Infrared Lattice Vibrations of Magnesium Stannide PDF Download

Author: A. Kahan
Publisher:
ISBN:
Category : Crystal lattices
Languages : en
Pages : 18

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Author: Sally J. Nauman
Publisher:
ISBN:
Category : Dielectric resonators
Languages : en
Pages : 162

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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).

Author: E. T. Peters
Publisher:
ISBN:
Category : Boron
Languages : en
Pages : 14

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Author: Paul A. Andrews
Publisher:
ISBN:
Category : Phenanthrene
Languages : en
Pages : 14

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Author: J. Silverman
Publisher:
ISBN:
Category : Crystals
Languages : en
Pages : 22

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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1794

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Author: Carl T. Case
Publisher:
ISBN:
Category : Dielectrics
Languages : en
Pages : 22

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A system of fixed-rotating vectors can be used to study the impedance loci of functions of the first Foster form and of systems including negative impedance converters. Of particular interest in the field of dielectrics and biological membrane studies is a parallel RC network, where the dielectric of the capacitor is given by the Debye dispersion relations. Such a network also falls into the category of the first Foster form.

Author: Philip Lieberman
Publisher:
ISBN:
Category : Intonation (Phonetics)
Languages : en
Pages : 26

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Author: Edward E. Altshuler
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ISBN:
Category : Astronautics
Languages : en
Pages : 46

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It is expected that with the exploration of outer space, a requirement for high data rate earth-to-space communication channels will arise. A program to investigate the feasibility of using the millimeter-wave region of the spectrum for this application is presented. The theory of atmospheric attenuation resulting from losses due to absorption, scattering and refraction processes is reviewed and used to estimate propagation losses produced by atmospheric gases, clouds and precipitation. Curves of total atmospheric attenuation and noise level as a function of meteorological parameters and antenna elevation angle are also presented. A series of experiments designed to obtain as much information as possible on the limitations imposed by the atmosphere on millimeter-wave propagation is considered. Although experiments using natural celestial bodies such as the sun, moon, planets and galaxies as radio sources are emphasized, those which would utilize aircraft, rockets and satellites are also mentioned. Finally, the characteristics of a recently installed precision 29-ft antenna designed to operate at 35 Gc (wavelength = 8.6 mm) with a traveling-wave maser as a preamplifier for the radiometer are outlined along with the specific experiments for which this antenna system will be used. (Author).

Author: Paul H. Carr
Publisher:
ISBN:
Category : Acoustics
Languages : en
Pages : 12

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