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Differential Phase Shift of Partially Reflected Radio Waves
Author(s) -
Connolly D. J.
Publication year - 1971
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs006i008p00757
Subject(s) - differential phase , collision frequency , collision , differential (mechanical device) , phase (matter) , range (aeronautics) , absorption (acoustics) , radio wave , computational physics , physics , electron density , electron , optics , materials science , computer science , computer security , quantum mechanics , composite material , thermodynamics
The addition of phase difference measurements to differential absorption experiments is shown to be both feasible and desirable. The phase information can provide a more sensitive measurement of electron density above about 75 km. The differential phase shift is only weakly dependent on collision frequency in this range, and so an accurate collision frequency profile is not a prerequisite. The differential phase shift and differential absorption measurements taken together can provide both electron density and collision frequency data from about 70 to 90 km.