LEADER 04779nam 2200637 450 001 9910452961603321 005 20200520144314.0 010 $a1-59693-207-4 035 $a(CKB)1000000000549558 035 $a(EBL)338752 035 $a(SSID)ssj0000278698 035 $a(PQKBManifestationID)11212620 035 $a(PQKBTitleCode)TC0000278698 035 $a(PQKBWorkID)10246621 035 $a(PQKB)10561745 035 $a(MiAaPQ)EBC3002018 035 $a(Au-PeEL)EBL3002018 035 $a(CaPaEBR)ebr10240787 035 $a(OCoLC)929146626 035 $a(CaBNVSL)mat09101088 035 $a(IEEE)9101088 035 $a(EXLCZ)991000000000549558 100 $a20200730d2007 uy 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aDielectric Resonator Antenna Handbook 210 1$aNorwood :$cArtech House,$d2007. 210 2$a[Piscataqay, New Jersey] :$cIEEE Xplore,$d[2007] 215 $a1 online resource (322 p.) 225 1 $aArtech House Antennas and Propagation Library 300 $aDescription based upon print version of record. 311 $a1-59693-206-6 320 $aIncludes bibliographical references and index. 327 $aDielectric 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. 327 $a3.4 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. 327 $a5.4 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. 327 $a8.1 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. 330 $aToday, more and more antenna engineers are viewing the dielectric resonator antenna (DRA) as a preferable alternative to conventional low-gain designs because of several attractive features, including high radiation, light weight, small size and low profile. This practical resource presents complete, up-to-date details on DRAs in a single volume. The book provides professionals with clear guidance on the mode of operation and radiation behavior of DRAs, the main methods of excitation, and the major advances in DRA technology. This hands-on reference equips engineers with simple equations and g. 410 0$aArtech House antennas and propagation library. 606 $aAntennas (Electronics) 606 $aDielectric resonators 608 $aElectronic books. 615 0$aAntennas (Electronics) 615 0$aDielectric resonators. 676 $a621.382/4 700 $aPetosa$b Aldo$0933050 801 0$bCaBNVSL 801 1$bCaBNVSL 801 2$bCaBNVSL 906 $aBOOK 912 $a9910452961603321 996 $aDielectric Resonator Antenna Handbook$92100094 997 $aUNINA LEADER 01657oam 2200433Ka 450 001 9910696763803321 005 20080710112609.0 035 $a(CKB)5470000002381232 035 $a(OCoLC)180879159 035 $a(EXLCZ)995470000002381232 100 $a20071107d2005 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 13$aAn evaluation and comparison of test methods to measure the oxidation stability of neat biodiesel$b[electronic resource] $eSeptember 2003 - May 2005 /$fS.R. 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