Application of the Geometrical Theory of Diffraction to Terrestrial LF Radio Wave Propagation PDF Download
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Author: Richard Michael Jones
Publisher:
ISBN: 9780387042725
Category : Electric waves
Languages : de
Pages : 26
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Book Description
Author: R.M. Jones
Publisher: Springer-Verlag
ISBN: 3662346796
Category : Technology & Engineering
Languages : de
Pages : 32
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Book Description
Author: Richard Michael Jones
Publisher:
ISBN: 9780387042725
Category : Electric waves
Languages : de
Pages : 26
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Book Description
Author: R. Michael Jones
Publisher:
ISBN: 9783662344088
Category : Computer engineering
Languages : de
Pages :
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Author: Richard Michael Jones
Publisher:
ISBN: 9780387042725
Category : Electric waves
Languages : en
Pages : 26
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Book Description
Author: R. H. Ott
Publisher:
ISBN:
Category : Geometrical diffraction
Languages : en
Pages : 80
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Book Description
In this report, a method is developed for the quantitative evaluation of the effects of large irregularities or obstacles on the propagation of a radio wave. The fundamental tool used is Keller's "geometrical theory of diffraction." In contrast to previous methods for treating this problem, the one proposed here is not limited by 1) the type of terrain, 2) the polarization of the transmitting antenna, 3) the radiation pattern of the antenna, and 4) the frequency of the antenna (provided ka>̲ 5.0, where a is the characteristic dimension of the diffracting obstacle). A numerical example showing the antenna pattern behind a hemispherical hill illustrates the application of the theory.
Author: R. H. Ott
Publisher:
ISBN:
Category : Geometrical diffraction
Languages : en
Pages : 80
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Book Description
Author:
Publisher: Elsevier
ISBN: 0080879802
Category : Science
Languages : en
Pages : 523
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Book Description
Volume XXXIX presents five review articles dealing with topics of current research interest in optics. The book opens with a chapter dealing with the analytic extension of the concept of geometrical optics rays into the complex domain. The extension is intimately related to inhomogeneous (evanescent) waves, which are currently of particular interest in connection with the rapidly developing area of near-field optics. The results are also relevant to investigations of wave attenuation in absorbing media, and to the understanding of light penetration into geometrical shadow regions, excitation of surface waves and propagation of Gaussian beams. In this article the principles are presented, with special emphasis on the physical significance of complex rays and their applications.
Author: James R. Wait
Publisher: Pergamon
ISBN:
Category : Science
Languages : en
Pages : 366
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Book Description
Author: Nelson A. Logan
Publisher:
ISBN:
Category : Diffraction
Languages : en
Pages : 126
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Book Description
Author: R. H. Ott
Publisher:
ISBN:
Category :
Languages : en
Pages : 43
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Book Description
