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Circularly Polarized Dielectric Resonator Antennas
Circularly Polarized Dielectric Resonator Antennas
Autore Chaudhary Raghvendra Kumar
Edizione [1st ed.]
Pubbl/distr/stampa Norwood : , : Artech House, , 2021
Descrizione fisica 1 online resource (271 pages)
Disciplina 621.3824
Altri autori (Persone) KumarRajkishor
ChowdhuryRakesh
Soggetto topico Dielectric resonators
Antennas (Electronics)
Dielectric devices
Microwave devices
Résonateurs diélectriques
Antennes (Électronique)
Dispositifs diélectriques
Dispositifs à micro-ondes
ISBN 1-63081-818-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Circularly Polarized DielectricResonator Antennas -- Contents -- 1 Introductory Remarks -- 1.1 Introduction to Circular Polarization -- 1.2 Brief Overview of Different Polarization States -- 1.3 History of Dielectric Resonators -- 1.4 Basic Features of Dielectric Resonator Antennas -- 1.5 Circular Polarization in Dielectric Resonator Antennas -- 1.6 Agenda of the Book -- References -- 2 Dielectric Resonator Antenna Theory -- 2.1 Dielectric Resonator as Circuit Element -- 2.2 Dielectric Resonators as Antenna Element -- 2.3 Mode Classification in Dielectric Resonators -- 2.4 Shapes of Dielectric Resonators -- 2.4.1 Hemispherical DRA -- 2.4.2 Cylindrical DRA -- 2.4.3 Rectangular DRA -- 2.5 Coupling Mechanism of Dielectric Resonator Antenna -- 2.5.1 Coaxial Probe Coupling -- 2.5.2 Microstrip Coupling -- 2.5.3 Conformal Coupling -- 2.5.4 Aperture Coupling -- 2.5.5 Coplanar Waveguide Feed Coupling -- 2.6 Circular Polarization Generation Approaches in DRAs -- References -- 3 Circular Polarization Analysis in Dielectric Resonator Antennas Using the Microstrip Coupling Technique -- 3.1 Introduction to the Microstrip Coupling Technique -- 3.2 Design Example Using Microstrip Coupling for CP Generation -- 3.2.1 Antenna Configuration -- 3.2.2 Operating Mechanism -- 3.2.3 Electric-Field Distributions in the Rectangular DRA -- 3.2.4 The Role of Partial Ground Plane -- 3.2.5 Analysis of Simulated Results -- 3.3 CP Generation in Conventional DRA Configurations -- 3.3.1 Single-Point-Fed -- 3.3.2 Single-Point-Fed with Shorted/Open-Ended Stubs -- 3.3.3 Single-Point-Fed along with Parasitic Metallic Plates/Strip -- 3.4 CP Generation in Nonconventional DRA Configurations -- 3.4.1 Single-Point-Fed -- 3.4.2 Dual-Point-Fed -- 3.5 CP Generation in Multiple DRA Configurations -- 3.5.1 Single-Point-Fed -- 3.5.2 Dual-/Multiple-Point-Fed.
3.6 Microstrip Coupling in MIMO-DRA Configurations for CP -- 3.7 Microstrip Coupling in Array Configurations for CP -- 3.8 Microstrip Coupling in Filtering DRA Configurations -- 3.9 Summary -- References -- 4 Circular Polarization Analysis in Dielectric Resonator Antenna Using Conformal Coupling Technique -- 4.1 Introduction to the Conformal Coupling Technique -- 4.2 Design Methodology of Conformal Coupling Technique CP-DRAs -- 4.2.1 Antenna Element Configuration -- 4.2.2 Operating Mechanism -- 4.2.3 E-field Distributions of the Cylindrical DRA -- 4.2.4 Key Parameter-Feeding Network -- 4.2.5 Simulated Near- and Far-Field Results Analysis -- 4.3 Conformal Coupling in a Conventional DRA -- 4.3.1 Single-Point Conformal-Fed Convention Single DRA -- 4.3.2 Single-Point Conformal-Fed along with Shorted/Open-Ended Stubs on a Single DRA -- 4.3.3 Dual-/Multiple-Point Conformal-Fed on a Single DRA -- 4.4 Conformal Coupling in a Modified DRA for CP Configuration -- 4.4.1 Single-Point Conformal-Fed with a Modified DRA -- 4.4.2 Dual-Point Conformal Fed with a Modified Single DRA -- 4.5 Conformal Coupling in Multiple DRAs for CP Configuration -- 4.5.1 Single-Point Conformal-Fed Multiple DRA -- 4.5.2 Dual-/Multiple-Point Conformal-Fed Multiple DRA -- 4.6 Conformal Strip Coupling in MIMO CP-DRA Configuration -- 4.7 Conformal Coupling Array and Filtering CP-DRA Configuration -- 4.7.1 Conformal Strip-Fed Circularly Polarized DRA Array -- 4.7.2 Conformal Strip-Fed Circularly Polarized DRA Filter -- 4.8 Summary -- References -- 5 Coplanar Waveguide-Fed Dielectric Resonator Antenna for Circular Polarization -- 5.1 Introduction to Coplanar Waveguide Feeding Technique -- 5.2 CP Generation Techniques in DRAs Using CPW Feeding -- 5.3 Design Example for a CPW-Fed Circularly Polarized DRA -- 5.3.1 Antenna Design Methodology and Discussion -- 5.4 Summary -- References.
6 Aperture-Fed Dielectric Resonator Antennas for Circular Polarization -- 6.1 Introduction to the Aperture Coupling Technique -- 6.2 CP Generation Using Rectangular Slot Coupling -- 6.2.1 Dual-Point Slot-Fed DRAs for Circular Polarization -- 6.2.2 Single-Point Slot-Fed Conventional DRAs for Circular Polarization -- 6.2.3 Single-Point-Fed Multielement Conventional DRAs for CP -- 6.2.4 Single-Point-Fed Nonconventional DRAs for Circular Polarization -- 6.3 CP Generation Using Cross Slot Coupling -- 6.4 CP Generation Using the Annular Slot Coupling Technique -- 6.5 Different Shapes of DRAs Coupled with Modified Slot -- 6.6 Design Example of a Cross-Slot DRA for CP Generation -- 6.7 Circular Polarization in Different Applications of DRAs -- 6.8 Comparison between Various Aperture-Fed Methods -- 6.9 Summary -- References -- 7 Coaxial Probe-Fed Dielectric Resonator Antennas for Circular Polarization -- 7.1 Introduction to the Coaxial Probe-Feeding Technique -- 7.2 CP Generation in Conventional DRAs -- 7.2.1 Dual-Feed Technique -- 7.2.2 Single-Feed Technique -- 7.2.3 Design Example for CP Generation in a Conventional DRA -- 7.3 CP Generation in Nonconventional DRAs -- 7.4 CP Generation in Multielement DRAs -- 7.5 Probe-Fed Circularly Polarized DRAs for Other Applications -- 7.6 Summary -- References -- 8 Sectorization Approach in Dielectric Resonator Antennas for Circular Polarization -- 8.1 Introduction to the Sectorization Technique -- 8.2 The Sectorization Technique in Cylindrical DRAs -- 8.2.1 Mode Nomenclature in Sectored CDRAs -- 8.2.2 Analysis of Circular Polarization in Sectored Cylindrical DRAs -- 8.3 The Sectorization Technique in Hemispherical DRAs -- 8.3.1 Past Research on Sectorization Techniques in Hemispherical DRAs -- 8.3.2 Analysis of Circular Polarization in Sectored HDRAs -- 8.4 A New CP Generation Approach in DRAs Using Sectorization.
8.4.1 Analysis of Circular Polarization in Modified Geometry -- 8.5 The Sectorization Technique in CP-MIMO Antennas -- 8.6 Summary -- References -- 9 The State of the Art in Circularly Polarized Dielectric Resonator Antennas -- 9.1 Circularly Polarized DRAs in Substrate Integrated Waveguide Technology -- 9.2 Techniques Using Circularly Polarized Liquid DRAs -- 9.3 Miscellaneous Research Areas in Circularly Polarized DRAs -- 9.4 Concluding Remarks -- References -- About the Authors -- Index.
Record Nr. UNINA-9910795764703321
Chaudhary Raghvendra Kumar  
Norwood : , : Artech House, , 2021
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Circularly Polarized Dielectric Resonator Antennas
Circularly Polarized Dielectric Resonator Antennas
Autore Chaudhary Raghvendra Kumar
Edizione [1st ed.]
Pubbl/distr/stampa Norwood : , : Artech House, , 2021
Descrizione fisica 1 online resource (271 pages)
Disciplina 621.3824
Altri autori (Persone) KumarRajkishor
ChowdhuryRakesh
Soggetto topico Dielectric resonators
Antennas (Electronics)
Dielectric devices
Microwave devices
Résonateurs diélectriques
Antennes (Électronique)
Dispositifs diélectriques
Dispositifs à micro-ondes
ISBN 1-63081-818-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Circularly Polarized DielectricResonator Antennas -- Contents -- 1 Introductory Remarks -- 1.1 Introduction to Circular Polarization -- 1.2 Brief Overview of Different Polarization States -- 1.3 History of Dielectric Resonators -- 1.4 Basic Features of Dielectric Resonator Antennas -- 1.5 Circular Polarization in Dielectric Resonator Antennas -- 1.6 Agenda of the Book -- References -- 2 Dielectric Resonator Antenna Theory -- 2.1 Dielectric Resonator as Circuit Element -- 2.2 Dielectric Resonators as Antenna Element -- 2.3 Mode Classification in Dielectric Resonators -- 2.4 Shapes of Dielectric Resonators -- 2.4.1 Hemispherical DRA -- 2.4.2 Cylindrical DRA -- 2.4.3 Rectangular DRA -- 2.5 Coupling Mechanism of Dielectric Resonator Antenna -- 2.5.1 Coaxial Probe Coupling -- 2.5.2 Microstrip Coupling -- 2.5.3 Conformal Coupling -- 2.5.4 Aperture Coupling -- 2.5.5 Coplanar Waveguide Feed Coupling -- 2.6 Circular Polarization Generation Approaches in DRAs -- References -- 3 Circular Polarization Analysis in Dielectric Resonator Antennas Using the Microstrip Coupling Technique -- 3.1 Introduction to the Microstrip Coupling Technique -- 3.2 Design Example Using Microstrip Coupling for CP Generation -- 3.2.1 Antenna Configuration -- 3.2.2 Operating Mechanism -- 3.2.3 Electric-Field Distributions in the Rectangular DRA -- 3.2.4 The Role of Partial Ground Plane -- 3.2.5 Analysis of Simulated Results -- 3.3 CP Generation in Conventional DRA Configurations -- 3.3.1 Single-Point-Fed -- 3.3.2 Single-Point-Fed with Shorted/Open-Ended Stubs -- 3.3.3 Single-Point-Fed along with Parasitic Metallic Plates/Strip -- 3.4 CP Generation in Nonconventional DRA Configurations -- 3.4.1 Single-Point-Fed -- 3.4.2 Dual-Point-Fed -- 3.5 CP Generation in Multiple DRA Configurations -- 3.5.1 Single-Point-Fed -- 3.5.2 Dual-/Multiple-Point-Fed.
3.6 Microstrip Coupling in MIMO-DRA Configurations for CP -- 3.7 Microstrip Coupling in Array Configurations for CP -- 3.8 Microstrip Coupling in Filtering DRA Configurations -- 3.9 Summary -- References -- 4 Circular Polarization Analysis in Dielectric Resonator Antenna Using Conformal Coupling Technique -- 4.1 Introduction to the Conformal Coupling Technique -- 4.2 Design Methodology of Conformal Coupling Technique CP-DRAs -- 4.2.1 Antenna Element Configuration -- 4.2.2 Operating Mechanism -- 4.2.3 E-field Distributions of the Cylindrical DRA -- 4.2.4 Key Parameter-Feeding Network -- 4.2.5 Simulated Near- and Far-Field Results Analysis -- 4.3 Conformal Coupling in a Conventional DRA -- 4.3.1 Single-Point Conformal-Fed Convention Single DRA -- 4.3.2 Single-Point Conformal-Fed along with Shorted/Open-Ended Stubs on a Single DRA -- 4.3.3 Dual-/Multiple-Point Conformal-Fed on a Single DRA -- 4.4 Conformal Coupling in a Modified DRA for CP Configuration -- 4.4.1 Single-Point Conformal-Fed with a Modified DRA -- 4.4.2 Dual-Point Conformal Fed with a Modified Single DRA -- 4.5 Conformal Coupling in Multiple DRAs for CP Configuration -- 4.5.1 Single-Point Conformal-Fed Multiple DRA -- 4.5.2 Dual-/Multiple-Point Conformal-Fed Multiple DRA -- 4.6 Conformal Strip Coupling in MIMO CP-DRA Configuration -- 4.7 Conformal Coupling Array and Filtering CP-DRA Configuration -- 4.7.1 Conformal Strip-Fed Circularly Polarized DRA Array -- 4.7.2 Conformal Strip-Fed Circularly Polarized DRA Filter -- 4.8 Summary -- References -- 5 Coplanar Waveguide-Fed Dielectric Resonator Antenna for Circular Polarization -- 5.1 Introduction to Coplanar Waveguide Feeding Technique -- 5.2 CP Generation Techniques in DRAs Using CPW Feeding -- 5.3 Design Example for a CPW-Fed Circularly Polarized DRA -- 5.3.1 Antenna Design Methodology and Discussion -- 5.4 Summary -- References.
6 Aperture-Fed Dielectric Resonator Antennas for Circular Polarization -- 6.1 Introduction to the Aperture Coupling Technique -- 6.2 CP Generation Using Rectangular Slot Coupling -- 6.2.1 Dual-Point Slot-Fed DRAs for Circular Polarization -- 6.2.2 Single-Point Slot-Fed Conventional DRAs for Circular Polarization -- 6.2.3 Single-Point-Fed Multielement Conventional DRAs for CP -- 6.2.4 Single-Point-Fed Nonconventional DRAs for Circular Polarization -- 6.3 CP Generation Using Cross Slot Coupling -- 6.4 CP Generation Using the Annular Slot Coupling Technique -- 6.5 Different Shapes of DRAs Coupled with Modified Slot -- 6.6 Design Example of a Cross-Slot DRA for CP Generation -- 6.7 Circular Polarization in Different Applications of DRAs -- 6.8 Comparison between Various Aperture-Fed Methods -- 6.9 Summary -- References -- 7 Coaxial Probe-Fed Dielectric Resonator Antennas for Circular Polarization -- 7.1 Introduction to the Coaxial Probe-Feeding Technique -- 7.2 CP Generation in Conventional DRAs -- 7.2.1 Dual-Feed Technique -- 7.2.2 Single-Feed Technique -- 7.2.3 Design Example for CP Generation in a Conventional DRA -- 7.3 CP Generation in Nonconventional DRAs -- 7.4 CP Generation in Multielement DRAs -- 7.5 Probe-Fed Circularly Polarized DRAs for Other Applications -- 7.6 Summary -- References -- 8 Sectorization Approach in Dielectric Resonator Antennas for Circular Polarization -- 8.1 Introduction to the Sectorization Technique -- 8.2 The Sectorization Technique in Cylindrical DRAs -- 8.2.1 Mode Nomenclature in Sectored CDRAs -- 8.2.2 Analysis of Circular Polarization in Sectored Cylindrical DRAs -- 8.3 The Sectorization Technique in Hemispherical DRAs -- 8.3.1 Past Research on Sectorization Techniques in Hemispherical DRAs -- 8.3.2 Analysis of Circular Polarization in Sectored HDRAs -- 8.4 A New CP Generation Approach in DRAs Using Sectorization.
8.4.1 Analysis of Circular Polarization in Modified Geometry -- 8.5 The Sectorization Technique in CP-MIMO Antennas -- 8.6 Summary -- References -- 9 The State of the Art in Circularly Polarized Dielectric Resonator Antennas -- 9.1 Circularly Polarized DRAs in Substrate Integrated Waveguide Technology -- 9.2 Techniques Using Circularly Polarized Liquid DRAs -- 9.3 Miscellaneous Research Areas in Circularly Polarized DRAs -- 9.4 Concluding Remarks -- References -- About the Authors -- Index.
Record Nr. UNINA-9910817398003321
Chaudhary Raghvendra Kumar  
Norwood : , : Artech House, , 2021
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Dielectric materials for wireless communication / / Mailadil T. Sebastian
Dielectric materials for wireless communication / / Mailadil T. Sebastian
Autore Sebastian M. T. <1952->
Pubbl/distr/stampa Amsterdam, : Elsevier, 2008
Descrizione fisica 1 online resource (689 p.)
Disciplina 621.381332
Soggetto topico Dielectric resonators
ISBN 1-281-70920-4
9786611709204
0-08-056050-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Dielectric Materials For Wireless Communication; Copyright Page; Table of Contents; Foreword; Acknowledgment; Chapter 1 Introduction; References; Chapter 2 Measurement of Microwave Dielectric Properties and Factors Affecting them; 2.1 Permittivity (εr); 2.2 Quality Factor (Q); 2.3 Measurement of Microwave Dielectric Properties; 2.3.1 Hakki and Coleman (Courtney) method; 2.3.2 TE01δ mode dielectric resonator method; 2.3.3 Measurement of quality factor by stripline excited by cavity method; 2.3.4 Whispering gallery mode resonators; 2.3.5 Split post dielectric resonator
2.3.6 Cavity perturbation method2.3.7 TM0n0 mode and re-entrant cavity method; 2.3.8 TE01n mode cavities; 2.4 Estimation of Dielectric Loss by Spectroscopic Methods; 2.5 Factors Affecting Dielectric Losses; 2.6 Correction for Porosity; 2.7 Calculation of Permittivity using Clausius Mossotti Equation; 2.8 Measurement of Temperature Coefficient of Resonant Frequency (τf); 2.9 Tuning the Resonant Frequency; References; Chapter 3 Microwave Dielectric Materials in the BaO-TiO2 System; 3.1 Introduction; 3.2 BaTi4O9; 3.2.1 Microwave dielectric properties; 3.3 BaTi5O11; 3.4 Ba2Ti9O20
3.4.1 Preparation3.4.2 Structure; 3.4.3 Properties; 3.5 BaTi4O9/Ba2Ti9O20 Composites; 3.6 Conclusion; References; Chapter 4 Zirconium Tin Titanate; 4.1 Introduction; 4.2 Preparation; 4.2.1 Solid state method; 4.2.2 Wet chemical methods; 4.3 Crystal Structure and Phase Transformation; 4.4 Microwave Dielectric Properties; 4.5 Conclusion; References; Chapter 5 Pseudo-Tungsten Bronze-Type Dielectric Materials; 5.1 Introduction; 5.2 Crystal Structure; 5.3 Preparation of Ba6-3xLn8+2xTi18O54; 5.4 Dielectric Properties; 5.4.1 Effect of dopants; 5.4.2 Substitution for Ba; 5.4.3 Substitution for Ti
Record Nr. UNINA-9911006596403321
Sebastian M. T. <1952->  
Amsterdam, : Elsevier, 2008
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Dielectric Resonator Antenna Handbook
Dielectric Resonator Antenna Handbook
Autore Petosa Aldo
Pubbl/distr/stampa Norwood : , : Artech House, , 2007
Descrizione fisica 1 online resource (322 p.)
Disciplina 621.382/4
Collana Artech House Antennas and Propagation Library
Soggetto topico Antennas (Electronics)
Dielectric resonators
Soggetto genere / forma Electronic books.
ISBN 1-59693-207-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Dielectric Resonator Antenna Handbook; Contents v; Preface ix; Acknowledgments xi; Chapter 1 Introduction to Dielectric Resonator Antennas 1; 1.1 BRIEF HISTORY OF DIELECTRIC RESONATOR ANTENNAS 1; 1.2 MAJOR CHARACTERISTICS 3; 1.3 -- OUTLINE OF THE DRA HANDBOOK 4; References 5; Chapter 2 Simple-Shaped Dielectric Resonator Antennas 7; 2.1 THE HEMISPHERICAL DRA 8; 2.2 THE CYLINDRICAL DRA 17; 2.3 THE RECTANGULAR DRA 29; References 46; Appendix 48; Chapter 3 Coupling to DRAs 49; 3.1 COUPLING COEFFICIENTS 49; 3.2 FIELDS WITHIN RECTANGULAR AND CYLINDRICAL DRAS 51; 3.3 APERTURE COUPLING 55.
3.4 PROBE COUPLING 673.5 MICROSTRIP LINE COUPLING 71; 3.6 COPLANAR COUPLING 77; 3.7 DIELECTRIC IMAGE GUIDE COUPLING 78; 3.8 SURVEY OF ANALYTICAL METHODS 79; References 82; Chapter 4 Survey of DRA Shapes 89; 4.1 DRAS DERIVED FROM HEMISPHERICAL SHAPES 89; 4.2 DRAS DERIVED FROM CYLINDRICAL SHAPES 90; 4.3 DRAS DERIVED FROM RECTANGULAR SHAPES 100; 4.4 DRAS WITH OTHER SHAPES 107; 4.5 HYBRID DRAS 111; References 114; Chapter 5 Bandwidth Enhancement of DRAs 119; 5.1 -- BANDWIDTH PERFORMANCE OF SIMPLE-SHAPED DRAS 119; 5.2 BANDWIDTH ENHANCEMENT FOR SIMPLE-SHAPED DRAs 123; 5.3 MULTIPLE DRAS 130.
5.4 HYBRID ANTENNAS 1355.5 MODIFIED DRAS 138; 5.6 -- SUMMARY 143; References 144; Chapter 6 Low-Profile and Compact DRAs 149; 6.1 FUNDAMENTAL LIMITATIONS OF ANTENNAS 149; 6.2 DRAS WITH HIGH DIELECTRIC CONSTANTS 155; 6.3 LOW-PROFILE DESIGNS 156; 6.4 COMPACT DESIGNS 157; 6.5 FINITE GROUND PLANE EFFECTS 164; References 167; Chapter 7 Circular-Polarized and Dual-Polarized DRAs 171; 7.1 REVIEW OF POLARIZATION 171; 7.2 DUAL-POINT FEED 174; 7.3 SINGLE-POINT FEED 179; 7.4 SEQUENTIAL ROTATION 191; 7.5 DUAL-POLARIZED DRAS 193; References 194; Chapter 8 Ferrite Resonator Antennas 197.
8.1 REVIEW OF THE PERMEABILITY TENSOR OF FERRITES 1978.2 FREQUENCY AGILITY 198; 8.3 POLARIZATION AGILITY 204; References 207; Chapter 9 DRA Arrays 209; 9.1 REVIEW OF ARRAY THEORY 209; 9.2 OVERVIEW OF FEED NETWORK DESIGN 213; 9.3 MUTUAL COUPLING 217; 9.4 -- LINEAR ARRAYS OF DRAS 219; 9.6 SUMMARY OF DRA ARRAYS 242; References 242; Chapter 10 Practical Considerations 247; 10.1 FREQUENCY LIMITATIONS 247; 10.2 DIELECTRIC MATERIAL 250; 10.3 FABRICATION 250; 10.4 DRA PATTERN MEASUREMENTS 255; 10.5 Measuring Radiation Efficiency of DRAs 266; References 269; Bibliography 271; List of Symbols 301.
Record Nr. UNINA-9910452961603321
Petosa Aldo  
Norwood : , : Artech House, , 2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Dielectric Resonator Antenna Handbook
Dielectric Resonator Antenna Handbook
Autore Petosa Aldo
Pubbl/distr/stampa Norwood : , : Artech House, , 2007
Descrizione fisica 1 online resource (322 p.)
Disciplina 621.382/4
Collana Artech House Antennas and Propagation Library
Soggetto topico Antennas (Electronics)
Dielectric resonators
ISBN 1-59693-207-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Dielectric Resonator Antenna Handbook; Contents v; Preface ix; Acknowledgments xi; Chapter 1 Introduction to Dielectric Resonator Antennas 1; 1.1 BRIEF HISTORY OF DIELECTRIC RESONATOR ANTENNAS 1; 1.2 MAJOR CHARACTERISTICS 3; 1.3 -- OUTLINE OF THE DRA HANDBOOK 4; References 5; Chapter 2 Simple-Shaped Dielectric Resonator Antennas 7; 2.1 THE HEMISPHERICAL DRA 8; 2.2 THE CYLINDRICAL DRA 17; 2.3 THE RECTANGULAR DRA 29; References 46; Appendix 48; Chapter 3 Coupling to DRAs 49; 3.1 COUPLING COEFFICIENTS 49; 3.2 FIELDS WITHIN RECTANGULAR AND CYLINDRICAL DRAS 51; 3.3 APERTURE COUPLING 55.
3.4 PROBE COUPLING 673.5 MICROSTRIP LINE COUPLING 71; 3.6 COPLANAR COUPLING 77; 3.7 DIELECTRIC IMAGE GUIDE COUPLING 78; 3.8 SURVEY OF ANALYTICAL METHODS 79; References 82; Chapter 4 Survey of DRA Shapes 89; 4.1 DRAS DERIVED FROM HEMISPHERICAL SHAPES 89; 4.2 DRAS DERIVED FROM CYLINDRICAL SHAPES 90; 4.3 DRAS DERIVED FROM RECTANGULAR SHAPES 100; 4.4 DRAS WITH OTHER SHAPES 107; 4.5 HYBRID DRAS 111; References 114; Chapter 5 Bandwidth Enhancement of DRAs 119; 5.1 -- BANDWIDTH PERFORMANCE OF SIMPLE-SHAPED DRAS 119; 5.2 BANDWIDTH ENHANCEMENT FOR SIMPLE-SHAPED DRAs 123; 5.3 MULTIPLE DRAS 130.
5.4 HYBRID ANTENNAS 1355.5 MODIFIED DRAS 138; 5.6 -- SUMMARY 143; References 144; Chapter 6 Low-Profile and Compact DRAs 149; 6.1 FUNDAMENTAL LIMITATIONS OF ANTENNAS 149; 6.2 DRAS WITH HIGH DIELECTRIC CONSTANTS 155; 6.3 LOW-PROFILE DESIGNS 156; 6.4 COMPACT DESIGNS 157; 6.5 FINITE GROUND PLANE EFFECTS 164; References 167; Chapter 7 Circular-Polarized and Dual-Polarized DRAs 171; 7.1 REVIEW OF POLARIZATION 171; 7.2 DUAL-POINT FEED 174; 7.3 SINGLE-POINT FEED 179; 7.4 SEQUENTIAL ROTATION 191; 7.5 DUAL-POLARIZED DRAS 193; References 194; Chapter 8 Ferrite Resonator Antennas 197.
8.1 REVIEW OF THE PERMEABILITY TENSOR OF FERRITES 1978.2 FREQUENCY AGILITY 198; 8.3 POLARIZATION AGILITY 204; References 207; Chapter 9 DRA Arrays 209; 9.1 REVIEW OF ARRAY THEORY 209; 9.2 OVERVIEW OF FEED NETWORK DESIGN 213; 9.3 MUTUAL COUPLING 217; 9.4 -- LINEAR ARRAYS OF DRAS 219; 9.6 SUMMARY OF DRA ARRAYS 242; References 242; Chapter 10 Practical Considerations 247; 10.1 FREQUENCY LIMITATIONS 247; 10.2 DIELECTRIC MATERIAL 250; 10.3 FABRICATION 250; 10.4 DRA PATTERN MEASUREMENTS 255; 10.5 Measuring Radiation Efficiency of DRAs 266; References 269; Bibliography 271; List of Symbols 301.
Record Nr. UNINA-9910782356003321
Petosa Aldo  
Norwood : , : Artech House, , 2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Dielectric resonator antenna handbook / / Aldo Petosa
Dielectric resonator antenna handbook / / Aldo Petosa
Autore Petosa Aldo
Edizione [1st ed.]
Pubbl/distr/stampa Boston, : Artech House, c2007
Descrizione fisica 1 online resource (322 p.)
Disciplina 621.382/4
Collana Artech House antennas and propagation library
Soggetto topico Antennas (Electronics)
Dielectric resonators
ISBN 9781596932074
1596932074
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Dielectric Resonator Antenna Handbook; Contents v; Preface ix; Acknowledgments xi; Chapter 1 Introduction to Dielectric Resonator Antennas 1; 1.1 BRIEF HISTORY OF DIELECTRIC RESONATOR ANTENNAS 1; 1.2 MAJOR CHARACTERISTICS 3; 1.3 -- OUTLINE OF THE DRA HANDBOOK 4; References 5; Chapter 2 Simple-Shaped Dielectric Resonator Antennas 7; 2.1 THE HEMISPHERICAL DRA 8; 2.2 THE CYLINDRICAL DRA 17; 2.3 THE RECTANGULAR DRA 29; References 46; Appendix 48; Chapter 3 Coupling to DRAs 49; 3.1 COUPLING COEFFICIENTS 49; 3.2 FIELDS WITHIN RECTANGULAR AND CYLINDRICAL DRAS 51; 3.3 APERTURE COUPLING 55.
3.4 PROBE COUPLING 673.5 MICROSTRIP LINE COUPLING 71; 3.6 COPLANAR COUPLING 77; 3.7 DIELECTRIC IMAGE GUIDE COUPLING 78; 3.8 SURVEY OF ANALYTICAL METHODS 79; References 82; Chapter 4 Survey of DRA Shapes 89; 4.1 DRAS DERIVED FROM HEMISPHERICAL SHAPES 89; 4.2 DRAS DERIVED FROM CYLINDRICAL SHAPES 90; 4.3 DRAS DERIVED FROM RECTANGULAR SHAPES 100; 4.4 DRAS WITH OTHER SHAPES 107; 4.5 HYBRID DRAS 111; References 114; Chapter 5 Bandwidth Enhancement of DRAs 119; 5.1 -- BANDWIDTH PERFORMANCE OF SIMPLE-SHAPED DRAS 119; 5.2 BANDWIDTH ENHANCEMENT FOR SIMPLE-SHAPED DRAs 123; 5.3 MULTIPLE DRAS 130.
5.4 HYBRID ANTENNAS 1355.5 MODIFIED DRAS 138; 5.6 -- SUMMARY 143; References 144; Chapter 6 Low-Profile and Compact DRAs 149; 6.1 FUNDAMENTAL LIMITATIONS OF ANTENNAS 149; 6.2 DRAS WITH HIGH DIELECTRIC CONSTANTS 155; 6.3 LOW-PROFILE DESIGNS 156; 6.4 COMPACT DESIGNS 157; 6.5 FINITE GROUND PLANE EFFECTS 164; References 167; Chapter 7 Circular-Polarized and Dual-Polarized DRAs 171; 7.1 REVIEW OF POLARIZATION 171; 7.2 DUAL-POINT FEED 174; 7.3 SINGLE-POINT FEED 179; 7.4 SEQUENTIAL ROTATION 191; 7.5 DUAL-POLARIZED DRAS 193; References 194; Chapter 8 Ferrite Resonator Antennas 197.
8.1 REVIEW OF THE PERMEABILITY TENSOR OF FERRITES 1978.2 FREQUENCY AGILITY 198; 8.3 POLARIZATION AGILITY 204; References 207; Chapter 9 DRA Arrays 209; 9.1 REVIEW OF ARRAY THEORY 209; 9.2 OVERVIEW OF FEED NETWORK DESIGN 213; 9.3 MUTUAL COUPLING 217; 9.4 -- LINEAR ARRAYS OF DRAS 219; 9.6 SUMMARY OF DRA ARRAYS 242; References 242; Chapter 10 Practical Considerations 247; 10.1 FREQUENCY LIMITATIONS 247; 10.2 DIELECTRIC MATERIAL 250; 10.3 FABRICATION 250; 10.4 DRA PATTERN MEASUREMENTS 255; 10.5 Measuring Radiation Efficiency of DRAs 266; References 269; Bibliography 271; List of Symbols 301.
Record Nr. UNINA-9911107675103321
Petosa Aldo  
Boston, : Artech House, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Dielectric resonator antenna handbook / / Aldo Petosa
Dielectric resonator antenna handbook / / Aldo Petosa
Autore Petosa Aldo
Edizione [1st ed.]
Pubbl/distr/stampa Boston, : Artech House, c2007
Descrizione fisica 1 online resource (322 p.)
Disciplina 621.382/4
Collana Artech House antennas and propagation library
Soggetto topico Antennas (Electronics)
Dielectric resonators
ISBN 9781596932074
1596932074
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Dielectric Resonator Antenna Handbook; Contents v; Preface ix; Acknowledgments xi; Chapter 1 Introduction to Dielectric Resonator Antennas 1; 1.1 BRIEF HISTORY OF DIELECTRIC RESONATOR ANTENNAS 1; 1.2 MAJOR CHARACTERISTICS 3; 1.3 -- OUTLINE OF THE DRA HANDBOOK 4; References 5; Chapter 2 Simple-Shaped Dielectric Resonator Antennas 7; 2.1 THE HEMISPHERICAL DRA 8; 2.2 THE CYLINDRICAL DRA 17; 2.3 THE RECTANGULAR DRA 29; References 46; Appendix 48; Chapter 3 Coupling to DRAs 49; 3.1 COUPLING COEFFICIENTS 49; 3.2 FIELDS WITHIN RECTANGULAR AND CYLINDRICAL DRAS 51; 3.3 APERTURE COUPLING 55.
3.4 PROBE COUPLING 673.5 MICROSTRIP LINE COUPLING 71; 3.6 COPLANAR COUPLING 77; 3.7 DIELECTRIC IMAGE GUIDE COUPLING 78; 3.8 SURVEY OF ANALYTICAL METHODS 79; References 82; Chapter 4 Survey of DRA Shapes 89; 4.1 DRAS DERIVED FROM HEMISPHERICAL SHAPES 89; 4.2 DRAS DERIVED FROM CYLINDRICAL SHAPES 90; 4.3 DRAS DERIVED FROM RECTANGULAR SHAPES 100; 4.4 DRAS WITH OTHER SHAPES 107; 4.5 HYBRID DRAS 111; References 114; Chapter 5 Bandwidth Enhancement of DRAs 119; 5.1 -- BANDWIDTH PERFORMANCE OF SIMPLE-SHAPED DRAS 119; 5.2 BANDWIDTH ENHANCEMENT FOR SIMPLE-SHAPED DRAs 123; 5.3 MULTIPLE DRAS 130.
5.4 HYBRID ANTENNAS 1355.5 MODIFIED DRAS 138; 5.6 -- SUMMARY 143; References 144; Chapter 6 Low-Profile and Compact DRAs 149; 6.1 FUNDAMENTAL LIMITATIONS OF ANTENNAS 149; 6.2 DRAS WITH HIGH DIELECTRIC CONSTANTS 155; 6.3 LOW-PROFILE DESIGNS 156; 6.4 COMPACT DESIGNS 157; 6.5 FINITE GROUND PLANE EFFECTS 164; References 167; Chapter 7 Circular-Polarized and Dual-Polarized DRAs 171; 7.1 REVIEW OF POLARIZATION 171; 7.2 DUAL-POINT FEED 174; 7.3 SINGLE-POINT FEED 179; 7.4 SEQUENTIAL ROTATION 191; 7.5 DUAL-POLARIZED DRAS 193; References 194; Chapter 8 Ferrite Resonator Antennas 197.
8.1 REVIEW OF THE PERMEABILITY TENSOR OF FERRITES 1978.2 FREQUENCY AGILITY 198; 8.3 POLARIZATION AGILITY 204; References 207; Chapter 9 DRA Arrays 209; 9.1 REVIEW OF ARRAY THEORY 209; 9.2 OVERVIEW OF FEED NETWORK DESIGN 213; 9.3 MUTUAL COUPLING 217; 9.4 -- LINEAR ARRAYS OF DRAS 219; 9.6 SUMMARY OF DRA ARRAYS 242; References 242; Chapter 10 Practical Considerations 247; 10.1 FREQUENCY LIMITATIONS 247; 10.2 DIELECTRIC MATERIAL 250; 10.3 FABRICATION 250; 10.4 DRA PATTERN MEASUREMENTS 255; 10.5 Measuring Radiation Efficiency of DRAs 266; References 269; Bibliography 271; List of Symbols 301.
Record Nr. UNINA-9911144275903321
Petosa Aldo  
Boston, : Artech House, c2007
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Dielectric Resonator Antennas : Materials, Designs and Applications
Dielectric Resonator Antennas : Materials, Designs and Applications
Autore Chen Zhijiao
Edizione [1st ed.]
Pubbl/distr/stampa Newark : , : John Wiley & Sons, Incorporated, , 2023
Descrizione fisica 1 online resource (316 pages)
Disciplina 621.382/4
Altri autori (Persone) DengJing-Ya
LiuHaiwen
Soggetto topico Dielectric resonators
Microwave antennas
ISBN 1-394-16917-5
1-394-16915-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910830285803321
Chen Zhijiao  
Newark : , : John Wiley & Sons, Incorporated, , 2023
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Dielectric Resonator Antennas : Materials, Designs and Applications
Dielectric Resonator Antennas : Materials, Designs and Applications
Autore Chen Zhijiao
Edizione [1st ed.]
Pubbl/distr/stampa Newark : , : John Wiley & Sons, Incorporated, , 2023
Descrizione fisica 1 online resource (316 pages)
Disciplina 621.382/4
Altri autori (Persone) DengJing-Ya
LiuHaiwen
Soggetto topico Dielectric resonators
Microwave antennas
ISBN 9781394169177
1394169175
9781394169153
1394169159
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9911019121903321
Chen Zhijiao  
Newark : , : John Wiley & Sons, Incorporated, , 2023
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Terahertz dielectric resonator antennas for high speed communication and sensing : from theory to design and implementation / / Rajveer S. Yaduvanshi
Terahertz dielectric resonator antennas for high speed communication and sensing : from theory to design and implementation / / Rajveer S. Yaduvanshi
Autore Yaduvanshi Rajveer S.
Edizione [1st ed.]
Pubbl/distr/stampa Stevenage : , : Institution of Engineering & Technology, , [2022]
Descrizione fisica 1 online resource (xiv, 399 pages) : ǂb illustrations
Disciplina 621.3
Collana Telecommunications
Soggetto topico Antennas (Electronics)
Telecommunication systems - Equipment and supplies
Dielectric resonators
Terahertz technology - Materials - Electric properties
Antenna radiation patterns
ISBN 1-83724-590-8
1-5231-4259-6
1-83953-356-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Contents -- About the author -- Preface -- 1. Dielectric resonator antennas (DRAs) and its synthesis -- 1.1 Introduction -- 1.2 CDRA (cylindrical DRA): design and modeling usingsilicon-radiating element -- 1.3 Terahertz or quantum devices characteristics -- 1.4 Terahertz MIMO DRA parameters -- 1.5 Main functions of terahertz DRA -- 1.6 THz DRA model design parameters -- 1.7 Rectangular nano-DRA design parameters -- 1.8 Conclusion -- References -- 2. Dielectric resonator antennas-a comprehensive review -- 2.1 Introduction -- 2.2 Propagation of light -- 2.3 Design of a terahertz dielectric resonator antenna -- 2.4 Fabrication and testing -- 2.5 Terahertz antenna far-field radiations: flowchart -- 2.6 Mathematical analysis of terahertz RDRA -- 2.7 Approximate analysis of a rectangular quantum antenna -- 2.8 Terahertz DRA simulation results -- 2.9 Conclusion -- References -- 3. Light-matter interaction in terahertz dielectric resonator antennas (DRA) -- 3.1 Introduction -- 3.2 Light-matter interaction theory in a quantum antenna -- 3.3 Theory of quantum entanglement -- 3.4 Conclusion -- Reference -- 4. Terahertz dielectric resonator antennas design and modeling -- 4.1 Introduction to terahertz DRA -- 4.2 Mathematical formulations used to describe working of quantum DRA -- 4.3 Cylindrical terahertz DRA -- 4.4 Conical terahertz DRA -- 4.5 Conclusion -- References -- 5. Surface plasmon polytrons (SPP) into terahertz DRA -- 5.1 Introduction -- 5.2 Working principle of TDRA -- 5.3 Terahertz CDRA design and simulations -- 5.4 Terahertz DRA main features -- 5.5 Mathematical formulations used in TDRA -- 5.6 Terahertz DRA applications -- 5.7 Conclusion -- References -- 6. Terahertz conical dielectric resonator antenna-design, simulation and implementations -- 6.1 Introduction -- 6.2 Design structure of conical THz DRAs.
6.3 Model-1 multiband conical TDRA -- 6.4 Mathematical modeling of terahertz conical DRA -- 6.5 Equivalent electrical circuit of conical terahertz DRA -- 6.6 Conclusion -- References -- 7. Cylindrical terahertz and optical DRA-design and analysis -- 7.1 Introduction -- 7.2 Model 2 TCDRA at 10-THz resonant frequency -- 7.3 Terahertz antennas detailed description -- 7.4 Theory of terahertz cylindrical DRA and mathematical formulations -- 7.5 Optical CDRA description -- 7.6 Conclusion -- References -- 8. Spherical terahertz and optical DRA-design and implementations -- 8.1 Introduction -- 8.2 Design of terahertz spherical DRA at 511 THz -- 8.3 Mathematical formulations of terahertz spherical DRA -- 8.4 Results and discussions -- 8.5 MIMO (multi-input-multi-output) spherical DRA -- 8.6 Conclusion -- References -- 9. Rectangular terahertz DRA-design, simulation and implementations -- 9.1 Introduction -- 9.2 Propagation of light -- 9.3 Design and simulation of terahertz dielectric resonator antenna -- 9.4 Synthesis of a terahertz rectangular DRA at optical frequency and its radiation theory -- 9.5 Mathematical analysis of resonant modes excited into a terahertz rectangular DRA -- 9.6 Terahertz optical RDRA at 484 THz -- 9.7 Conclusion -- References -- 10. Equivalent circuit analysis on terahertz and optical dielectric resonator antennas (DRAs) -- 10.1 Introduction -- 10.2 Quantum DRA-equivalent circuit mathematical analysis for mixed circuits -- 10.3 Higher order resonant modes -- 10.4 Bandwidth (BW) of terahertz DRA -- 10.5 Simulated results based on MATLAB -- 10.6 Design development and evaluation of NDRA -- 10.7 Synthesis of NDRA radiation theory -- 10.8 Drude's model -- 10.9 MATLAB program -- 10.10 Conclusion -- References -- 11. Optical DRA for retinal applications-next generation DRAs -- 11.1 Introduction.
11.2 Optical antenna arrays basic requirements -- 11.3 Optical antenna design -- 11.4 Entanglement -- 11.5 Modeling of optical antennas -- 11.6 Light-matter interaction -- 11.7 Theory of coupled resonant modes -- 11.8 Designs of terahertz DRAs simulation results for various shapes -- 11.9 Conclusion and applications -- References -- 12. Conclusion and futuristic vision -- 12.1 Introduction -- 12.2 Patient-centric healthcare system outline -- 12.3 Thumb DRA sensors integrated with patient-centric healthcare system -- 12.4 Thumb DRA design and implementations -- 12.5 Conclusion -- Appendix A: Case studies -- Appendix B: Terahertz absorbers -- Appendix C: Antenna measured values in anechoic chamber -- Appendix D: Dielectric materials and resources -- Appendix E: Dual-band graphene antenna design and implementation -- Appendix F: Miniaturization design techniques -- Appendix G: Gaussian beam feed process -- Appendix H: Silicon dielectric resonator antenna at 5-THz frequency -- Appendix I: DRA designing process -- Appendix J: DRA design case study -- Appendix K: Vector network analyzer process for calibration -- Glossary -- Index.
Record Nr. UNINA-9911006715103321
Yaduvanshi Rajveer S.  
Stevenage : , : Institution of Engineering & Technology, , [2022]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui