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Full Description
We are always surrounded by electromagnetic waves and fields of various spectra. This book explains basic electromagnetic theory with the help of design formulations i.e. mathematical background on antennas along with experimentations, which has made this book unique. The main purpose of this book is to embed mathematical EM theory of dielectric resonator antennas with experimental validation so that understanding of concepts takes place. Initially, basic understanding of philosophy of dielectric resonators has been discussed, then it is supported with mathematical modeling and later same is implemented with its prototype model along with experimentations. The modes theory gives important analysis on currents distribution, impedance analysis and radiation pattern in DRA. Circular polarization can built signal robustness, case studies on circular polarization has been included. Equivalent RLC circuit concept has been introduced. Challenges of switching from microwave to terahertz has been briefly discussed. Nano DRA will revolutionize the wireless technology. Nano DRA ,Terahertz DRA and Quantum DRA have analyzed and studied.
Contents
Fundamentals of an Antenna. Dielectric Resonator Antenna (DRA). Resonant Frequency Computations of DRA. Polarization in Dielectric Resonator Antenna. Sapphire Dielectric Resonator Antenna. Miniaturization and De-miniaturization of DRA. Hybrid modes excitation into DRA. Nano Dielectric Resonator Antenna (NDRA). MIMO DRA. Horn DRA Antenna. Anechoic Chamber with Absorbers. VEHICULAR SMART ANTENNA. DRA as RLC circuit with it resonant modes. Multi Mode and Multiband DRA for Vehicular Applications. Annexure 1 Case studies and Prototype DRAs. Annexure 2 Generation of resonant modes and Control. Annexure 3 Design of Horn DRA. Annexure 5 DRA modes, Band width and Beam width. Annexure 6 VNA one port/two port calibration procedure (40 GHz). Annexure 7 Nano Dielectric Resonator Antenna for Biomedical Applications. References.
