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Author : R.M. Jones,NA Max-Planck-Institut für Aeronomie
Publisher : Springer-Verlag
Page : 32 pages
File Size : 44,6 Mb
Release : 2013-11-22
Category : Technology & Engineering
ISBN : 9783662346792
Author : R. Michael Jones
Publisher : Unknown
Page : 128 pages
File Size : 48,7 Mb
Release : 1968
Category : Computer engineering
ISBN : 3662344084
Author : Richard Michael Jones
Publisher : Unknown
Page : 26 pages
File Size : 40,9 Mb
Release : 1968
Category : Electric waves
ISBN : 0387042725
Author : Richard Michael Jones
Publisher : Unknown
Page : 26 pages
File Size : 46,8 Mb
Release : 1968
Category : Electric waves
ISBN : 0387042725
Author : R. H. Ott
Publisher : Unknown
Page : 80 pages
File Size : 45,7 Mb
Release : 1968
Category : Geometrical diffraction
ISBN : PSU:000072011003
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 : Anonim
Publisher : Elsevier
Page : 523 pages
File Size : 54,6 Mb
Release : 1999-06-17
Category : Science
ISBN : 9780080879802
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 : United States. Superintendent of Documents
Publisher : Unknown
Page : 1464 pages
File Size : 48,9 Mb
Release : 1966
Category : Government publications
ISBN : WISC:89035089051
Author : James R. Wait
Publisher : Pergamon
Page : 366 pages
File Size : 44,5 Mb
Release : 1981
Category : Science
ISBN : UOM:39015065058797
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1504 pages
File Size : 40,9 Mb
Release : 1979
Category : United States
ISBN : STANFORD:36105019598296
Author : Anonim
Publisher : Unknown
Page : 180 pages
File Size : 44,9 Mb
Release : 1984
Category : Radio meteorology
ISBN : UIUC:30112106706846
Author : United States. National Bureau of Standards
Publisher : Unknown
Page : 934 pages
File Size : 51,6 Mb
Release : 1965
Category : Radio
ISBN : PSU:000069468063
Author : United States. National Bureau of Standards
Publisher : Unknown
Page : 1400 pages
File Size : 55,9 Mb
Release : 1964
Category : Ionospheric radio wave propagation
ISBN : IND:30000089780534
Author : J. Ralph Johler
Publisher : Unknown
Page : 48 pages
File Size : 51,8 Mb
Release : 1967
Category : D region
ISBN : PSU:000072017388
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1716 pages
File Size : 46,6 Mb
Release : 1968
Category : Government publications
ISBN : RUTGERS:39030030433116
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author : Anonim
Publisher : Unknown
Page : 1858 pages
File Size : 50,8 Mb
Release : 1985
Category : Monographic series
ISBN : UOM:39015021462703
Vols. for 1980- issued in three parts: Series, Authors, and Titles.