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E-grāmata: Rectangular Dielectric Resonator Antennas: Theory and Design

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  • Formāts: PDF+DRM
  • Izdošanas datums: 24-Sep-2015
  • Izdevniecība: Springer, India, Private Ltd
  • Valoda: eng
  • ISBN-13: 9788132225003
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Rectangular Dielectric Resonator Antennas: Theory and DesignPalielināt
  • Formāts: PDF+DRM
  • Izdošanas datums: 24-Sep-2015
  • Izdevniecība: Springer, India, Private Ltd
  • Valoda: eng
  • ISBN-13: 9788132225003
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This book covers resonating modes inside device and gives insights into antenna design, impedance and radiation patterns. It discusses how higher-order modes generation and control impact bandwidth and antenna gain. The text covers new approaches in antenna design by investigation hybrid modes, H_Z and E_Z fields available simultaneously, and analysis and modelling on modes with practical applications in antenna design. The book will be prove useful to students, researchers and professionals alike.

1 Rectangular DRA Fundamental Background
1(10)
1.1 Introduction
1(1)
1.2 History of DRA
2(1)
1.3 Working Mechanism of RDRA
2(2)
1.4 Antenna Radiation Parameters
4(1)
1.5 Advantage of RDRA
4(1)
1.6 Resonant Modes
4(2)
1.7 Characterization of Resonant Modes
6(2)
1.8 Magnetic Dipole Moment
8(1)
1.9 Spring Resonator of Length L
8(3)
References
9(2)
2 Rectangular DRA Resonant Modes and Sources
11(22)
2.1 Introduction
11(3)
2.2 Type of Modes (TE, TM, HEM)
14(1)
2.3 Solutions of Helmholtz Equation
15(2)
2.4 Rectangular Waveguide Analysis
17(3)
2.5 Two-Dimensional Resonator
20(1)
2.6 Basic Mathematical Representation of Resonant Modes
21(4)
2.7 Voltage Source Model
25(2)
2.8 Resonant Modes Generation
27(2)
2.9 MATLAB Simulated Results
29(4)
Reference
32(1)
3 Mathematical Analysis of Rectangular DRA
33(24)
3.1 Rectangular DRA with Homogeneous Medium
34(2)
3.2 Rectangular DRA Mathematical Modeling
36(21)
3.2.1 Model-1
36(5)
3.2.2 Model-2
41(4)
3.2.3 Model-3
45(5)
3.2.4 Model-4
50(2)
3.2.5 Basic Theory
52(5)
4 Mathematical Analysis of Transcendental Equation in Rectangular DRA
57(46)
4.1 Case-1: Top and Bottom Walls as PMC and Rest of the Four Walls are PEC
60(5)
4.2 Case-2
65(13)
4.3 MATLAB Simulation Results
78(9)
4.4 Resonant Frequency of RDRA for Experimentations
87(16)
5 Mathematical Analysis of RDRA Amplitude Coefficients
103(32)
5.1 Introduction
103(1)
5.2 Amplitude Coefficients Cmnp
104(2)
5.3 RDRA Maxwell's Equation-Based Solution
106(6)
5.4 RDRA Inhomogeneous Permittivity and Permeability
112(6)
5.5 RDRA with Probe Current Excitation
118(3)
5.6 RDRA Resonant Modes Coefficients in Homogeneous Medium
121(2)
5.7 RDRA Modes with Different Feed Position
123(2)
5.8 R, L, C Circuits and Resonant Modes
125(5)
5.9 Resonant Modes Based on R, L, C Circuits
130(5)
6 Mathematical Analysis of Radiation Pattern of RDRA
135(12)
6.1 Introduction
135(2)
6.2 Radiation Pattern of RDRA Due to Probe Current i(t) and Probe Length dl
137(3)
6.2.1 Radiation Pattern
139(1)
6.3 Poynting Vector
140(1)
6.4 Moat-Shaped RDRA Radiation Pattern
141(3)
6.5 Quality Factor of RDRA
144(3)
7 Rectangular DRA Higher-Order Modes and Experimentations
147(34)
7.1 Introduction to Higher Modes
148(8)
7.2 Resonant Frequency and RDRA Structure
156(9)
7.2.1 Fields in Rectangular DRA
158(7)
7.3 Modes (Resonant) Mathematical Solution
165(1)
7.4 Top-Loading RDRA
166(1)
7.5 Simulated HFSS Results
167(1)
7.6 Modes at Varying Heights of RDRA
168(1)
7.7 Distortions Due to Overlap of Dipole Moment
168(1)
7.8 Prototype and Anechoic Chamber Experimentations
168(1)
7.9 Adjacent Modes Combination for Broadband Applications
169(1)
7.10 Effect of Air Gap Between RDRA and Ground Plane
169(1)
7.11 Effect of Asymmetrical Wells Inside RDRA
170(1)
7.12 Effect of Moat Insertion Inside RDRA
170(1)
7.13 Effect of a/b and d/b Aspect Ratio
171(10)
Reference
179(2)
8 RDRA Angular Excitation Mathematical Model and Resonant Modes
181(18)
8.1 Introduction
181(4)
8.2 Angular Shift in Excitation
185(4)
8.3 Radiation Pattern Based on Angle (ø0, φ0) Variation in xy Plane
189(1)
8.4 Replacing Probe with Slot of Finite Dimensions (Ls, Ws) at an Angle (θ0, φ0)
190(2)
8.5 HFSS Computed Radiation Pattern with Shifted (θi, φi) Slot Positions
192(1)
8.6 Experimentations
193(6)
9 Sensitivity Analysis of Rectangular DRA
199(12)
9.1 MATLAB Simulation
206(1)
9.2 HFSS Simulations
207(3)
9.2.1 HFSS Result
208(2)
9.3 Radiation Pattern
210(1)
10 Hybrid Modes in RDRA
211(22)
10.1 Introduction
211(3)
10.2 Mathematical Model
214(4)
10.3 Modes in Homogeneous Medium with Source Terms
218(1)
10.4 Current Density in RDRA
219(1)
10.5 E and H Fields
220(1)
10.6 Mathematical Modeling of Hybrid Modes
221(4)
10.7 General Solution of Hybrid Modes (HEM)
225(5)
10.8 HFSS Results
230(2)
10.9 Prototype RDRA Results
232(1)
11 Inhomogeneous Permittivity, Permeability, and Conductivity Solution in Rectangular DRA
233(18)
11.1 Introduction
233(1)
11.2 Mathematical Model
234(16)
11.3 Applications: Hybrid Modes Generation Inside RDRA Can Be Used for Polarization Diversity
250(1)
11.3.1 RF Measurements for Antenna Parameters
250(1)
12 Case Studies
251(38)
12.1 Structure and Hardware Experimentations
251(5)
12.1.1 RDRA Antenna Results
251(5)
12.2 RDRA with Manganese--Manganese Material as Dielectric
256(13)
12.3 Dual-Feed RDRA with Measurements Results
269(10)
12.4 Isolated and Grounded RDRA
279(10)
12.4.1 S11 Plot
279(2)
12.4.2 Gain Plot
281(1)
12.4.3 Impedance (Z) Plot
281(1)
12.4.4 Design of RDRA with Ground Plane
282(1)
12.4.5 S11 Plot
282(1)
12.4.6 Gain Plot
282(1)
12.4.7 Impedance Plot
283(1)
12.4.8 Comparison of DRA With and Without Ground Plane
284(1)
12.4.9 Detailed Design of Aperture-Coupled DRA
285(1)
12.4.10 Return Loss
286(1)
12.4.11 Radiation Pattern
287(2)
Annexure-1 289(6)
Annexure-2 295(14)
Annexure-3 309(4)
Annexure-4 313(16)
Annexure-5 329(12)
Annexure-6 341(20)
Bibliography 361(4)
Index 365
Dr. Rajveer S. Yaduvanshi is working as associate professor in the department of ECE  at Ambedkar Institute of Advanced Communication Technologies and Research Delhi for the last seven years. Before that he was working as senior scientific officer in Ministry of Defence, Government of India. He has a total of 31 years of experience in teaching and research. He is author of a book on MHD Antenna, Design and Applications and has published several papers in reputed journals and conferences. He has supervised 151 B.Tech projects, 11 MTech projects, and is currently supervising 7 Phd students. He holds an M. Tech degree from NIT Allahabad and a Phd from NSIT, Delhi (Delhi University). His research interests include design of MHD embedded antennas and analysis of higher modes in DRA .

Dr. Harish Parthasarathy is working as professor in the department of ECE at , Netaji Subhas Institute of Technology. He is author of more than eleven books and has guided several Phd students. He holds his Phd and B. Tech degrees from IIT Delhi. His research involves antenna and signal processing with specialization in mathematical modeling.
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