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[null,"1.","Record Nr.",null,"UNINA9910139592603321"]
[null,null,"Autore",null,"Hansen Robert C."]
[null,null,"Titolo",null,"Small antenna handbook / / R.C. Hansen, R.E. Collin"]
[null,null,"Pubbl/distr/stampa",null,"Hoboken, New Jersey : , : John Wiley & Sons, , c2011"]
[{"$nulls":4},"[Piscataqay, New Jersey] : , : IEEE Xplore, , [2011]"]
[null,null,"ISBN",null,"1-283-25791-2"]
[{"$nulls":4},"9786613257918"]
[{"$nulls":4},"1-118-10685-7"]
[{"$nulls":4},"1-118-10686-5"]
[{"$nulls":4},"1-118-10683-0"]
[null,null,"Edizione",null,"[1st edition]"]
[null,null,"Descrizione fisica",null,"1 online resource (362 pages)"]
[null,null,"Classificazione",null,"TEC008000"]
[null,null,"Disciplina",null,"621.382/4"]
[{"$nulls":4},"621.3824"]
[null,null,"Soggetti",null,"Antennas (Electronics)"]
[{"$nulls":4},"Miniature electronic equipment"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and indexes."]
[null,null,"Nota di contenuto",null,"PREFACE xiii -- 1. QUALITY FACTORS OF ESA 1 -- 1.1 Introduction / 1 -- 1.2 Chu Antenna Q / 4 -- 1.3 Collin and Rothschild Q Analysis / 8 -- 1.4 Thal Antenna Q / 14 -- 1.5 Radian Sphere with Mu and/or Epsilon: TE Modes / 16 -- 1.6 Radian Sphere with Mu and/or Epsilon: TM Modes / 22 -- 1.7 Effects of Core Losses / 28 -- 1.8 Q for Spheroidal Enclosures / 34 -- References / 36 -- 2. BANDWIDTH AND MATCHING 39 -- 2.1 Introduction / 39 -- 2.2 Foster's Reactance Theorem and Smith Chart / 39 -- 2.3 Fano's Matching Limitations / 41 -- 2.4 Matching Circuit Loss Magnification / 46 -- 2.5 Network and Z0 Matching / 48 -- 2.6 Non-Foster Matching Circuits / 50 -- 2.7 Matched and High-Z Preamp Monopoles / 51 -- 2.7.1 A Short Monopole Matched at One Frequency / 52 -- 2.7.2 Short Monopole with High-Impedance Amplifier / 54 -- References / 55 -- 3. ELECTRICALLY SMALL ANTENNAS: CANONICAL TYPES 59 -- 3.1 Introduction / 59 -- 3.2 Dipole Basic Characteristics / 59 -- 3.2.1 Dipole Impedance and Bandwidth / 59 -- 3.2.2 Resistive and Reactive Loading / 67 -- 3.2.3 Other Loading Configurations / 76 -- 3.2.4 Short Flat Resonant Dipoles / 78 -- 3.2.5 Spherical Helix Antennas / 82 -- 3.2.6 Multiple Resonance Antennas / 84 -- 3.2.6.1 Spherical Dipole; "]
[{"$nulls":4},"Arc Antennas / 84 -- 3.2.6.2 Multiple Mode Antennas / 86 -- 3.2.6.3 Q Comparisons / 87 -- 3.2.7 Evaluation of Moment Method Codes for Electrically Small Antennas / 88 -- 3.3 Partial Sleeve, PIFA, and Patch / 93 -- 3.3.1 Partial Sleeve / 93 -- 3.3.2 PIFA Designs / 94 -- 3.3.3 Patch with Permeable Substrate / 98 -- 3.4 Loops / 101 -- 3.4.1 Air Core Loops, Single and Multiple Turns / 101 -- 3.4.2 Permeable Core Loops / 107 -- 3.4.3 Receiving Loops / 114 -- 3.4.4 Vector Sensor / 116 -- 3.5 Dielectric Resonator Antennas / 120 -- References / 127 -- 4. CLEVER PHYSICS, BUT BAD NUMBERS 135 -- 4.1 Contrawound Toroidal Helix Antenna / 135 -- 4.2 Transmission Line Antennas / 138 -- 4.3 Halo, Hula Hoop, and DDRR Antennas / 138 -- 4.4 Dielectric-Loaded Antennas / 140."]
[{"$nulls":4},"4.5 Meanderline Antennas / 141 -- 4.6 Cage Monopole / 142 -- References / 143 -- 5. PATHOLOGICAL ANTENNAS 147 -- 5.1 Crossed-Field Antenna / 147 -- 5.2 Infinite Efficiency Antenna / 149 -- 5.3 E-H Antenna / 150 -- 5.4 TE-TM Antenna / 150 -- 5.5 Crossed Dipoles / 151 -- 5.6 Snyder Dipole / 152 -- 5.7 Loop-Coupled Loop / 155 -- 5.8 Multiarm Dipole / 158 -- 5.9 Complementary Pair Antenna / 158 -- 5.10 Integrated Antenna / 159 -- 5.11 Q 1/4 0 Antenna / 160 -- 5.12 Antenna in a NIM Shell / 161 -- 5.13 Fractal Antennas / 162 -- 5.14 Antenna on a Chip / 170 -- 5.15 Random Segment Antennas / 171 -- 5.16 Multiple Multipoles / 171 -- 5.17 Switched Loop Antennas / 173 -- 5.18 Electrically Small Focal Spots / 174 -- 5.19 ESA Summary / 174 -- References / 175 -- 6. SUPERDIRECTIVE ANTENNAS 181 -- 6.1 History and Motivation / 181 -- 6.2 Maximum Directivity / 182 -- 6.2.1 Apertures / 182 -- 6.2.2 Arrays / 183 -- 6.2.2.1 Broadside Arrays of Fixed Spacing / 183 -- 6.2.2.2 Endfire Arrays / 186 -- 6.2.2.3 Minimization Codes / 192 -- 6.2.2.4 Resonant Endfire Arrays / 192 -- 6.3 Constrained Superdirectivity / 194 -- 6.3.1 Dolph-Chebyshev Superdirectivity / 194 -- 6.3.2 Superdirective Ratio Constraint / 198 -- 6.3.3 Bandwidth or Q Constraint / 200 -- 6.3.4 Phase or Position Adjustment / 200 -- 6.3.5 Tolerance Constraint / 201 -- 6.4 Bandwidth, Efficiency, and Tolerances / 201 -- 6.4.1 Bandwidth / 201 -- 6.4.2 Efficiency / 205 -- 6.4.3 Tolerances / 208 -- 6.5 Miscellaneous Superdirectivity / 209 -- 6.6 Superdirective Antenna Summary / 210 -- References / 210 -- 7. SUPERCONDUCTING ANTENNAS 215 -- 7.1 Introduction / 215 -- 7.2 Superconductivity Concepts for Antenna Engineers / 215 -- 7.3 Dipole, Loop, and Patch Antennas / 221 -- 7.3.1 Loop and Dipole Antennas / 222 -- 7.3.2 Microstrip Antennas / 223 -- 7.3.3 Array Antennas / 225 -- 7.3.4 Millimeter-Wave Antennas / 229 -- 7.3.4.1 Waveguide Flat Plane Array / 229 -- 7.3.4.2 Microstrip Planar Array / 230 -- 7.3.5 Submillimeter Antennas / 232."]
[{"$nulls":4},"7.3.6 Low-Temperature Superconducting Antennas / 232 -- 7.4 Phasers and Delay Lines / 233 -- 7.5 Superconducting Antenna Summary / 236 -- References / 236 -- APPENDIX A A WORLD HISTORY OF ELECTRICALLY SMALL ANTENNAS 243 -- APPENDIX B DEFINITIONS OF TERMS USEFUL TO ESA 277 -- APPENDIX C SPHERICAL SHELL OF ENG METAMATERIAL SURROUNDING A DIPOLE ANTENNA 279 -- APPENDIX D FREQUENCY DISPERSION LIMITS RESOLUTION IN VESELAGO LENS 307 -- AUTHOR INDEX 335 -- SUBJECT INDEX 343."]
[null,null,null,"Sommario/riassunto","\"This book addresses the recent significant theoretical and practical developments in the electrically small antenna area. It explains work on electromagnetically coupled structures, improving bandwidth using spherical helix dipoles, the exact derivation of the Q for electrically small antennas for both TE and TM modes, a new simplified Q formula developed by the authors, and provideds an expanded discussion of metamaterials and computer model accuracy for ESA\"--"]