The Velocity of Radio Waves Over Short Paths PDF Download
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Author: Horace Atwood
Publisher:
ISBN:
Category : Radio waves
Languages : en
Pages : 48
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Book Description
Author: Horace Atwood
Publisher:
ISBN:
Category : Radio waves
Languages : en
Pages : 48
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Book Description
Author: K. D. Froome
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 176
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Book Description
"The man in the mirror is the story of how one of Australian sport's most respected coaches joined the Brisbane Broncos for their inaugural season in 1988 and stayed for 21 seasons."--Blurb.
Author: Nelson A. Logan
Publisher:
ISBN:
Category : Diffraction
Languages : en
Pages : 126
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Book Description
Author: Alexander V. Gurevich
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 368
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Book Description
The study of very long-distance and around-the-world propagation of HF radio waves becomes more urgent in connection with the problems of long distance ground-based radio communications, communications with space crafts and satellites, satellite-to-satellite communications, around-the-world radar scanning, around-the-world sounding of the ionosphere, etc. At pre sent, these investigations have acquired particular interest because transmit ters which make it possible to intentionally modify the ionospheric properties by powerful radio waves have become available. In the case of radio wave propagation over comparatively small distances (about 3000 - 5000 km, one - two hops), in a first approximation, the iono sphere can be considered homogeneous in the horizontal direction. The radio wave propagation theory in a horizontally-homogeneous, i. e. , spherically symmetric ionosphere was developed with sufficient completeness as early as in the 1920-1940's by Appleton, Ratcliffe, Beynon, Booker, Martyn, and others. This theory is presented in detail in the well-known monographs by Ginzburg (1967), Bremmer (1946), and Budden (1961). Based on this theory, detailed methods for the calculation of radio paths, determination of field amplitude, and interpretation of vertical and oblique ionograms have been developed. All these methods are well-known and widely used in practice, see monographs by Al'pert (1974), Shchukin (1940), and Davies (1969). An altogether different situation takes place in the case of very long-dis tance multihop and around-the-world propagation.
Author: Jerome Lurye
Publisher:
ISBN:
Category : Electric waves
Languages : en
Pages : 58
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Book Description
Author: Donald E. Kerr
Publisher: IET
ISBN: 9780863410994
Category : Science
Languages : en
Pages : 766
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Book Description
This book treats the phenomena associated with the propagation of short radio waves between terminal points, whether they be the radar antenna serving a dual purpose or the antennas of a communications system. The intention is to present a summary of the state of knowledge in the microwave propagation field at the close of the war. There has been no attempt to produce either a handbook or textbook, but only an interim report on a rapidly changing subject. An attempt has been made to survey all relevant information that was available, from whatever source, and to summarise as much of it as was feasible.
Author: Peder Oluf Pedersen
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 284
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Book Description
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 354
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Book Description
Author: Peter R. Bannister
Publisher:
ISBN:
Category : Earth currents
Languages : en
Pages : 560
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Book Description
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 474
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Book Description
