Computer Science – Sound
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ang....38..461k&link_type=abstract
Annales de Geophysique (ISSN 0003-4029), vol. 38, Oct.-Dec. 1982, p. 461-465.
Computer Science
Sound
Eiscat Radar System (Europe), Ionospheric Sounding, Plasma Diagnostics, Plasma Spectra, Space Plasmas, Autocorrelation, Electron Density Profiles, F Region
Scientific paper
Data from the initial trial with the European incoherent scatter system (Eiscat) for ionospheric studies using radar are reported. A 360 microsec 933.5 MHz pulse and a 60 microsec 934.5 MHz were transmitted, the first with a height resolution of 54 km and the second with a resolution of 9 km. The pulse power was 600 kW in both cases, about 1/16th of the expected with a fully operational system. The experimental goal was to detect the plasma lines excited by photoelectrons generated by the sun in the ionosphere at the time of day the trials were performed. An SNR of 1 percent was obtained, and is expected to be broadened to 10-20 percent in full operation. The plasma line spectra were obtained, together with the electron concentration. The data analysis was performed in an automated mode.
Bauer Paul
Folkestad K.
Hagfors Tor
Kofman Wlodek
Lejeune G.
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