Dielectric Resonators
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Dielectric Resonators
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Author : Darko Kajfez
language : en
Publisher: Noble Publishing
Release Date : 1998-01-01
Dielectric Resonators written by Darko Kajfez and has been published by Noble Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-01-01 with Technology & Engineering categories.
This is the definite reference text on dielectric resonators used in filters and oscillators. This second edition includes corrections and updates, a new chapter on how to use the program included on a new disk. Sections are devoted to properties of materials, coupling techniques and filter and oscillator design using dielectric resonators. Programs implement the models presented in the book and identify the frequencies of all the modes. Author's Comments After the first publication of Dielectric Resonators by Artech House ran out of print, the book was reprinted by Vector Forum, and that version is also out of print now. As the book has become a popular reference for microwave and RF engineers, it is hoped that the present second edition will be just as useful. No matter what the major use of dielectric resonators will be in the future, the prerequisite for an intelligent application is an understanding of the basic principles of these devices. This book aims to provide that understanding. Publisher's Comments With renewed interest in dielectric resonator technology for modern wireless communications equipment, this book is an excellent reference for its understanding and application. The accompanying programs provided on disk implement the models presented in the book and identify the frequencies of all resonance modes
Microwave Dielectric Resonators
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Author : Sally J. Nauman
language : en
Publisher:
Release Date : 1965
Microwave Dielectric Resonators written by Sally J. Nauman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Dielectric resonators categories.
The resonant frequencies for the fundamental modes in circular cylindrical and rectangular parallelopiped high dielectric resonators have been calculated by computer for a range of values of physical dimensions and relative dielectric constant. The frequency range extends from zero to 50,000 Mc/sec, the relative dielectric constant from 50 to 1800, and physical dimensions from zero to 500 mils. Results are presented in tabular and graphical form with frequency plotted versus resonator length for parametric values of relative dielectric constant and cross sectional dimensions. A brief review of earlier work with high dielectric resonators is included. Expressions for the resonant frequency and fundamental mode field configurations are given. (Author).
Lattices Of Dielectric Resonators
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Author : Alexander Trubin
language : en
Publisher: Springer
Release Date : 2015-10-30
Lattices Of Dielectric Resonators written by Alexander Trubin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-30 with Technology & Engineering categories.
This book provides the analytical theory of complex systems composed of a large number of high-Q dielectric resonators. Spherical and cylindrical dielectric resonators with inferior and also whispering gallery oscillations allocated in various lattices are considered. A new approach to S-matrix parameter calculations based on perturbation theory of Maxwell equations, developed for a number of high-Q dielectric bodies, is introduced. All physical relationships are obtained in analytical form and are suitable for further computations. Essential attention is given to a new unified formalism of the description of scattering processes. The general scattering task for coupled eigen oscillations of the whole system of dielectric resonators is described. The equations for the expansion coefficients are explained in an applicable way. The temporal Green functions for the dielectric resonator are presented. The scattering process of short pulses in dielectric filter structures, dielectric antennas and lattices of dielectric resonators is discussed.
Microwave Dielectric Resonator Tuning
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Author : Uve H. W. Lammers
language : en
Publisher:
Release Date : 1974
Microwave Dielectric Resonator Tuning written by Uve H. W. Lammers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Dielectric resonators categories.
Dielectric resonators have applications as low-loss compact filters in the microwave region. Tuning characteristics of dielectric resonators that might allow for temperature compensation and frequency variability were investigated both theoretically and experimentally at L band. A secondary dielectric resonator that is offset in frequency from the tuned resonator provides a maximum tuning range of approximately 10 percent before an additional filter loss of 3 dB is incurred; the rate of tuning is slow since it is done by changing the resonator coupling (spacing). For fast tuning, a varactor is used in a coupled resonant circuit. Frequency changes can then be made in a time interval approaching 1/(filter bandwidth), but in this case the maximum tuning range before an additional filter loss of 3 dB is incurred is reduced to 2 percent of the filter frequency.
Frequency Stability In Dielectric Resonators
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Author : M. R. Stiglitz
language : en
Publisher:
Release Date : 1965
Frequency Stability In Dielectric Resonators written by M. R. Stiglitz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Dielectric resonators categories.
Dielectric Resonators
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Author : Darko Kajfez
language : en
Publisher:
Release Date : 1998
Dielectric Resonators written by Darko Kajfez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Dielectric resonators categories.
Nano Dielectric Resonator Antennas For 5g Applications
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Author : Rajveer S. Yaduvanshi
language : en
Publisher: CRC Press
Release Date : 2020-05-26
Nano Dielectric Resonator Antennas For 5g Applications written by Rajveer S. Yaduvanshi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-26 with Technology & Engineering categories.
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.
An Investigation Of Microwave Dielectric Resonators
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Author : Hung-Yuet Yee
language : en
Publisher:
Release Date : 1963
An Investigation Of Microwave Dielectric Resonators written by Hung-Yuet Yee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Dielectric wave guides categories.
Dielectric Resonator Antennas
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Author : Biswajeet Mukherjee
language : en
Publisher: Artech House
Release Date : 2021-11-30
Dielectric Resonator Antennas written by Biswajeet Mukherjee and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-30 with Technology & Engineering categories.
This book focuses on the understanding of the Cylindrical Dielectric Resonator Antennas (CDRA). The book introduces the fundamentals of DRA, CDRA, identifying the modes in a CDRA, excitation techniques and recent advancements pertaining to the research of the CDRAs. The latest trends in the field are discussed, including wide bandwidth of operation, high gain, modal stability, mode and impedance matching techniques, Circularly Polarized CDRAs, beam forming and MIMO applications for modern wireless systems. The experimental validation, testing, fabrication methods and machining to achieve cylindrical and its reformed shapes are also presented.
Dielectric Resonator Antennas
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Author : Kwai Man Luk
language : en
Publisher: Research Studies Press Limited
Release Date : 2003
Dielectric Resonator Antennas written by Kwai Man Luk and has been published by Research Studies Press Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Antennas categories.
The use of dielectric resonator as a resonant antenna was proposed in 1983. Due to the absence of metallic loss, the dielectric resonator antenna (DRA) is highly efficient when operated at millimetre wave frequencies. With the use of high dielectric constant material, the DRA can also be used as a small and low profile antenna operated at low microwave frequencies. Low cost dielectric materials are now easily available commercially, encouraging more antenna engineers to design communication systems with DRAs.
