Computer Science – Sound
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13...45r&link_type=abstract
Advances in Space Research (ISSN 0273-1177), vol. 13, no. 3, p. 45-48.
Computer Science
Sound
Conformal Mapping, Electron Density Profiles, Ionospheric Electron Density, Plasma Frequencies, Interpolation, Ionosondes, Ionospheric Sounding
Scientific paper
A new multidimensional mapping technique determines the three-dimensional electron density distribution of the ionosphere over an area of several thousand kilometers from the time sequence of sounder data recorded at several locations within the area. Electron density profiles from five Digisonde stations in the Northeastern region of the North American continent are used to construct the electron distribution in a 30 deg longitude by 30 deg latitude region. Fourier transforms of the profile time histories over a period of 32 hours from each station determine the spectrum components. For each spectrum component a damped plane wave is fitted to the amplitudes and phases at the five stations.
Huang Xing
Reinisch Bodo. W.
Sales Gary S.
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