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[null,"1.","Record Nr.",null,"UNINA990004988260403321"]
[null,null,"Autore",null,"Métraux, Alfred <1902-1963>"]
[null,null,"Titolo",null,"Gli Inca / Alfred Métraux ; introduzione di Ruggiero Romano"]
[null,null,"Pubbl/distr/stampa",null,"Torino : Einaudi, c1969"]
[null,null,"Descrizione fisica",null,"XXIII, 164 p. ; 21 cm"]
[null,null,"Collana",null,"Einaudi paperbacks ; 6"]
[null,null,"Disciplina",null,"980.3"]
[null,null,"Locazione",null,"FLFBC"]
[null,null,"Collocazione",null,"980.3 MET 1"]
[null,null,"Lingua di pubblicazione",null,"Italiano"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,"2.","Record Nr.",null,"UNINA9910452961603321"]
[null,null,"Autore",null,"Petosa Aldo"]
[null,null,"Titolo",null,"Dielectric Resonator Antenna Handbook"]
[null,null,"Pubbl/distr/stampa",null,"Norwood : , : Artech House, , 2007"]
[{"$nulls":4},"[Piscataqay, New Jersey] : , : IEEE Xplore, , [2007]"]
[null,null,"ISBN",null,"1-59693-207-4"]
[null,null,"Descrizione fisica",null,"1 online resource (322 p.)"]
[null,null,"Collana",null,"Artech House Antennas and Propagation Library"]
[null,null,"Disciplina",null,"621.382/4"]
[null,null,"Soggetti",null,"Antennas (Electronics)"]
[{"$nulls":4},"Dielectric resonators"]
[{"$nulls":4},"Electronic books."]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Dielectric Resonator Antenna Handbook; Contents v; Preface ix; Acknowledgments xi; Chapter 1 Introduction to Dielectric Resonator Antennas 1; 1.1 BRIEF HISTORY OF DIELECTRIC RESONATOR ANTENNAS 1; 1.2 MAJOR CHARACTERISTICS 3; 1.3 -- OUTLINE OF THE DRA HANDBOOK 4; References 5; Chapter 2 Simple-Shaped Dielectric Resonator Antennas 7; 2.1 THE HEMISPHERICAL DRA 8; 2.2 THE CYLINDRICAL DRA 17; 2.3 THE RECTANGULAR DRA 29; References 46; Appendix 48; Chapter 3 Coupling to DRAs 49; 3.1 COUPLING COEFFICIENTS 49; 3.2 FIELDS WITHIN RECTANGULAR AND CYLINDRICAL DRAS 51; 3.3 APERTURE COUPLING 55."]
[{"$nulls":4},"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."]
[{"$nulls":4},"5.4 HYBRID ANTENNAS 1355.5 MODIFIED DRAS 138; 5.6 -- SUMMARY 143; References 144; Chapter 6 Low-Profile and Compact DRAs 149; 6.1 FUNDAMENTAL LIMITATIONS OF ANTENNAS 149; 6.2 DRAS WITH "]
[{"$nulls":4},"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."]
[{"$nulls":4},"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."]
[null,null,null,"Sommario/riassunto","Today, more and more antenna engineers are viewing the dielectric resonator antenna (DRA) as a preferable alternative to conventional low-gain designs because of several attractive features, including high radiation, light weight, small size and low profile. This practical resource presents complete, up-to-date details on DRAs in a single volume. The book provides professionals with clear guidance on the mode of operation and radiation behavior of DRAs, the main methods of excitation, and the major advances in DRA technology. This hands-on reference equips engineers with simple equations and g."]