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Measurement Of The Complex Dielectric Constant At High Temperatures And Microwave Frequencies
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Book Synopsis Measurement of the Complex Dielectric Constant at High Temperatures and Microwave Frequencies by : Joseph Albert Bruder
Download or read book Measurement of the Complex Dielectric Constant at High Temperatures and Microwave Frequencies written by Joseph Albert Bruder and published by . This book was released on 1967 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Free Space Measurements of High Temperature Complex Dielectric Properties at Microwave Frequencies by : R. D. Hollinger
Download or read book Free Space Measurements of High Temperature Complex Dielectric Properties at Microwave Frequencies written by R. D. Hollinger and published by . This book was released on 1992 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A free-space microwave setup has been used to measure the dielectric constant and loss tangent at temperatures up to 850 deg C in the frequency range 8 - 40 GHz for several ceramic materials. The setup and technique are described, and results are presented for both commercially available fired ceramics and a green alumina sample during and after initial binder burnout and firing.
Book Synopsis Measurement of the Complex Dielectric Constant of Solids and Liquids at Microwave Frequencies by : Alvin Robert Ashman
Download or read book Measurement of the Complex Dielectric Constant of Solids and Liquids at Microwave Frequencies written by Alvin Robert Ashman and published by . This book was released on 1969 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Dielectric and Thermal Properties of Materials at Microwave Frequencies by : Vyacheslav V. Komarov
Download or read book Handbook of Dielectric and Thermal Properties of Materials at Microwave Frequencies written by Vyacheslav V. Komarov and published by Artech House. This book was released on 2012 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The application of microwave energy for thermal processing of different materials and substances is a rapidly growing trend in modern science and engineering. In fact, optimal design work involving microwaves is impossible without solid knowledge of the properties of these materials. Heres a practical reference that collects essential data on the dielectric and thermal properties of microwaveable materials, saving you countless hours on projects in a wide range of areas, including microwave design and heating, applied electrodynamics, food science, and medical technology. This unique book provides hard-to-find information on complex dielectric permittivity of media at industrial, scientific, and medical frequencies (430 MHz, 915MHz, 2.45GHz, 5.8 GHz, and 24.125GHz). Written by a leading expert in the field, this authoritative book does an exceptional job at presenting critical data on various materials and explaining what their key characteristics are concerning microwaves.
Book Synopsis Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement by : Jonathan Breeze
Download or read book Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement written by Jonathan Breeze and published by Springer. This book was released on 2016-09-08 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates the dielectric properties of metal-oxide ceramics at microwave frequencies. It also demonstrates for the first time that a theory of harmonic phonon coupling can effectively predict the complex permittivity of metal oxides as a function of temperature and frequency. Dielectric ceramics are an important class of materials for radio-frequency, microwave and emergent terahertz technologies. Their key property is complex permittivity, the real part of which permits the miniaturisation of devices and the imaginary part of which is responsible for the absorption of electromagnetic energy. Absorption limits the practical performance of many microwave devices such as filters, oscillators, passive circuits and antennas. Complex permittivity as a function of temperature for low-loss dielectrics is determined by measuring the resonant frequency of dielectric resonators and using the radial mode matching technique to extract the dielectric properties. There have been only a handful of publications on the theory of dielectric loss, and their predictions have often been unfortunately unsatisfactory when compared to measurements of real crystals, sometimes differing by whole orders of magnitude. The main reason for this is the lack of accurate data for a harmonic coupling coefficient and phonon eigenfrequencies at arbitrary q vectors in the Brillouin zone. Here, a quantum field theory of losses in dielectrics is applied, using results from density functional perturbation theory, to predict from first principles the complex permittivity of metal oxides as functions of frequency and temperature.
Book Synopsis The Temperature Dependence of the Complex Permittivity of Dielectric Materials by :
Download or read book The Temperature Dependence of the Complex Permittivity of Dielectric Materials written by and published by . This book was released on 1981 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of the Dielectric Properties of Wet Snow Using a Microwave Technique by : Bruce D. Sweeny
Download or read book Measurements of the Dielectric Properties of Wet Snow Using a Microwave Technique written by Bruce D. Sweeny and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: An accurate method of measuring liquid water in snow covers is required to determine the properties of wet snow. The dielectric properties of wet snow must be utilized to adequately measure its liquid water content. In this study the effect of liquid water on the complex dielectric constant of natural snow is determined in the microwave frequency range. Deloor's method for calculating the dielectric constant for mixtures and the results of waveguide experiments on samples of wet snow and glass beads are used to construct a calibration curve relating the measured dielectric loss factor directly to the water content of wet snow. The results are independent of porosity, past history and chemical impurities. A relation between the effective dielectric constant and the porosity and water content is proposed and tested experimentally. The general nature of this relation is described and suggestions are made for the development of a more precise relation. It is concluded that the dielectric constant is a function of porosity and water content only.
Book Synopsis Measurement of the Complex Dielectric Constant of Wool at Microwave Frequencies by : T. C. Jones
Download or read book Measurement of the Complex Dielectric Constant of Wool at Microwave Frequencies written by T. C. Jones and published by . This book was released on 1971 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 1572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Complex Permittivity of Composite Multilayer Material at Microwave Frequency Using Waveguide Measurements by :
Download or read book Estimation of Complex Permittivity of Composite Multilayer Material at Microwave Frequency Using Waveguide Measurements written by and published by DIANE Publishing. This book was released on 2003 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microwave Electronics by : L. F. Chen
Download or read book Microwave Electronics written by L. F. Chen and published by John Wiley & Sons. This book was released on 2004-11-19 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of high speed, high frequency circuits and systems requires an understanding of the properties of materials functioning at the microwave level. This comprehensive reference sets out to address this requirement by providing guidance on the development of suitable measurement methodologies tailored for a variety of materials and application systems. Bringing together coverage of a broad range of techniques in one publication for the first time, this book: Provides a comprehensive introduction to microwave theory and microwave measurement techniques. Examines every aspect of microwave material properties, circuit design and applications. Presents materials property characterisation methods along with a discussion of the underlying theory. Outlines the importance of microwave absorbers in the reduction in noise levels in microwave circuits and their importance within defence industry applications. Relates each measurement technique to its application across the fields of microwave engineering, high-speed electronics, remote sensing and the physical sciences. This book will appeal to practising engineers and technicians working in the areas of RF, microwaves, communications, solid-state devices and radar. Senior students, researchers in microwave engineering and microelectronics and material scientists will also find this book a very useful reference.
Book Synopsis The Temperature Dependance of the Complex Permittivity of Dielectric Materials, Measured at Microwave Frequency by : M. A. T. Daoud
Download or read book The Temperature Dependance of the Complex Permittivity of Dielectric Materials, Measured at Microwave Frequency written by M. A. T. Daoud and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dielectric Materials and Applications by : Arthur Robert Von Hippel
Download or read book Dielectric Materials and Applications written by Arthur Robert Von Hippel and published by MIT Press (MA). This book was released on 1954 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Dielectric Constant of Triglycine Sulfate at Microwave Frequencies by : Raymond Lloyd Anderson
Download or read book Measurement of the Dielectric Constant of Triglycine Sulfate at Microwave Frequencies written by Raymond Lloyd Anderson and published by . This book was released on 1970 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Described is the construction and operation of a microwave system used to measure very high dielectric constants over wide frequency and temperature ranges. Measurements of the dielectric constant of the ferroelectric triglycine sulfate are reported over a frequency range of 4.0 to 12.0 GHz. The results agree fairly well with those reported by other investigators. Sources of errors and possible improvements in this experiment are discussed. (Author).
Download or read book EPA-600/9 written by and published by . This book was released on 1981-03 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reports of Planetary Geology and Geophysics Program--1987 by : Planetary Geology and Geophysics Program (U.S.)
Download or read book Reports of Planetary Geology and Geophysics Program--1987 written by Planetary Geology and Geophysics Program (U.S.) and published by . This book was released on 1988 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1988 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
