Measurement of the velocity of waves in the ionosphere: A comparison of the ray theory approach and diffraction theory

Brownlie G.D., Dryburgh L.G. and Whitehead J.D. (1973) Measurement of the velocity of waves in the ionosphere: A comparison of the ray theory approach and diffraction theory. Journal of Atmospheric and Terrestrial Physics, 35 12: . doi:10.1016/0021-9169(73)90133-5


Author Brownlie G.D.
Dryburgh L.G.
Whitehead J.D.
Title Measurement of the velocity of waves in the ionosphere: A comparison of the ray theory approach and diffraction theory
Journal name Journal of Atmospheric and Terrestrial Physics
ISSN 0021-9169
Publication date 1973-01-01
Sub-type Article (original research)
DOI 10.1016/0021-9169(73)90133-5
Volume 35
Issue 12
Total pages 1
Subject 1902 Film, Television and Digital Media
1908 Geophysics
Abstract By the use of simple ray theory, it is possible to derive the relationship between angle of arrival and rate of change of phase path for ionospheric echoes and the velocity of waves in the ionosphere even when several waves of various velocities are present. It is also possible to show that the velocity of the radio diffraction pattern over the ground is only a satisfactory measure of wave velocity in the situation when the ionosphere moves without change, i.e. all waves have the same velocity. Dispersion leads to significant changes, even including rapid and short-lived reversals in the velocity of the diffraction pattern.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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