Computer Science – Sound
Scientific paper
Jun 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009adspr..43.1595a&link_type=abstract
Advances in Space Research, Volume 43, Issue 11, p. 1595-1602.
Computer Science
Sound
Scientific paper
The paper describes a new technique that improves precision of the virtual height measurements by a coherent pulse sounding of the ionosphere. Proposed technique is based on the method of maximum likelihood that matches expected and observed spectral domain signatures of the signal intermixed with the noise. Computer simulations show that our technique allows measurements of the echo virtual height with ˜100 m precision even at a much coarser step of the height sampling in the sounder. In experiment, we expect an average 300 m precision of the virtual height measurements for single echoes received during periods of little spread due to ionospheric irregularities.
Akchurin A. D.
Bochkarev Vladimir V.
Ryabchenko Yu. E.
Sherstyukov O. N.
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