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Biblioteca

MARC Lista (tabellare)
55 IRE 2.S1 (IEEE Std No 147), IRE Standards on Antennas and Waveguides : Definitions for Waveguide Components, 1955 / / Institute of Electrical and Electronics Engineers
55 IRE 2.S1 (IEEE Std No 147), IRE Standards on Antennas and Waveguides : Definitions for Waveguide Components, 1955 / / Institute of Electrical and Electronics Engineers
Pubbl/distr/stampa Piscataway, New Jersey : , : IEEE, , 1955
Descrizione fisica 1 online resource
Disciplina 621.3824
Soggetto topico Antennas (Electronics)
Electromagnetic waves - Transmission
ISBN 1-5044-0197-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti 55 IRE 2.S1-1955 - IRE Standards on Antennas and Waveguides
IRE Standards on Antennas and Waveguides
55 IRE 2.S1
Record Nr. UNINA-9910137368103321
Piscataway, New Jersey : , : IEEE, , 1955
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
55 IRE 2.S1 (IEEE Std No 147), IRE Standards on Antennas and Waveguides : Definitions for Waveguide Components, 1955 / / Institute of Electrical and Electronics Engineers
55 IRE 2.S1 (IEEE Std No 147), IRE Standards on Antennas and Waveguides : Definitions for Waveguide Components, 1955 / / Institute of Electrical and Electronics Engineers
Pubbl/distr/stampa Piscataway, New Jersey : , : IEEE, , 1955
Descrizione fisica 1 online resource
Disciplina 621.3824
Soggetto topico Antennas (Electronics)
Electromagnetic waves - Transmission
ISBN 1-5044-0197-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti 55 IRE 2.S1-1955 - IRE Standards on Antennas and Waveguides
IRE Standards on Antennas and Waveguides
55 IRE 2.S1
Record Nr. UNISA-996280084103316
Piscataway, New Jersey : , : IEEE, , 1955
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Acoustics of moving inhomogeneities / / Andrey (Andrew) Grigorievitch Semenov
Acoustics of moving inhomogeneities / / Andrey (Andrew) Grigorievitch Semenov
Autore Semenov Andrew Grigorievitch <1943->
Pubbl/distr/stampa New York : , : Nova Publishers, , 2017
Descrizione fisica 1 online resource (266 pages) : illustrations
Disciplina 534.23
Collana Physics Research and Technology
Soggetto topico Sound - Transmission
Electromagnetic waves - Transmission
Sound-waves - Scattering
Wave-motion, Theory of
ISBN 1-5361-0015-3
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Acoustics in an ideal medium -- Sound scattering in a viscous medium -- Applications of scattering theory -- Addenda to moving media acoustics.
Record Nr. UNINA-9910155058703321
Semenov Andrew Grigorievitch <1943->  
New York : , : Nova Publishers, , 2017
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Advanced electromagnetism and vacuum physics [[electronic resource] /] / Patrick Cornille
Advanced electromagnetism and vacuum physics [[electronic resource] /] / Patrick Cornille
Autore Cornille Patrick
Pubbl/distr/stampa New Jersey, : World Scientific, 2003
Descrizione fisica 1 online resource (794 p.)
Disciplina 529.2
Collana World Scientific series in contemporary chemical physics
Soggetto topico Electromagnetic theory - Mathematics
Electromagnetic waves - Transmission
Vacuum
Soggetto genere / forma Electronic books.
ISBN 1-281-93564-6
9786611935641
981-279-522-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto CONTENTS ; PREFACE ; 1 INTRODUCTION AND SURVEY ; 2 WAVE MEANING OF THE SPECIAL RELATIVITY THEORY ; 2-1 Critical Review of the Interpretation of Special Relativity ; 2-2 Calculation of the Rectilinear Accelerated Motion of a Particle ; 2-3 Analysis of the Lorentz-Poincare Transformation
2-3-1 Constant Acceleration Motion 2-3-2 Constant Velocity Motion ; 2-4 Wave Meaning of the Lorentz-Poincare Transformation ; 2-5 Length Contraction and Time Dilation of a Moving Body ; 2-6 Comparison Between Elbaz and De Broglie Approaches
2-7 Different Meanings of the Lorentz-Poincare Transformation 2-8 The Concept of Simultaneity ; 2-9 Definition of Eulerian and Lagrangian Coordinates ; 2-9-1 Path Vector Definition ; 2-9-2 Lagrangian Definition ; 2-9-3 Eulerian Definition ; 2-9-4 Moving Grid Definition
2-9-5 Special Relativity Definition 3 CHANGE OF REFERENCE FRAME ; 3-1 Change of Reference Frame without Rotation ; 3-2 Change of Reference Frame with Rotation ; 3-2-1 Calculation of Positions in a Change of Reference Frame ; 3-2-2 Invariance of Distances in a Change of Reference Frame
3-2-3 Calculation of Velocities in a Change of Reference Frame 3-2-4 Calculation of Accelerations in a Change of Reference Frame ; 3-2-5 Derivative of a Vector in a Rotating Reference Frame ; 3-2-6 Equivalence Between the Lorentz Force and Non-inertial Terms
3-2-7 Calculation of the Stress and Rotation Dyads in a Change of Reference Frame
Record Nr. UNINA-9910454292703321
Cornille Patrick  
New Jersey, : World Scientific, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Advanced electromagnetism and vacuum physics [[electronic resource] /] / Patrick Cornille
Advanced electromagnetism and vacuum physics [[electronic resource] /] / Patrick Cornille
Autore Cornille Patrick
Pubbl/distr/stampa New Jersey, : World Scientific, 2003
Descrizione fisica 1 online resource (794 p.)
Disciplina 529.2
Collana World Scientific series in contemporary chemical physics
Soggetto topico Electromagnetic theory - Mathematics
Electromagnetic waves - Transmission
Vacuum
ISBN 1-281-93564-6
9786611935641
981-279-522-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto CONTENTS ; PREFACE ; 1 INTRODUCTION AND SURVEY ; 2 WAVE MEANING OF THE SPECIAL RELATIVITY THEORY ; 2-1 Critical Review of the Interpretation of Special Relativity ; 2-2 Calculation of the Rectilinear Accelerated Motion of a Particle ; 2-3 Analysis of the Lorentz-Poincare Transformation
2-3-1 Constant Acceleration Motion 2-3-2 Constant Velocity Motion ; 2-4 Wave Meaning of the Lorentz-Poincare Transformation ; 2-5 Length Contraction and Time Dilation of a Moving Body ; 2-6 Comparison Between Elbaz and De Broglie Approaches
2-7 Different Meanings of the Lorentz-Poincare Transformation 2-8 The Concept of Simultaneity ; 2-9 Definition of Eulerian and Lagrangian Coordinates ; 2-9-1 Path Vector Definition ; 2-9-2 Lagrangian Definition ; 2-9-3 Eulerian Definition ; 2-9-4 Moving Grid Definition
2-9-5 Special Relativity Definition 3 CHANGE OF REFERENCE FRAME ; 3-1 Change of Reference Frame without Rotation ; 3-2 Change of Reference Frame with Rotation ; 3-2-1 Calculation of Positions in a Change of Reference Frame ; 3-2-2 Invariance of Distances in a Change of Reference Frame
3-2-3 Calculation of Velocities in a Change of Reference Frame 3-2-4 Calculation of Accelerations in a Change of Reference Frame ; 3-2-5 Derivative of a Vector in a Rotating Reference Frame ; 3-2-6 Equivalence Between the Lorentz Force and Non-inertial Terms
3-2-7 Calculation of the Stress and Rotation Dyads in a Change of Reference Frame
Record Nr. UNINA-9910782116203321
Cornille Patrick  
New Jersey, : World Scientific, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Advanced electromagnetism and vacuum physics [[electronic resource] /] / Patrick Cornille
Advanced electromagnetism and vacuum physics [[electronic resource] /] / Patrick Cornille
Autore Cornille Patrick
Pubbl/distr/stampa New Jersey, : World Scientific, 2003
Descrizione fisica 1 online resource (794 p.)
Disciplina 529.2
Collana World Scientific series in contemporary chemical physics
Soggetto topico Electromagnetic theory - Mathematics
Electromagnetic waves - Transmission
Vacuum
ISBN 1-281-93564-6
9786611935641
981-279-522-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto CONTENTS ; PREFACE ; 1 INTRODUCTION AND SURVEY ; 2 WAVE MEANING OF THE SPECIAL RELATIVITY THEORY ; 2-1 Critical Review of the Interpretation of Special Relativity ; 2-2 Calculation of the Rectilinear Accelerated Motion of a Particle ; 2-3 Analysis of the Lorentz-Poincare Transformation
2-3-1 Constant Acceleration Motion 2-3-2 Constant Velocity Motion ; 2-4 Wave Meaning of the Lorentz-Poincare Transformation ; 2-5 Length Contraction and Time Dilation of a Moving Body ; 2-6 Comparison Between Elbaz and De Broglie Approaches
2-7 Different Meanings of the Lorentz-Poincare Transformation 2-8 The Concept of Simultaneity ; 2-9 Definition of Eulerian and Lagrangian Coordinates ; 2-9-1 Path Vector Definition ; 2-9-2 Lagrangian Definition ; 2-9-3 Eulerian Definition ; 2-9-4 Moving Grid Definition
2-9-5 Special Relativity Definition 3 CHANGE OF REFERENCE FRAME ; 3-1 Change of Reference Frame without Rotation ; 3-2 Change of Reference Frame with Rotation ; 3-2-1 Calculation of Positions in a Change of Reference Frame ; 3-2-2 Invariance of Distances in a Change of Reference Frame
3-2-3 Calculation of Velocities in a Change of Reference Frame 3-2-4 Calculation of Accelerations in a Change of Reference Frame ; 3-2-5 Derivative of a Vector in a Rotating Reference Frame ; 3-2-6 Equivalence Between the Lorentz Force and Non-inertial Terms
3-2-7 Calculation of the Stress and Rotation Dyads in a Change of Reference Frame
Record Nr. UNINA-9910819880903321
Cornille Patrick  
New Jersey, : World Scientific, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Anechoic and reverberation chambers : theory, design and measurements / / Qian Xu, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Yi Huang, The University of Liverpool, Liverpool, UK
Anechoic and reverberation chambers : theory, design and measurements / / Qian Xu, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Yi Huang, The University of Liverpool, Liverpool, UK
Autore Xu Qian <1985->
Pubbl/distr/stampa Hoboken, New Jersey, USA : , : Wiley-IEEE Press, , 2018
Descrizione fisica 1 online resource (381 pages)
Disciplina 621.3028/7
Soggetto topico Anechoic chambers
Electromagnetic reverberation chambers
Electromagnetic measurements
Electromagnetic waves - Transmission
Shielding (Electricity)
Soggetto genere / forma Electronic books.
ISBN 1-119-36205-9
1-119-36202-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto About the Authors xi -- About the Contributors xiii -- Acknowledgements xv -- Acronyms xvii -- 1 Introduction 1 -- 1.1 Background 1 -- 1.1.1 Anechoic Chambers 1 -- 1.1.2 Reverberation Chambers 3 -- 1.1.3 Relationship between Anechoic Chambers and Reverberation Chambers 6 -- 1.2 Organisation of this Book 6 -- References 8 -- 2 Theory for Anechoic Chamber Design 11 -- 2.1 Introduction 11 -- 2.2 Absorbing Material Basics 11 -- 2.2.1 General Knowledge 11 -- 2.2.2 Absorbing Material Simulation 14 -- 2.2.3 Absorbing Material Measurement 16 -- 2.3 CEM Algorithms Overview 22 -- 2.4 GO Theory 23 -- 2.4.1 GO from Maxwell Equations 23 -- 2.4.2 Analytical Expression of a Reflected Field from a Curved Surface 24 -- 2.4.3 Alternative GO Form 28 -- 2.5 GO-FEM Hybrid Method 29 -- 2.6 Summary 30 -- References 30 -- 3 Computer-aided Anechoic Chamber Design 35 -- 3.1 Introduction 35 -- 3.2 Framework 35 -- 3.3 Software Implementation 35 -- 3.3.1 3D Model Description 35 -- 3.3.2 Algorithm Complexities 36 -- 3.3.3 Far-Field Data 39 -- 3.3.4 Boundary Conditions 40 -- 3.3.5 RAM Description 41 -- 3.3.6 Forward Algorithm 42 -- 3.3.7 Inverse Algorithm 54 -- 3.3.8 Post Processing 55 -- 3.4 Summary 56 -- References 57 -- 4 Anechoic Chamber Design Examples and Verifications 59 -- 4.1 Introduction 59 -- 4.2 Normalised Site Attenuation 59 -- 4.2.1 NSA Definition 59 -- 4.2.2 NSA Simulation and Measurement 60 -- 4.3 Site Voltage Standing Wave Ratio 68 -- 4.3.1 SVSWR Definition 68 -- 4.3.2 SVSWR Simulation and Measurement 72 -- 4.4 Field Uniformity 75 -- 4.4.1 FU Definition 75 -- 4.4.2 FU Simulation and Measurement 76 -- 4.5 Design Margin 79 -- 4.6 Summary 86 -- References 87 -- 5 Fundamentals of the Reverberation Chamber 89 -- 5.1 Introduction 89 -- 5.2 Resonant Cavity Model 89 -- 5.3 Ray Model 95 -- 5.4 Statistical Electromagnetics 96 -- 5.4.1 Plane-Wave Spectrum Model 96 -- 5.4.2 Field Correlations 99 -- 5.4.3 Boundary Fields 102 -- 5.4.4 Enhanced Backscattering Effect 108 -- 5.4.5 Loss Mechanism 109.
5.4.6 Probability Distribution Functions 112 -- 5.5 Figures of Merit 117 -- 5.5.1 Field Uniformity 117 -- 5.5.2 Lowest Usable Frequency 121 -- 5.5.3 Correlation Coefficient and Independent Sample Number 121 -- 5.5.4 Field Anisotropy Coefficients and Inhomogeneity Coefficients 124 -- 5.5.5 Stirring Ratio 126 -- 5.5.6 K-Factor 126 -- 5.6 Summary 128 -- References 128 -- 6 The Design of a Reverberation Chamber 133 -- 6.1 Introduction 133 -- 6.2 Design Guidelines 133 -- 6.2.1 The Shape of the RC 133 -- 6.2.2 The Lowest Usable Frequency 134 -- 6.2.3 The Working Volume 135 -- 6.2.4 The Q Factor 135 -- 6.2.5 The Stirrer Design 137 -- 6.3 Simulation of the RC 140 -- 6.3.1 Monte Carlo Method 140 -- 6.3.2 Time Domain Simulation 142 -- 6.3.3 Frequency Domain Simulation 142 -- 6.4 Time Domain Characterisation of the RC 145 -- 6.4.1 Statistical Behaviour in the Time Domain 146 -- 6.4.2 Stirrer Efficiency Based on Total Scattering Cross Section 151 -- 6.4.3 Time-Gating Technique 163 -- 6.5 Duality Principle in the RC 166 -- 6.6 The Limit of ACS and TSCS 169 -- 6.7 Design Example 172 -- 6.8 Summary 174 -- References 174 -- 7 Applications in the Reverberation Chamber 185 -- 7.1 Introduction 185 -- 7.2 Q Factor and Decay Constant 185 -- 7.3 Radiated Immunity Test 192 -- 7.4 Radiated Emission Measurement 193 -- 7.5 Free-Space Antenna S-Parameter Measurement 196 -- 7.6 Antenna Radiation Efficiency Measurement 199 -- 7.6.1 Reference Antenna Method 199 -- 7.6.2 Non-reference Antenna Method 200 -- 7.7 MIMO Antenna and Channel Emulation 212 -- 7.7.1 Diversity Gain Measurement 212 -- 7.7.2 Total Isotropic Sensitivity Measurement 219 -- 7.7.3 Channel Capacity Measurement 220 -- 7.7.4 Doppler Effect 220 -- 7.8 Antenna Radiation Pattern Measurement 223 -- 7.8.1 Theory 223 -- 7.8.2 Simulations and Measurements 228 -- 7.8.3 Discussion and Error Analysis 238 -- 7.9 Material Measurements 243 -- 7.9.1 Absorption Cross Section 243 -- 7.9.2 Average Absorption Coefficient 250 -- 7.9.3 Permittivity 257.
7.9.4 Material Shielding Effectiveness 263 -- 7.10 Cavity Shielding Effectiveness Measurement 264 -- 7.11 Volume Measurement 270 -- 7.12 Summary 276 -- References 276 -- 8 Measurement Uncertainty in the Reverberation Chamber 283 /Xiaoming Chen, Yuxin Ren, and Zhihua Zhang -- 8.1 Introduction 283 -- 8.2 Procedure for Uncertainty Characterisation 283 -- 8.3 Uncertainty Model 283 -- 8.3.1 ACF Method 284 -- 8.3.2 DoF Method 285 -- 8.3.3 Comparison of ACF and DoF Methods 286 -- 8.3.4 Semi-empirical Model 289 -- 8.4 Measurement Uncertainty of Antenna Efficiency 293 -- 8.5 Summary 300 -- References 301 -- 9 Inter-Comparison Between Antenna Radiation Efficiency Measurements Performed in an Anechoic Chamber and in a Reverberation Chamber 305 /Tian-Hong Loh and Wanquan Qi -- 9.1 Introduction 305 -- 9.2 Measurement Facilities and Setups 306 -- 9.2.1 Anechoic Chamber 306 -- 9.2.2 Reverberation Chamber 307 -- 9.3 Antenna Efficiency Measurements 308 -- 9.3.1 Theory 308 -- 9.3.1.1 Radiation Efficiency Using the Anechoic Chamber 308 -- 9.3.1.2 Radiation Efficiency Using the Reverberation Chamber 309 -- 9.3.2 Comparison Between the AC and the RC 309 -- 9.3.2.1 Biconical Antenna 309 -- 9.3.2.2 Horn Antenna 312 -- 9.3.2.3 MIMO Antenna 312 -- 9.4 Summary 318 -- Acknowledgement 319 -- References 319 -- 10 Discussion on Future Applications 323 -- 10.1 Introduction 323 -- 10.2 Anechoic Chambers 323 -- 10.3 Reverberation Chambers 323 -- References 325 -- Appendix A Code Snippets 327 -- Appendix B Reference NSA Values 339 -- Appendix C Test Report Template 345 -- Appendix D Typical Bandpass Filters 351 -- Appendix E Compact Reverberation Chamber at NUAA 359 -- Appendix F Relevant Statistics 373 -- Index 379.
Record Nr. UNINA-9910466907303321
Xu Qian <1985->  
Hoboken, New Jersey, USA : , : Wiley-IEEE Press, , 2018
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Anechoic and reverberation chambers : theory, design and measurements / / Qian Xu, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Yi Huang, The University of Liverpool, Liverpool, UK
Anechoic and reverberation chambers : theory, design and measurements / / Qian Xu, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Yi Huang, The University of Liverpool, Liverpool, UK
Autore Xu Qian <1985->
Pubbl/distr/stampa Hoboken, New Jersey, USA : , : Wiley-IEEE Press, , 2018
Descrizione fisica 1 online resource (381 pages)
Disciplina 621.3028/7
Collana THEi Wiley ebooks.
Soggetto topico Anechoic chambers
Electromagnetic reverberation chambers
Electromagnetic measurements
Electromagnetic waves - Transmission
Shielding (Electricity)
ISBN 1-119-36204-0
1-119-36205-9
1-119-36202-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto About the Authors xi -- About the Contributors xiii -- Acknowledgements xv -- Acronyms xvii -- 1 Introduction 1 -- 1.1 Background 1 -- 1.1.1 Anechoic Chambers 1 -- 1.1.2 Reverberation Chambers 3 -- 1.1.3 Relationship between Anechoic Chambers and Reverberation Chambers 6 -- 1.2 Organisation of this Book 6 -- References 8 -- 2 Theory for Anechoic Chamber Design 11 -- 2.1 Introduction 11 -- 2.2 Absorbing Material Basics 11 -- 2.2.1 General Knowledge 11 -- 2.2.2 Absorbing Material Simulation 14 -- 2.2.3 Absorbing Material Measurement 16 -- 2.3 CEM Algorithms Overview 22 -- 2.4 GO Theory 23 -- 2.4.1 GO from Maxwell Equations 23 -- 2.4.2 Analytical Expression of a Reflected Field from a Curved Surface 24 -- 2.4.3 Alternative GO Form 28 -- 2.5 GO-FEM Hybrid Method 29 -- 2.6 Summary 30 -- References 30 -- 3 Computer-aided Anechoic Chamber Design 35 -- 3.1 Introduction 35 -- 3.2 Framework 35 -- 3.3 Software Implementation 35 -- 3.3.1 3D Model Description 35 -- 3.3.2 Algorithm Complexities 36 -- 3.3.3 Far-Field Data 39 -- 3.3.4 Boundary Conditions 40 -- 3.3.5 RAM Description 41 -- 3.3.6 Forward Algorithm 42 -- 3.3.7 Inverse Algorithm 54 -- 3.3.8 Post Processing 55 -- 3.4 Summary 56 -- References 57 -- 4 Anechoic Chamber Design Examples and Verifications 59 -- 4.1 Introduction 59 -- 4.2 Normalised Site Attenuation 59 -- 4.2.1 NSA Definition 59 -- 4.2.2 NSA Simulation and Measurement 60 -- 4.3 Site Voltage Standing Wave Ratio 68 -- 4.3.1 SVSWR Definition 68 -- 4.3.2 SVSWR Simulation and Measurement 72 -- 4.4 Field Uniformity 75 -- 4.4.1 FU Definition 75 -- 4.4.2 FU Simulation and Measurement 76 -- 4.5 Design Margin 79 -- 4.6 Summary 86 -- References 87 -- 5 Fundamentals of the Reverberation Chamber 89 -- 5.1 Introduction 89 -- 5.2 Resonant Cavity Model 89 -- 5.3 Ray Model 95 -- 5.4 Statistical Electromagnetics 96 -- 5.4.1 Plane-Wave Spectrum Model 96 -- 5.4.2 Field Correlations 99 -- 5.4.3 Boundary Fields 102 -- 5.4.4 Enhanced Backscattering Effect 108 -- 5.4.5 Loss Mechanism 109.
5.4.6 Probability Distribution Functions 112 -- 5.5 Figures of Merit 117 -- 5.5.1 Field Uniformity 117 -- 5.5.2 Lowest Usable Frequency 121 -- 5.5.3 Correlation Coefficient and Independent Sample Number 121 -- 5.5.4 Field Anisotropy Coefficients and Inhomogeneity Coefficients 124 -- 5.5.5 Stirring Ratio 126 -- 5.5.6 K-Factor 126 -- 5.6 Summary 128 -- References 128 -- 6 The Design of a Reverberation Chamber 133 -- 6.1 Introduction 133 -- 6.2 Design Guidelines 133 -- 6.2.1 The Shape of the RC 133 -- 6.2.2 The Lowest Usable Frequency 134 -- 6.2.3 The Working Volume 135 -- 6.2.4 The Q Factor 135 -- 6.2.5 The Stirrer Design 137 -- 6.3 Simulation of the RC 140 -- 6.3.1 Monte Carlo Method 140 -- 6.3.2 Time Domain Simulation 142 -- 6.3.3 Frequency Domain Simulation 142 -- 6.4 Time Domain Characterisation of the RC 145 -- 6.4.1 Statistical Behaviour in the Time Domain 146 -- 6.4.2 Stirrer Efficiency Based on Total Scattering Cross Section 151 -- 6.4.3 Time-Gating Technique 163 -- 6.5 Duality Principle in the RC 166 -- 6.6 The Limit of ACS and TSCS 169 -- 6.7 Design Example 172 -- 6.8 Summary 174 -- References 174 -- 7 Applications in the Reverberation Chamber 185 -- 7.1 Introduction 185 -- 7.2 Q Factor and Decay Constant 185 -- 7.3 Radiated Immunity Test 192 -- 7.4 Radiated Emission Measurement 193 -- 7.5 Free-Space Antenna S-Parameter Measurement 196 -- 7.6 Antenna Radiation Efficiency Measurement 199 -- 7.6.1 Reference Antenna Method 199 -- 7.6.2 Non-reference Antenna Method 200 -- 7.7 MIMO Antenna and Channel Emulation 212 -- 7.7.1 Diversity Gain Measurement 212 -- 7.7.2 Total Isotropic Sensitivity Measurement 219 -- 7.7.3 Channel Capacity Measurement 220 -- 7.7.4 Doppler Effect 220 -- 7.8 Antenna Radiation Pattern Measurement 223 -- 7.8.1 Theory 223 -- 7.8.2 Simulations and Measurements 228 -- 7.8.3 Discussion and Error Analysis 238 -- 7.9 Material Measurements 243 -- 7.9.1 Absorption Cross Section 243 -- 7.9.2 Average Absorption Coefficient 250 -- 7.9.3 Permittivity 257.
7.9.4 Material Shielding Effectiveness 263 -- 7.10 Cavity Shielding Effectiveness Measurement 264 -- 7.11 Volume Measurement 270 -- 7.12 Summary 276 -- References 276 -- 8 Measurement Uncertainty in the Reverberation Chamber 283 /Xiaoming Chen, Yuxin Ren, and Zhihua Zhang -- 8.1 Introduction 283 -- 8.2 Procedure for Uncertainty Characterisation 283 -- 8.3 Uncertainty Model 283 -- 8.3.1 ACF Method 284 -- 8.3.2 DoF Method 285 -- 8.3.3 Comparison of ACF and DoF Methods 286 -- 8.3.4 Semi-empirical Model 289 -- 8.4 Measurement Uncertainty of Antenna Efficiency 293 -- 8.5 Summary 300 -- References 301 -- 9 Inter-Comparison Between Antenna Radiation Efficiency Measurements Performed in an Anechoic Chamber and in a Reverberation Chamber 305 /Tian-Hong Loh and Wanquan Qi -- 9.1 Introduction 305 -- 9.2 Measurement Facilities and Setups 306 -- 9.2.1 Anechoic Chamber 306 -- 9.2.2 Reverberation Chamber 307 -- 9.3 Antenna Efficiency Measurements 308 -- 9.3.1 Theory 308 -- 9.3.1.1 Radiation Efficiency Using the Anechoic Chamber 308 -- 9.3.1.2 Radiation Efficiency Using the Reverberation Chamber 309 -- 9.3.2 Comparison Between the AC and the RC 309 -- 9.3.2.1 Biconical Antenna 309 -- 9.3.2.2 Horn Antenna 312 -- 9.3.2.3 MIMO Antenna 312 -- 9.4 Summary 318 -- Acknowledgement 319 -- References 319 -- 10 Discussion on Future Applications 323 -- 10.1 Introduction 323 -- 10.2 Anechoic Chambers 323 -- 10.3 Reverberation Chambers 323 -- References 325 -- Appendix A Code Snippets 327 -- Appendix B Reference NSA Values 339 -- Appendix C Test Report Template 345 -- Appendix D Typical Bandpass Filters 351 -- Appendix E Compact Reverberation Chamber at NUAA 359 -- Appendix F Relevant Statistics 373 -- Index 379.
Record Nr. UNINA-9910535551703321
Xu Qian <1985->  
Hoboken, New Jersey, USA : , : Wiley-IEEE Press, , 2018
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Anechoic and reverberation chambers : theory, design and measurements / / Qian Xu, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Yi Huang, The University of Liverpool, Liverpool, UK
Anechoic and reverberation chambers : theory, design and measurements / / Qian Xu, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Yi Huang, The University of Liverpool, Liverpool, UK
Autore Xu Qian <1985->
Pubbl/distr/stampa Hoboken, New Jersey, USA : , : Wiley-IEEE Press, , 2018
Descrizione fisica 1 online resource (381 pages)
Disciplina 621.3028/7
Collana THEi Wiley ebooks.
Soggetto topico Anechoic chambers
Electromagnetic reverberation chambers
Electromagnetic measurements
Electromagnetic waves - Transmission
Shielding (Electricity)
ISBN 1-119-36204-0
1-119-36205-9
1-119-36202-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto About the Authors xi -- About the Contributors xiii -- Acknowledgements xv -- Acronyms xvii -- 1 Introduction 1 -- 1.1 Background 1 -- 1.1.1 Anechoic Chambers 1 -- 1.1.2 Reverberation Chambers 3 -- 1.1.3 Relationship between Anechoic Chambers and Reverberation Chambers 6 -- 1.2 Organisation of this Book 6 -- References 8 -- 2 Theory for Anechoic Chamber Design 11 -- 2.1 Introduction 11 -- 2.2 Absorbing Material Basics 11 -- 2.2.1 General Knowledge 11 -- 2.2.2 Absorbing Material Simulation 14 -- 2.2.3 Absorbing Material Measurement 16 -- 2.3 CEM Algorithms Overview 22 -- 2.4 GO Theory 23 -- 2.4.1 GO from Maxwell Equations 23 -- 2.4.2 Analytical Expression of a Reflected Field from a Curved Surface 24 -- 2.4.3 Alternative GO Form 28 -- 2.5 GO-FEM Hybrid Method 29 -- 2.6 Summary 30 -- References 30 -- 3 Computer-aided Anechoic Chamber Design 35 -- 3.1 Introduction 35 -- 3.2 Framework 35 -- 3.3 Software Implementation 35 -- 3.3.1 3D Model Description 35 -- 3.3.2 Algorithm Complexities 36 -- 3.3.3 Far-Field Data 39 -- 3.3.4 Boundary Conditions 40 -- 3.3.5 RAM Description 41 -- 3.3.6 Forward Algorithm 42 -- 3.3.7 Inverse Algorithm 54 -- 3.3.8 Post Processing 55 -- 3.4 Summary 56 -- References 57 -- 4 Anechoic Chamber Design Examples and Verifications 59 -- 4.1 Introduction 59 -- 4.2 Normalised Site Attenuation 59 -- 4.2.1 NSA Definition 59 -- 4.2.2 NSA Simulation and Measurement 60 -- 4.3 Site Voltage Standing Wave Ratio 68 -- 4.3.1 SVSWR Definition 68 -- 4.3.2 SVSWR Simulation and Measurement 72 -- 4.4 Field Uniformity 75 -- 4.4.1 FU Definition 75 -- 4.4.2 FU Simulation and Measurement 76 -- 4.5 Design Margin 79 -- 4.6 Summary 86 -- References 87 -- 5 Fundamentals of the Reverberation Chamber 89 -- 5.1 Introduction 89 -- 5.2 Resonant Cavity Model 89 -- 5.3 Ray Model 95 -- 5.4 Statistical Electromagnetics 96 -- 5.4.1 Plane-Wave Spectrum Model 96 -- 5.4.2 Field Correlations 99 -- 5.4.3 Boundary Fields 102 -- 5.4.4 Enhanced Backscattering Effect 108 -- 5.4.5 Loss Mechanism 109.
5.4.6 Probability Distribution Functions 112 -- 5.5 Figures of Merit 117 -- 5.5.1 Field Uniformity 117 -- 5.5.2 Lowest Usable Frequency 121 -- 5.5.3 Correlation Coefficient and Independent Sample Number 121 -- 5.5.4 Field Anisotropy Coefficients and Inhomogeneity Coefficients 124 -- 5.5.5 Stirring Ratio 126 -- 5.5.6 K-Factor 126 -- 5.6 Summary 128 -- References 128 -- 6 The Design of a Reverberation Chamber 133 -- 6.1 Introduction 133 -- 6.2 Design Guidelines 133 -- 6.2.1 The Shape of the RC 133 -- 6.2.2 The Lowest Usable Frequency 134 -- 6.2.3 The Working Volume 135 -- 6.2.4 The Q Factor 135 -- 6.2.5 The Stirrer Design 137 -- 6.3 Simulation of the RC 140 -- 6.3.1 Monte Carlo Method 140 -- 6.3.2 Time Domain Simulation 142 -- 6.3.3 Frequency Domain Simulation 142 -- 6.4 Time Domain Characterisation of the RC 145 -- 6.4.1 Statistical Behaviour in the Time Domain 146 -- 6.4.2 Stirrer Efficiency Based on Total Scattering Cross Section 151 -- 6.4.3 Time-Gating Technique 163 -- 6.5 Duality Principle in the RC 166 -- 6.6 The Limit of ACS and TSCS 169 -- 6.7 Design Example 172 -- 6.8 Summary 174 -- References 174 -- 7 Applications in the Reverberation Chamber 185 -- 7.1 Introduction 185 -- 7.2 Q Factor and Decay Constant 185 -- 7.3 Radiated Immunity Test 192 -- 7.4 Radiated Emission Measurement 193 -- 7.5 Free-Space Antenna S-Parameter Measurement 196 -- 7.6 Antenna Radiation Efficiency Measurement 199 -- 7.6.1 Reference Antenna Method 199 -- 7.6.2 Non-reference Antenna Method 200 -- 7.7 MIMO Antenna and Channel Emulation 212 -- 7.7.1 Diversity Gain Measurement 212 -- 7.7.2 Total Isotropic Sensitivity Measurement 219 -- 7.7.3 Channel Capacity Measurement 220 -- 7.7.4 Doppler Effect 220 -- 7.8 Antenna Radiation Pattern Measurement 223 -- 7.8.1 Theory 223 -- 7.8.2 Simulations and Measurements 228 -- 7.8.3 Discussion and Error Analysis 238 -- 7.9 Material Measurements 243 -- 7.9.1 Absorption Cross Section 243 -- 7.9.2 Average Absorption Coefficient 250 -- 7.9.3 Permittivity 257.
7.9.4 Material Shielding Effectiveness 263 -- 7.10 Cavity Shielding Effectiveness Measurement 264 -- 7.11 Volume Measurement 270 -- 7.12 Summary 276 -- References 276 -- 8 Measurement Uncertainty in the Reverberation Chamber 283 /Xiaoming Chen, Yuxin Ren, and Zhihua Zhang -- 8.1 Introduction 283 -- 8.2 Procedure for Uncertainty Characterisation 283 -- 8.3 Uncertainty Model 283 -- 8.3.1 ACF Method 284 -- 8.3.2 DoF Method 285 -- 8.3.3 Comparison of ACF and DoF Methods 286 -- 8.3.4 Semi-empirical Model 289 -- 8.4 Measurement Uncertainty of Antenna Efficiency 293 -- 8.5 Summary 300 -- References 301 -- 9 Inter-Comparison Between Antenna Radiation Efficiency Measurements Performed in an Anechoic Chamber and in a Reverberation Chamber 305 /Tian-Hong Loh and Wanquan Qi -- 9.1 Introduction 305 -- 9.2 Measurement Facilities and Setups 306 -- 9.2.1 Anechoic Chamber 306 -- 9.2.2 Reverberation Chamber 307 -- 9.3 Antenna Efficiency Measurements 308 -- 9.3.1 Theory 308 -- 9.3.1.1 Radiation Efficiency Using the Anechoic Chamber 308 -- 9.3.1.2 Radiation Efficiency Using the Reverberation Chamber 309 -- 9.3.2 Comparison Between the AC and the RC 309 -- 9.3.2.1 Biconical Antenna 309 -- 9.3.2.2 Horn Antenna 312 -- 9.3.2.3 MIMO Antenna 312 -- 9.4 Summary 318 -- Acknowledgement 319 -- References 319 -- 10 Discussion on Future Applications 323 -- 10.1 Introduction 323 -- 10.2 Anechoic Chambers 323 -- 10.3 Reverberation Chambers 323 -- References 325 -- Appendix A Code Snippets 327 -- Appendix B Reference NSA Values 339 -- Appendix C Test Report Template 345 -- Appendix D Typical Bandpass Filters 351 -- Appendix E Compact Reverberation Chamber at NUAA 359 -- Appendix F Relevant Statistics 373 -- Index 379.
Record Nr. UNINA-9910827379303321
Xu Qian <1985->  
Hoboken, New Jersey, USA : , : Wiley-IEEE Press, , 2018
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Electromagnetic analysis using transmission line variables [[electronic resource] /] / Maurice Weiner
Electromagnetic analysis using transmission line variables [[electronic resource] /] / Maurice Weiner
Autore Weiner Maurice
Edizione [2nd ed.]
Pubbl/distr/stampa Hackensack, N.J., : World Scientific, c2010
Descrizione fisica 1 online resource (500 p.)
Disciplina 530.141
621.34
Soggetto topico Electromagnetic fields - Mathematics
Electromagnetic theory - Mathematics
Electric lines
Electromagnetic waves - Transmission
Soggetto genere / forma Electronic books.
ISBN 1-283-14390-9
9786613143907
981-4287-49-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preface; CONTENTS; 1. INTRODUCTION TO TRANSMISSION LINES AND THEIR APPLICATION TO ELECTROMAGNETIC PHENOMENA; 2. NOTATION AND MAPPING OF PHYSICAL PROPERTIES; 3. SCATTERING EQUATIONS; 4. CORRECTIONS FOR PLANE WAVES AND GRID ANISOTROPY EFFECTS; 5. BOUNDARY CONDITIONS AND DISPERSION.; 6. CELL DISCHARGE PROPERTIES AND INTEGRATION OF TRANSPORT PHENOMENA INTO THE TRANSMISSION LINE MATRIX; 7. DESCRIPTION OF TLM ITERATION; 8. SPICE SOLUTIONS; Biography of Maurice Weiner; Index
Record Nr. UNINA-9910463956003321
Weiner Maurice  
Hackensack, N.J., : World Scientific, c2010
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui