Physics
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jatp...45..345w&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 45, May 1983, p. 345-351.
Physics
3
Diffraction Patterns, Doppler Radar, Ionospheric Drift, Radio Echoes, D Region, Drift Rate, E Region, Electromagnetic Scattering, F Region
Scientific paper
Movements of the ionosphere may be measured using radio reflections either by observing the movement of the diffraction, or interference, pattern along the ground; or by using the Doppler shifts of the echo as a radar beam is scanned across the sky. The two methods may use the same experimental arrangement and even the same data. The error in the drift velocity measured for scattered echoes is inversely proportional to the square of the array size for both methods. More detail of the random motion may be observed with the Doppler method. When the radio reflections are from an undulating surface in the ionosphere which changes its form as it moves, the Doppler method combined with further analysis is required to measure the movement and change of the undulating surface.
From W. R.
Jones Kenneth L.
Monro P. E.
Whitehead Dion J.
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