channel Capacity 45 -- 3.1 Introduction 45 -- 3.2 System Model 46 -- 3.3 Channel Capacity with Unknown CSI at the Transmitter 47 -- 3.4 Channel Capacity with Known CSI at the Transmitter 51 -- 3.4.1 The SISO Case 51 -- 3.4.2 The MIMO Case 52 -- 3.5 Special Case: SISO with Two Paths 54 -- 3.6 Simulation Results 58 -- 3.7 Channel Correlation 68 -- 3.8 Measured Channel Capacity 69 -- 3.9 Summary 71 -- 4 UWB-MIMO Space / Time Coding 73 -- 4.1 Introduction 73 -- 4.2 A Revisit of Alamouti Space / Time Coding for Narrowband Systems 74 -- 4.3 Alamouti Space / Time Coding for UWB Systems 78 -- 4.3.1 The 1S/2A Coding Scheme 78 -- 4.3.2 The 2S/2A Coding Scheme 80 -- 4.3.3 Simulation Results 82 -- 4.4 General Space / Time Coding for UWB Systems 84 -- 4.5 Performance of Antenna Selection 90 -- 4.6 Spatio-Frequency Multiplexing in MB-OFDM-Based UWB Systems 93 -- 4.7 Summary 98 -- 5 UWB Beamforming and Localization 99 -- 5.1 Introduction 99 -- 5.2 Ideal UWB Impulse Beamforming 100 -- 5.3 The Main Lobe Beamwidth of UWB Beamformers 102 -- 5.4 Optimal Beamforming 104 -- 5.5 Various Aspects of UWB Beamformers 106 -- 5.6 UWB Localization 111 -- 5.6.1 Beamforming Approach 113 -- 5.6.2 More Than Two Beamformers 115 -- 5.6.3 The BeamLoc Approach 117 -- 5.7 NLOS Issue 119 -- 5.7.1 NLOS Mitigation Based on a Priori Information 124. |
5.8 Multipath Issue 127 -- 5.9 Summary 129 -- Appendix 5.A Distribution of Ranging Noise 130 -- 6 Time-Reversal UWB Systems 135 -- 6.1 Introduction 135 -- 6.2 Motivation for the Time-Reversal Approach in UWB Systems 137 -- 6.2.1 Theoretical Basis 138 -- 6.2.2 Simulation Results 140 -- 6.2.3 Robustness of TR- and IC-Based Systems 142 -- 6.3 Two Schemes of UWB MIMO TR Systems 145 -- 6.3.1 Full TR Scheme 146 -- 6.3.2 Diagonal TR Scheme 149 -- 6.4 Pre-Equalizer Design for Spatial Multiplexing UWB SIMO TR Systems 151 -- 6.4.1 System Description 151 -- 6.4.2 Pre-Equalizer Design 152 -- 6.4.3 Numerical Results 156 -- 6.5 Antenna Selection for Time-Reversal UWB MIMO Systems 161 -- 6.6 Impact of Channel Imperfection on UWB TR Systems 163 -- 6.6.1 Channel Model 163 -- 6.6.2 Analysis of UWB SISO TR Systems 165 -- 6.6.3 Analysis of UWB MIMO TR Systems 175 -- 6.6.4 MISO TR Multiuser Communications 179 -- 6.6.5 Numerical Results 182 -- 6.7 Summary 189 -- 7 UWB Relay Systems 191 -- 7.1 Introduction 191 -- 7.2 UWB Relay Systems with SISO at Source and Destination 194 -- 7.2.1 Coherent Detection Systems 194 -- 7.2.2 Noncoherent Detection Systems 201 -- 7.2.3 Numerical Results and Concluding Remarks 206 -- 7.3 UWB Relay Systems with MIMO at Source and Destination 211 -- 7.3.1 Channel and System Models 212 -- 7.3.2 Receiver-CSI-Assisted Relay Systems 213 -- 7.3.3 Transmitter-CSI-Assisted Relay Systems 222 -- 7.3.4 Numerical Results and Discussion 225 -- 7.4 Opportunistic Relaying |
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for UWB Systems 231 -- 7.5 Summary 233 -- Appendix 7.A Derivations of cdfs and pdfs of J and J_ 234 -- Appendix 7.B Derivation of Equation (7.33) 237 -- Appendix 7.C The pdf of the End-to-End SNR per Bit for the DCF Relay -- System 237 -- References 239 -- Index 251. |
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Sommario/riassunto |
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Up-to-date coverage of the cutting-edge research on UWB Systems with Multiple Antennas In this book, the authors investigate the benefits of combining UWB and MIMO technologies; highlighting five aspects of this promising research field: channel capacity, space-time coding, beamforming and localization, time-reversal transmission, and UWB-MIMO relay. The book presents a systematic and in-depth discussion for each of the hot topics, providing an insight into the cutting-edge research currently undertaken. It is expected that the ideas and approaches illustrated in this book will inspire sparks for the emerging technologies in short-range high data-rate wireless communications and other related applications. Key Features: *Provides a thorough coverage combining the UWB and MIMO, outlining the opportunities and benefits created by the combination of these technologies *Highlights five aspects of this promising research field: channel capacity, space-time coding, beamforming and localization, time-reversal transmission, and UWB-MIMO relay *Covers UWB-MIMO channel measurement and models This book will serve as an invaluable reference for academic and professional researchers in wireless communications, and graduate students. Engineers and technical professionals will also find the book insightful. |
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3. |
Record Nr. |
UNINA9910953248103321 |
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Titolo |
Advances in materials engineering : selected, peer reviewed papers from the 2013 International Conference on Materials Engineering (ICMEN 2013), May 17-19, 2013, Nanjing, China / / edited by Yingtao Jiang and Fang He |
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Pubbl/distr/stampa |
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Durnten-Zurich ; ; Enfield, NH : , : Trans Tech Publications, , [2013] |
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©2013 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (268 p.) |
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Collana |
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Applied mechanics and materials ; ; v. 377 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Materials - Research |
Materials science |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and indexes. |
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Nota di contenuto |
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Advances on Materials Engineering; Preface and Committees; Table of Contents; Chapter 1: Reinforced Materials, Structural Materials and Engineering; Finite Element Analysis of Stiffness of Steel Plate with a Rectangular Cutout Bonded by Composite Patches; Stiffness Analysis of Steel Plate with a Rectangular Cut out Bonded by Composite Patch; Sound Insulation Performance of Finite Orthotropic Sandwich Panels; Wave Propagation in Plate Covered by Periodic Damping Structures; Numerical Modeling of Steel Fiber-Reinforced Beam |
Continuous SiC Fibre-Reinforced SiC Matrix Composites: An Analysis Based on PatentsDynamic Damage Assessment of Inter-Layer Seismic Isolation Buildings under Spectral Indicators; Static Analysis of Viscoelastic Reinforced Thick-Walled Cylinder; Chapter 2: Concrete and Cement, Mortars; Thermal Properties of PVA-Fiber Reinforced Cement Composites at High Temperatures; Effects of Fly Ash/Slag Ratio and Liquid/Binder Ratio on Strength of Alkali-Activated Fly Ash/Slag Mortars; High Temperature Testing of Cement Mortar Containing MSWI Bottom Ash |
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Compressive Strength of Cement Mortar Using Sebha Clay, Treated by Sonication MethodPerformance of High-Efficiency Liquid Cement Setting Accelerator with Alkali-Free and its Acceleration Mechanism; Influence of Fly Ash on Thaumasite Form of Sulfate Attack in Cement-Based Materials; Application of Ultrafine Fly Ash in Commercial Concrete; Ring Test for the Measurement of Restrained Shrinkage of Concrete; Prediction Model and Relationship of Compressive and Tensile Strengths for High Performance Concrete; Experiment on Properties of Recycled Aggregate Concrete |
Chapter 3: Materials Processing TechnologyControlled Rolling and Controlled Cooling Technology of Fe-C-Mn-Si Multiphase Steel; Investigations on Low Environmental Impact Machining Processes of Free Cutting Austenitic Stainless Steels; Adjustment of Mill CNC Parameters to Optimize Cutting Operation and Surface Quality on Acrylic Sheet Machining; Phase Transformation Behavior during Continuous Cooling of Fe-C-Mn-Si Multiphase Steels; Effect of Rare Earth Elements on Machining Characteristics of Austenitic Stainless Steels without Lead Addition |
Analysis of Warpage and Optimization of Parameter for Thin-Wall Plastic Part Moldflow-Based SoftwareChapter 4: Energy, Electric and Optics Materials; Optimal Charge and Discharge Capacity Effects of the Sintering Process on LiMn2O4 by the Solid-State Reaction Method; Comparative Study on Luminescent Properties of LiLa2BO5:Tb3+ Phosphors Synthesized with Different Methods; Synthesis of Ultrafine Spherical Yttrium Aluminum Garnet Powders from Yttrium Nitrate and Aluminum Nitrate System |
Barrier Properties of Printed Composite Zinc Phthalocyanine/Fullerene Sandwiched between Indium Tin Oxide and Alluminium Electrodes |
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Sommario/riassunto |
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Collection of selected, peer reviewed papers from the 2013 International Conference on Materials Engineering (ICMEN2013), May 17-19, 2013, Nanjing, China. The 46 papers are grouped as follows: Chapter 1: Reinforced Materials, Structural Materials and Engineering; Chapter 2: Concrete and Cement, Mortars; Chapter 3: Materials Processing Technology; Chapter 4: Energy, Electric and Optics Materials; Chapter 5: Nanomaterials and Nanotechnologies; Chapter 6: Bio- and Environment Materials; Chapter 7: Thin Films; Chapter 8: Polymers, Alloys and Other Materials Technologies. Drawn from the papers pres |
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