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Experimental Study Of Coupled Linear Antennas In An Inhomogeneous Dissipative Medium

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Experimental Study Of Coupled Linear Antennas In An Inhomogeneous Dissipative Medium

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Author : Thomas Sugimoto
language : en
Publisher:
Release Date : 1970

Experimental Study Of Coupled Linear Antennas In An Inhomogeneous Dissipative Medium written by Thomas Sugimoto and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Antennas (Electronics) categories.

An experimental investigation of a pair of coupled linear antennas in an inhomogeneous dissipative medium was made. The medium was obtained by diffusing a water solution of NaCl into a large block of agar agar gel contained in a wooden tank. The relative dielectric constant was approximately 78 while the loss tangent could be varied from 0.13 to 3.0 at 114 MHz, the frequency used throughout the investigation. Driving point admittances and current distributions were measured with the medium inhomogeneity oriented parallel to the axes of the antennas. Self and mutual input admittances were measured as a function of the antenna length (beta h = 0.3 to 2 pi in steps of 0.1). Symmetric and antisymmetric current distributions were measured for four different antenna lengths (h/lambda = 0.25, 0.50, 0.75, and 1.0). Each measurement was repeated for three antenna separations (beta/lambda = 0.125, 0.25, and 0.50). Self and mutual driving-point admittances were measured as a function of base separation (b/lambda = 0.25 to 1.5 in steps of 0.125) for four antenna lengths (h/lambda = 0.25, 0.50, 0.75, and 1.0) with the medium inhomogeneity direction perpendicular to the antenna axes. Also studies were the effects of a medium discontinuity at the input, nonidentical elements, and input aperture size on the measured input admittance. (Author).

Bibliography With Abstracts Of Afcrl Publications From 1 January To 31 March 1971

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Author :
language : en
Publisher:
Release Date : 1971

Bibliography With Abstracts Of Afcrl Publications From 1 January To 31 March 1971 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Bibliography categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.

Research Studies On Electromagnetic Radiation And Antennas A Summarizing Review

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Author :
language : en
Publisher:
Release Date : 1972

Research Studies On Electromagnetic Radiation And Antennas A Summarizing Review written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.

Research studies on electromagnetic radiation and antennas are summarized for the period beginning November 1, 1967 and ending October 31, 1972. Brief reviews are given of work on antenna arrays, electrically thick antennas, modified dipole antennas, the end correction for monopole antennas, antennas in different media, and scattering from finite cylinders and imperfectly conducting spheres. (Author).

Progress Report

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Author : Harvard University. Division of Engineering and Applied Physics
language : en
Publisher:
Release Date : 1971

Progress Report written by Harvard University. Division of Engineering and Applied Physics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Physics categories.

Antennas In Inhomogeneous Media

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Author : Janis Galejs
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Antennas In Inhomogeneous Media written by Janis Galejs and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.

Antennas in Inhomogeneous Media details the methods of analyzing antennas in such inhomogeneous media. The title covers the complex geometrical configurations along with its variational formulations. The coverage of the text includes various conditions the antennas are subjected to, such as antennas in the interface between two media; antennas in compressible isotropic plasma; and linear antennas in a magnetoionic medium. The selection also covers insulated loops in lossy media; slot antennas with a stratified dielectric or isotropic plasma layers; and cavity-backed slot antennas. The book will be of great use to electrical, communications, and radio engineers.